US Patent No: 7,247,238

Number of patents in Portfolio can not be more than 2000

Poly(ethylene chlorotrifluoroethylene) membranes

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Abstract

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Porous polymeric membranes including Halar (poly (ethylene chlorotrifluoroethylene)) and related compounds and the methods of production thereof which avoid the use of toxic solvents. Preferred solvents, coating agents and pore forming agents are citric acid ethyl ester or glycerol triacetate. The membranes may be in the form of a hollow fiber or flat sheet, and may include other agents to modify the properties of the membrane, such as the hydrophilic/hydrophobic balance. Leachable agents may also be incorporated into the membranes.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EVOQUA WATER TECHNOLOGIES LLCALPHARETTA, GA308

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muller, Heinz-Joachim Thornleigh, AU 22 676
Mullette, Daniel Toongabbie, AU 10 213

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Kabushiki Kaisha Ito Tekkousho (1)
4,647,377 Filter apparatus 93 1984
 
Other [Check patent profile for assignment information] (9)
4,642,182 Multiple-disc type filter with extensible support 80 1985
4,999,038 Filter unit 109 1989
H1045 Air bubble leak detection test device 51 1990
5,364,527 Apparatus and process for treating water 60 1992
D396046 Steer device for an outboard motor 51 1996
6,048,454 Oil filter pack and assembly 82 1997
5,942,113 Solid-liquid separating filter medium for sewage, waste water, etc 62 1997
D400890 Automotive manifold 57 1997
2004/0145,076 Scouring method 48 2004
 
COULTER ELECTRONICS, LTD. (1)
4,718,270 Porosimeter and methods of assessing porosity 74 1985
 
ZAO STC "VALDIPOR" (1)
5,988,400 Pourous fluorocarbon membrane, method for producing thereof and cartridge filter based on said membrane 61 1997
 
Filterwerk Mann & Hummel GmbH (1)
4,688,511 Dirt accumulation indicator for air intake filters 91 1985
 
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (1)
5,151,193 Polymer membranes on the basis of polyvinylidene fluoride, a process for the production thereof and their use 69 1990
 
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE (1)
4,670,145 Multiple bundle fluid separation apparatus 83 1986
 
STUDIECENTRUM VOOR KERNENERGIE, SCK (1)
* 4,253,936 Method of preparing a membrane consisting of polyantimonic acid powder and an organic binder 58 1980
 
Memtec Limited (5)
4,816,160 Cooling hollow fibre cross-flow separators 65 1986
4,793,932 Variable volume filter or concentrator 77 1986
4,935,143 Cleaning of filters 73 1988
4,921,610 Cleaning of hollow fibre filters 97 1988
5,918,264 Fiber monitoring system 62 1995
 
FORSCHUNGSZENTRUM KARLSRUHE GMBH (1)
4,797,211 Cross flow microfilter 113 1986
 
Memtec Japan Limited (1)
5,353,630 Apparatus for testing membrane filter integrity 80 1993
 
CUMMINS FILTRATION INC. (1)
2004/0094,459 LIQUID FILTER WITH SEPARATE AND CALIBRATED VAPOR RELEASE 2 2003
 
YAMAHA HATSUDOKI KABUSHIKI KAISHA (1)
4,763,612 Intake system for internal combustion engine 68 1987
 
SECURTIY STATE BANK OF PINE ISLAND (1)
5,361,625 Method and device for the measurement of barrier properties of films against gases 74 1993
 
Donaldson Company, Inc. (1)
4,779,448 Photoelectric bubble detector apparatus and method 68 1986
 
KABUSHIKI KAISHA TOSHIBA (1)
4,756,875 Apparatus for filtering water containing radioactive substances in nuclear power plants 76 1986
 
MITSUBISHI RAYON CO., LTD. (2)
5,480,553 Hollow fiber membrane module 109 1993
6,280,626 Membrane separator assembly and method of cleaning the assembly utilizing gas diffuser underneath the assembly 85 1999
 
SNECMA (1)
5,477,731 Method and apparatus for detecting a fouled fluid filter 75 1994
 
