US Patent No: 4,413,110

Number of patents in Portfolio can not be more than 2000

High tenacity, high modulus polyethylene and polypropylene fibers and intermediates therefore

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Abstract

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Solutions of ultrahigh molecular weight polymers such as polyethylene in a relatively non-volatile solvent are extruded through an aperture at constant concentration through the aperture and cooled to form a first gel of indefinite length. The first gels are extracted with a volatile solvent to form a second gel and the second gel is dried to form a low porosity xerogel. The first gel, second gel or xerogel, or a combination, are stretched. Among the products obtainable are polyethylene fibers of greater than 30 or even 40 g/denier tenacity and of modulus greater than 1000 or even 1600 or 2000 g/denier.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ALLIED CORPORATIONMORRISTOWN, NJ9

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kavesh, Sheldon Whippany, NJ 50 2181
Prevorsek, Dusan C Morristown, NJ 89 3426

Cited Art Landscape

Patent Info (Count) # Cites Year
 
LIFESHIELD SCIENCES LLC (1)
* 2004/0158,312 Braided endoluminal device having tapered filaments 21 2003
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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (8)
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MITSUI CHEMICALS, INC. (6)
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DOW GLOBAL TECHNOLOGIES LLC (38)
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8,420,760 Long chain branched propylene-alpha-olefin copolymers 8 2008
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8,901,260 Heterogeneous ethylene alpha-olefin interpolymers 0 2010
8,372,931 Ethylene-based polymer compositions 4 2010
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8,338,538 Bimodal polyethylene composition and articles made therefrom 1 2010
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8,987,385 Interconnected copolymers of ethylene in combination with one other polyalkene 0 2010
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8,415,434 Catalytic olefin block copolymers via polymerizable shuttling agent 0 2010
8,829,115 Ethylene-based polymer composition 0 2011
8,995,810 Flexible strength members for wire cables 0 2011
8,629,214 Ethylene-based polymer compositions for use as a blend component in shrinkage film applications 0 2012
9,006,342 Bimodal polyethylene composition and articles made therefrom 0 2012
8,742,035 Method of controlling a polymerization reactor 0 2012
8,729,200 Ethylene-based polymer compositions 0 2012
9,403,928 Polymerization process to make low density polyethylene 0 2014
9,410,009 Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation 0 2014
 
COVIDIEN LP (1)
* 2011/0277,249 Method of Producing Colored High-Strength Fibers 0 2010
 
UBE-NITTO KASEI CO., LTD. (1)
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ALLIED-SIGNAL INC. (14)
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MEDTRONIC, INC. (1)
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THE DOW CHEMICAL COMPANY (9)
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6,448,355 Elastic fibers, fabrics and articles fabricated therefrom 9 1996
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PURE FISHING, INC. (2)
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8,013,058 Composition having improved adherence with an addition-curable material and composite article incorporating the composition 1 2010
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8,709,575 Multilayered material sheet and process for its preparation 0 2007
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7,811,498 Process for the production of a shaped article 0 2007
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8,870,504 Cargo net 0 2009
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9,397,392 Geodesic radome 0 2012
9,382,646 Abrasion resistant yarn 0 2012
8,999,866 Ballistic-resistant assemblies with monolayers of high-performance polyethylene multifilament yarns 0 2013
 
UNIVERSITY OF LEEDS INNOVATIONS, LTD, THE (2)
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TORAY BATTERY SEPARATOR FILM CO., LTD. (4)
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HONEYWELL INTERNATIONAL INC. (70)
6,846,548 Flexible fabric from fibrous web and discontinuous domain matrix 15 1999
6,221,491 Hexagonal filament articles and methods for making the same 1 2000
6,448,359 High tenacity, high modulus filament 43 2000
7,211,291 Flexible fabric from fibrous web and discontinuous domain matrix 5 2001
6,746,975 High tenacity, high modulus filament 13 2002
6,764,764 Polyethylene protective yarn 6 2003
7,344,668 Process for drawing gel-spun polyethylene yarns 9 2003
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6,979,660 Polyethylene protective yarn 9 2004
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7,147,807 Solution spinning of UHMW poly (alpha-olefin) with recovery and recycling of volatile spinning solvent 4 2005
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8,070,998 Process for drawing gel-spun polyethylene yarns 0 2005
7,115,318 Drawn gel-spun polyethylene yarns and process for drawing 2 2005
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7,687,412 Flexible ballistic composites resistant to liquid pick-up method for manufacture and articles made therefrom 3 2005
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7,600,537 Reinforced plastic pipe 11 2005
* 2007/0062,595 Reinforced plastic pipe 2 2005
7,601,416 Fragment and stab resistant flexible material with reduced trauma effect 18 2005
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* 2007/0202,328 High tenacity polyolefin ropes having improved cyclic bend over sheave performance 1 2006
7,642,206 Ceramic faced ballistic panel construction 8 2006
8,444,898 High molecular weight poly(alpha-olefin) solutions and articles made therefrom 0 2006
* 2007/0202,329 Ropes having improved cyclic bend over sheave performance 1 2006
8,007,202 Protective marine barrier system 5 2006
* 2010/0239,374 Protective marine barrier system 4 2006
7,288,220 Solution spinning of UHMW Poly (alpha-olefin) with recovery and recycling of volatile spinning solvent 0 2006
7,370,395 Heating apparatus and process for drawing polyolefin fibers 7 2006
* 2007/0137,064 Heating apparatus and process for drawing polyolefin fibers 1 2006
8,652,570 Process for forming unidirectionally oriented fiber structures 0 2006
8,017,529 Cross-plied composite ballistic articles 1 2007
7,994,074 Composite ballistic fabric structures 0 2007
* 7,846,363 Process for the preparation of UHMW multi-filament poly(alpha-olefin) yarns 3 2007
* 2008/0048,355 Process for the preparation of UHMW multi-filament poly(alpha-olefin) yarns 7 2007
7,919,418 High performance ballistic composites having improved flexibility and method of making the same 3 2007
* 2008/0064,280 High performance ballistic composites having improved flexibility and method of making the same 10 2007
8,256,019 Composite ballistic fabric structures for hard armor applications 8 2007
8,853,105 Helmets for protection against rifle bullets 0 2007
* 2010/0275,337 Helmets for protection against rifle bullets 4 2007
7,858,180 High tenacity polyolefin ropes having improved strength 0 2008
* 2009/0269,583 High tenacity polyolefin ropes having improved strength 1 2008
8,658,244 Method of making colored multifilament high tenacity polyolefin yarns 0 2008
7,966,797 Method of making monofilament fishing lines of high tenacity polyolefin fibers 1 2008
* 2009/0324,949 Method of making colored multifilament high tenacity polyolefin yarns 1 2008
* 2009/0321,976 Method of making monofilament fishing lines of high tenacity polyolefin fibers 6 2008
* 2009/0139,091 FIELD INSTALLATION OF A VEHICLE PROTECTION SYSTEM 5 2008
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7,935,283 Melt spinning blends of UHMWPE and HDPE and fibers made therefrom 2 2009
8,236,119 High strength ultra-high molecular weight polyethylene tape articles 2 2009
7,964,518 Enhanced ballistic performance of polymer fibers 13 2010
8,889,049 Process and product of high strength UHMW PE fibers 0 2010
8,747,715 Ultra-high strength UHMW PE fibers and products 1 2010
8,080,486 Ballistic shield composites with enhanced fragment resistance 5 2010
* 8,361,366 Process for the preparation of UHMW multi-filament poly(alpha-olefin) yarns 0 2010
* 2011/0045,293 PROCESS FOR THE PREPARATION OF UHMW MULTI-FILAMENT POLY(ALPHA-OLEFIN) YARNS 0 2010
8,697,220 High strength tape articles from ultra-high molecular weight polyethylene 0 2011
8,057,897 Melt spinning blends of UHMWPE and HDPE and fibers made therefrom 0 2011
* 2011/0171,468 MELT SPINNING BLENDS OF UHMWPE AND HDPE AND FIBERS MADE THEREFROM 0 2011
8,474,237 Colored lines and methods of making colored lines 0 2011
9,365,953 Ultra-high strength UHMWPE fibers and products 0 2011
8,426,510 Melt spinning blends of UHMWPE and HDPE and fibers made therefrom 0 2011
8,685,519 High strength ultra-high molecular weight polyethylene tape articles 1 2012
9,138,961 High performance laminated tapes and related products for ballistic applications 1 2012
9,169,581 High tenacity high modulus UHMW PE fiber and the process of making 0 2013
8,906,485 High strength ultra-high molecular weight polyethylene tape articles 0 2014
9,387,646 Fabrics, laminates and assembles formed from ultra-high molecular weight polyethylene tape articles 0 2014
 