Eco-Tec Limited (1)
4,673,507 Fluid treatment process and apparatus 75 1985
 
CMS TECHNOLOGIES HOLDINGS, INC. (1)
6,221,247 Dioxole coated membrane module for ultrafiltration or microfiltration of aqueous suspensions 64 1999
 
AKZO N.V. (2)
4,744,240 Method for determining the bubble point or the largest pore of membranes or of filter materials 79 1987
5,066,401 Flat or capillary membrane based on a homogeneous mixture of polyvinylidene fluoride and a second polymer which can be rendered hydrophilic by chemical reaction 86 1990
 
NALCO COMPANY (1)
5,419,816 Electrolytic process and apparatus for the controlled oxidation of inorganic and organic species in aqueous solutions 84 1993
 
ABC Group (1)
D396726 Combined air intake manifold and filter 53 1997
 
OTV SA (1)
5,607,593 Installation for making water potable with submerged filtering membranes 129 1994
 
E. I. DU PONT DE NEMOURS AND COMPANY (3)
5,137,631 Multiple bundle permeator 80 1991
5,320,760 Method of determining filter pluggage by measuring pressures 64 1992
5,470,469 Hollow fiber cartridge 114 1994
 
ORGANO CORPORATION (1)
5,525,220 Filtration equipment 51 1994
 
LYONNAISE DES EAUX-DUMEZ (1)
5,066,402 Method of changing operating modes in automatic water filtering apparatus using tubular membranes 111 1990
 
ZENON ENVIRONMENTAL INC. (11)
5,227,063 Tubular membrane module 65 1990
5,104,535 Frameless array of hollow fiber membranes and module containing a stack of arrays 77 1990
5,182,019 Cartridge of hybrid frameless arrays of hollow fiber membranes and module containing an assembly of cartridges 80 1992
5,248,424 Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate 162 1992
5,403,479 In situ cleaning system for fouled membranes 106 1993
5,958,243 Apparatus and method for membrane filtration with enhanced net flux 76 1997
5,914,039 Filtration membrane with calcined .alpha.-alumina particles therein 92 1997
5,944,997 System for maintaining a clean skein of hollow fibers while filtering suspended solids 128 1998
6,045,698 Method for cleaning a filtration installation of the type with immersed membranes 82 1998
6,024,872 Method of making a dope comprising hydrophilized PVDF and .alpha.-alumina, and a membrane made therefrom 84 1999
6,645,374 Membrane module for gas transfer and membrane supported biofilm process 73 2003
 
ZENON TECHNOLOGY PARTNERSHIP (15)
5,639,373 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate 161 1995
5,783,083 Vertical cylindrical skein of hollow fiber membranes and method of maintaining clean fiber surfaces 148 1996
5,910,250 Baffle for conversion of fine bubbles to coarse while filtering with a vertical skein of hollow fibers 113 1997
6,042,677 Potted header for hollow fiber membranes and method for making it 95 1999
RE37549 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate 84 1999
6,354,444 Hollow fiber membrane and braided tubular support therefor 101 1999
6,214,231 System for operation of multiple membrane filtration assemblies 82 1999
6,193,890 System for maintaining a clean skein of hollow fibers while filtering suspended solids 109 1999
6,375,848 Water filtration using immersed membranes 76 1999
6,245,239 Cyclic aeration system for submerged membrane modules 100 2000
6,325,928 Immersed membrane element and module 85 2000
6,294,039 Potted header for hollow fiber membranes 80 2000
6,893,568 Immersed membrane filtration system and overflow process 57 2000
6,550,747 Cyclic aeration system for submerged membrane modules 72 2001
6,620,319 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes 77 2001
 
WATER PURE INC. (1)
4,784,771 Method and apparatus for purifying fluids 88 1987
 
Dragerwerk Aktiengesellschaft (1)
4,840,227 Process for producing a hollow fiber mass transfer module and module produced by this process 56 1988
 
KURARAY CO., LTD. (1)
4,547,289 Filtration apparatus using hollow fiber membrane 90 1984
 
Electric Power Research Institute, Inc. (1)
5,005,430 Automated membrane filter sampler 68 1990
 
ASAHI KASEI KABUSHIKI KAISHA (2)
6,299,773 Porous polyvinylidene fluoride resin film and process for producing the same 60 1999
6,322,703 Method for purifying aqueous suspension 52 2000
 
PBI DANSENSOR A/S (1)
5,138,870 Apparatus for measuring water vapor permeability through sheet materials 70 1991
 
KUBOTA CORPORATION (3)
5,192,456 Apparatus for treating activated sludge and method of cleaning it 119 1992
5,451,317 Solid-liquid separator 71 1994
5,647,988 Method of back-washing submerged-type ceramic membrane separation apparatus 86 1994
 
SUMITOMO HEAVY INDUSTRIES, LTD. (1)
6,284,135 Membrane filter apparatus with gas discharge cleaning means 77 1998
 
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA (3)
* 4,623,670 Porous fluorine resin membrane and process for preparing the same 68 1985
* 4,702,836 Porous fluorine resin membrane and process for preparing the same 70 1986
6,495,041 Method for purifying aqueous suspension 52 2001
 
Ionics, Incorporated (1)
5,066,375 Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack 125 1990
 
HENKEL CHILE S.A. (1)
* 6,727,305 Filler-containing polymer dispersion, method for its production and its use 53 2001
 
U.S. FILTER/IONPURE, INC. (1)
4,687,561 Process and apparatus for treatment of fluids, particularly demineralization of aqueous solutions 118 1985
 
CHEMFAB CORPORATION (1)
* 5,075,065 Method for manufacturing of cast films at high productivity 62 1989
 
MILLIPORE CORPORATION (3)
5,079,272 Porous membrane formed from interpenetrating polymer network having hydrophilic surface 85 1989
5,211,823 Process for purifying resins utilizing bipolar interface 100 1991
5,158,721 Porous membrane formed from interpenetrating polymer network having hydrophilic surface 75 1991
 
Advanced Cardiovascular Systems, Inc. (1)
6,994,867 Biocompatible carrier containing L-arginine 61 2002
 
MICRON SEPARATIONS, INC. (1)
5,411,663 Alcohol-insoluble nylon microporous membranes 53 1993
 
JGC CORPORATION (1)
4,540,490 Apparatus for filtration of a suspension 91 1983
 
MILLIPORE INVESTMENT HOLDINGS LIMITED (1)
4,632,745 Electrodeionization apparatus 170 1985
 
SPECIALTY MATERIALS INC. (2)
4,384,474 Method and apparatus for testing and using membrane filters in an on site of use housing 82 1981
4,888,115 Cross-flow filtration 74 1983
 
X-FLOW B.V. (1)
5,076,925 Process for preparing a microporous membrane and such a membrane 88 1990
 
Mobil Oil Corporation (2)
5,069,065 Method for measuring wettability of porous rock 82 1991
5,297,420 Apparatus and method for measuring relative permeability and capillary pressure of porous rock 94 1993
 
PALL CORPORATION (11)
4,340,479 Process for preparing hydrophilic polyamide membrane filter media and product 231 1980
4,431,545 Microporous filter system and process 103 1982
4,609,465 Filter cartridge with a connector seal 144 1984
4,702,840 Charge modified polyamide membrane 91 1986
5,417,101 Method and apparatus for testing the integrity of filter elements 95 1992
6,045,899 Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters 130 1996
6,083,393 Hydrophilic membrane 83 1997
6,039,872 Hydrophilic membrane 89 1998
* 6,770,202 Porous membrane 66 2002
6,811,696 Hydrophobic membrane materials for filter venting applications 49 2002
6,884,375 Hydrophobic membrane materials for filter venting applications 62 2004
 
TEIJIN LIMITED (1)
4,388,189 Process for preparation of improved semipermeable composite membranes 88 1980
 
MEMBRANA GMBH (2)
* 4,708,799 Hollow fiber membrane for plasma separation 69 1985
4,968,733 Process for producing microporous powders and membranes 119 1989
 
MOCON, INC. (1)
4,660,411 Apparatus for measuring transmission of volatile substances through films 71 1985
 
PTI Technologies, Inc. (1)
4,812,235 Filter element assembly replaceable mesh pack 76 1983
 
CHAPIN MANUFACTURING, INC. (1)
6,440,303 Fluid filter 69 2001
 
CORNING INCORPORATED (1)
5,275,766 Method for making semi-permeable polymer membranes 57 1992
 
THE DOW CHEMICAL COMPANY (6)
4,656,865 System for analyzing permeation of a gas or vapor through a film or membrane 84 1985
4,797,187 Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups 75 1987
4,904,426 Process for the production of fibers from poly(etheretherketone)-type polymers 58 1988
4,963,304 Process for preparing microporous membranes 66 1988
5,015,275 Isotropic microporous syndiotactic polystyrene membranes and processes for preparing the same 56 1989
5,221,478 Chromatographic separation using ion-exchange resins 62 1992
 
Toyo Boseki Kabushiki Kaisha (1)
4,451,369 Fluid separation apparatus 117 1981
 
FUJIFILM MANUFACTURING EUROPE B.V. (1)
6,890,645 Photocatalytic sheet or film and its manufacturing process 51 2001
 
OSMONICS, INC. (1)
4,846,970 Cross-flow filtration membrane test unit 91 1987
 
EVOQUA WATER TECHNOLOGIES LLC (11)
6,159,373 Cleaning of hollow fibre membranes 61 1997
6,077,435 Filtration monitoring and control system 98 1998
6,156,200 Gas-scrubbed hollow fiber membrane module 109 1998
6,254,773 Microporous membrane filtration assembly 74 1999
6,555,005 Scouring method 84 1999
6,202,475 Predicting logarithmic reduction values 61 1999
D478913 Manifold header 52 2000
D462699 Manifold header cap 59 2000
6,524,481 Apparatus and method for cleaning membrane filtration modules 78 2001
6,641,733 Apparatus and method for cleaning membrane filtration modules 64 2002
6,884,350 Modified membranes 52 2003
 
THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA (1)
5,531,900 Modification of polyvinylidene fluoride membrane and method of filtering 83 1994
 
D.W. WALKER & ASSOCIATES (1)
5,198,116 Method and apparatus for measuring the fouling potential of membrane system feeds 69 1992
 
MEMCOR, INC., A CORP. OF DE (1)
4,614,109 Method and device for testing the permeability of membrane filters 88 1985
 
DELAWARE PMC-SIERRA, INC. (1)
5,479,590 Anti-aliasing method for polynomial curves using integer arithmetics 66 1994
 
MEDIVATORS INC. (3)
5,543,002 Method of manufacture of hollow fiber filter cartridge with porous ring 66 1994
5,554,283 Hollow fiber filter having a porous collar/ring seal 85 1995
5,531,848 Method of manufacturing of hollow fiber cartridge with porous ring 75 1995
 
Rhone-Poulenc Recherches (1)
4,810,384 Hydrophilic PVDF semipermeable membrane 84 1987
 
ASAHI GLASS COMPANY, LIMITED (1)
4,385,150 Organic solution of fluorinated copolymer having carboxylic acid groups 65 1981
 
PALL FILTRATION AND SEPARATIONS GROUP INC. (1)
6,146,747 Highly porous polyvinylidene difluoride membranes 86 1998
 
UNITED STATES FILTER CORPORATION (1)
4,636,296 Process and apparatus for treatment of fluids, particularly desalinization of aqueous solutions 114 1985
 
SIEMENS WATER TECHNOLOGIES CORP. (4)
5,094,750 Hollow fibre filter cartridge and header 61 1989
5,194,149 Filter cartridge manifold 68 1991
5,405,528 Modular microporous filter assemblies 88 1992
2004/0217,053 Method of cleaning membrane modules 51 2004
 
3M INNOVATIVE PROPERTIES COMPANY (4)
6,096,213 Puncture-resistant polyolefin membranes 79 1998
6,277,512 Polymer electrolyte membranes from mixed dispersions 104 1999
6,423,784 Acid functional fluoropolymer membranes and method of manufacture 69 1999
6,790,912 Extrudable fluoropolymer blends 55 2001
 
LOCTITE CORPORATION (1)
5,135,663 Method of treating (meth)acrylic monomer-containing wastewater 53 1991
 
CELGARD, LLC (1)
* 5,043,113 Process for formation of halogenated polymeric microporous membranes having improved strength properties 50 1990
 
KOCH MEMBRANE SYSTEMS, INC. (2)
6,074,718 Self supporting hollow fiber membrane and method of construction 58 1996
6,890,435 Hollow fiber microfiltration membranes and a method of making these membranes 70 2002
 
SIEMENS WATER TECHNOLOGIES HOLDING CORP. (1)
5,104,546 Pyrogens separations by ceramic ultrafiltration 83 1990
 
SCIMAT LIMITED (1)
* 5,198,162 Microporous films 62 1989
 
NEPHROS, INC. (2)
6,315,895 Dual-stage hemodiafiltration cartridge 63 1999
6,635,179 Sterile fluid filtration cartridge and method for using same 59 1999
 
EBARA CORPORATION (2)
4,775,471 Hollow fiber filter device 72 1986
4,876,006 Hollow fiber filter device 123 1988
 
DRM, DR. MULLER AG (1)
4,511,471 Filter apparatus for continuously thickening suspensions 65 1983
 
KINETICO INCORPORATED (1)
4,650,586 Fluid treatment system 74 1985
 
UNITED PET GROUP, INC. (1)
5,401,401 Hang on tank canister filter 81 1993
 
Exxon Research and Engineering Company (1)
* 5,396,019 Fluorinated polyolefin membranes for aromatics/saturates separation 63 1993
 
EASTMAN KODAK COMPANY (1)
6,721,529 Release agent donor member having fluorocarbon thermoplastic random copolymer overcoat 74 2001
 
Clack Corporation (1)
5,389,260 Brine seal for tubular filter 90 1993
 
PALL SEITZSCHENK FILTERSYSTEMS GMBH (1)
6,974,554 Potting method 49 2003
 
SIEMENS INDUSTRY, INC. (1)
5,643,455 Concentration of solids in a suspension using hollow fibre membranes 114 1995
 
Japan Organo Co., Ltd. (3)
4,886,601 Column filter using bundles of long fibers 69 1989
5,209,852 Process for scrubbing porous hollow fiber membranes in hollow fiber membrane module 109 1991
5,151,191 Filtration process using hollow fiber membrane module 90 1991
 
BASF AKTIENGESELLSCHAFT (1)
6,264,839 Phosphonomethylated polyvinylamines and preparation and use thereof 56 1993
 
USF FILTRATION AND SEPARATIONS GROUP INC. (2)
4,629,563 Asymmetric membranes 278 1981
5,906,742 Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure 97 1997
 
U.S. FILTER WASTEWATER GROUP, INC. (8)
4,931,186 Concentration of solids in a suspension 73 1986
4,767,539 Cleaning of hollow fiber filters utilized in lumenal gas flow 80 1987
4,876,012 Hollow fibre filter cartridge and header 65 1988
5,024,762 Concentration of solids in a suspension 70 1990
2002/0148,767 Membrane filtration manifold system 58 2001
2003/0178,365 Scouring method 57 2003
2003/0226,797 Fibre membrane arrangement 55 2003
2004/0084,369 Scouring method 48 2003
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 2007/0007,197 System and method for synthesizing a polymeric membrane 6 2006
 
GENERAL ELECTRIC COMPANY (4)
8,529,814 Supported hollow fiber membrane 5 2010
9,022,229 Composite membrane with compatible support filaments 0 2012
8,999,454 Device and process for producing a reinforced hollow fibre membrane 1 2012
9,227,362 Braid welding 0 2012
 
BL TECHNOLOGIES, INC. (4)
9,132,390 Non-braided reinforced holow fibre membrane 0 2010
9,061,250 Non-braided, textile-reinforced hollow fiber membrane 0 2010
9,221,020 Method to make yarn-reinforced hollow fiber membranes around a soluble core 0 2011
9,321,014 Hollow fiber membrane with compatible reinforcements 0 2011
 
SIEMENS WATER TECHNOLOGIES CORP. (1)
* 2007/0138,090 Method and apparatus for treating wastewater 33 2006
 
SIEMENS WATER TECHNOLOGIES LLC (1)
8,758,622 Simple gas scouring method and apparatus 2 2005
 
EVOQUA WATER TECHNOLOGIES LLC (42)
7,938,966 Backwash method 28 2003
8,372,282 Mixing chamber 1 2003
8,268,176 Backwash 0 2004
8,808,540 Module cleaning method 0 2004
8,758,621 Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis 1 2005
7,387,723 Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials 39 2005
8,524,794 Hydrophilic membranes 0 2005
7,931,463 Apparatus for potting membranes 27 2005
7,862,719 Square membrane manifold system 33 2005
8,790,515 Reduction of backwash liquid waste 1 2005
8,506,806 Methods and apparatus for removing solids from a membrane module 2 2005
8,377,305 Continuously variable aeration 0 2005
8,496,828 Cleaning in membrane filtration systems 0 2005
8,048,306 Scouring method 2 2005
7,455,765 Wastewater treatment system and method 32 2006
7,591,950 Submerged cross-flow filtration 34 2006
8,858,796 Assembly for water filtration using a tube manifold to minimise backwash 0 2006
7,563,363 System for treating wastewater 34 2006
* 7,632,439 Poly(ethylene chlorotrifluoroethylene) membranes 35 2007
8,293,098 Infiltration/inflow control for membrane bioreactor 0 2007
8,182,687 Methods of minimising the effect of integrity loss in hollow fibre membrane modules 0 2008
8,318,028 Infiltration/inflow control for membrane bioreactor 0 2008
7,722,769 Method for treating wastewater 33 2008
8,622,222 Membrane cleaning with pulsed airlift pump 1 2008
7,718,065 Filtration method and apparatus 29 2008
7,718,057 Wastewater treatment system 29 2008
8,512,568 Method of cleaning membrane modules 0 2009
8,382,981 Frame system for membrane filtration modules 5 2009
8,652,331 Membrane system backwash energy efficiency 0 2009
8,057,574 Membrane post treatment 0 2009
8,956,464 Method of cleaning membranes 0 2010
8,287,743 Membrane cleaning with pulsed airlift pump 2 2010
8,518,256 Membrane module 2 2011
8,262,778 Membrane post treatment 0 2011
9,022,224 Fluid control manifold for membrane filtration system 0 2011
8,372,276 Membrane cleaning with pulsed airlift pump 1 2011
8,623,202 Infiltration/inflow control for membrane bioreactor 0 2012
9,023,206 Frame system for membrane filtration modules 0 2013
8,840,783 Water treatment membrane cleaning with pulsed airlift pump 0 2013
9,533,261 Potting method 0 2013
9,206,057 Membrane cleaning with pulsed airlift pump 0 2014
8,894,858 Method and assembly for water filtration using a tube manifold to minimize backwash 0 2014
 
KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY (2)
* 9,233,342 Organic-inorganic porous membrane and a method for preparing the same 0 2013
* 2015/0129,489 ORGANIC-INORGANIC POROUS MEMBRANE AND A METHOD FOR PREPARING THE SAME 0 2013
 
MITSUI MINING & SMELTING CO., LTD. (1)
5,312,614 Method for producing white electrically conductive zinc oxide 3 1990
 
ASAHI GLASS COMPANY, LIMITED (2)
8,952,083 Fluorocopolymer composition and its production process 0 2011
* 2011/0172,336 FLUOROCOPOLYMER COMPOSITION AND ITS PRODUCTION PROCESS 2 2011
* Cited By Examiner

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