The Boeing Company (13)
7,740,932 Hybrid fiberglass composite structures and methods of forming the same 1 2005
7,721,495 Composite structural members and methods for forming the same 5 2005
* 2006/0236,652 Composite structural members and methods for forming the same 2 2005
* 2006/0237,588 Composite structural member having an undulating web and method for forming the same 9 2005
* 2006/0222,837 Multi-axial laminate composite structures and methods of forming the same 11 2005
* 2006/0219,845 Hybrid fiberglass composite structures and methods of forming the same 1 2005
8,444,087 Composite skin and stringer structure and method for forming the same 1 2005
* 2006/0243,860 Composite skin and stringer structure and method for forming the same 23 2005
7,748,119 Method for manufacturing composite components 2 2005
7,467,763 Composite landing gear apparatus and methods 2 2005
* 2006/0272,143 Methods and systems for manufacturing composite components 0 2005
* 2007/0052,554 Methods and systems for logistics health status display 1 2005
* 2007/0050,104 Methods and systems for logistics health status reasoner 11 2005
 
PPG INDUSTRIES OHIO, INC. (2)
* 4,861,644 Printed microporous material 91 1988
* 4,833,172 Stretched microporous material 119 1988
 
PROPEX OPERATING COMPANY, LLC (12)
* 5,628,946 Process for producing polymeric materials 20 1994
* 6,017,834 Monoliyhic polymeric product 15 1997
6,277,773 Polymeric materials 10 1999
7,279,441 Compacted olefin fibers 8 2003
* 2004/0113,324 Olefin polymers 0 2003
8,052,913 Process for fabricating polymeric articles 2 2004
* 2005/0064,163 Process for fabricating polypropylene sheet 1 2004
8,021,592 Process for fabricating polypropylene sheet 0 2007
* 2010/0178,486 Process for fabricating polypropylene sheet 1 2009
8,268,439 Process for fabricating polymeric articles 0 2011
8,871,333 Interlayer hot compaction 0 2012
9,403,341 Interlayer hot compaction 0 2014
 
DOW GLOBAL TECHNOLOGIES INC. (21)
6,545,088 Metallocene-catalyzed process for the manufacture of EP and EPDM polymers 47 1996
6,723,398 Polymer blend and fabricated article made from diverse ethylene interpolymers 10 1999
6,506,867 Elastic substantially linear ethylene polymers 8 2000
6,482,896 Polypropylene/ethylene polymer fiber having improved bond performance and composition for making the same 10 2001
6,709,742 Crosslinked elastic fibers 9 2001
6,667,351 Articles having elevated temperature elasticity made from irradiated and crosslinked ethylene polymers and method for making the same 13 2002
6,960,635 Isotactic propylene copolymers, their preparation and use 95 2002
* 2003/0204,017 Isotactic propylene copolymers, their preparation and use 33 2002
7,736,737 Fibers formed from immiscible polymer blends 33 2004
* 2006/0234,049 Fibers formed from immiscible polymer blends 35 2004
6,906,141 Polymer blend and fabricated article made from diverse ethylene interpolymers 6 2004
7,659,343 Film layers made from ethylene polymer blends 4 2004
* 2007/0093,603 Film layers made from ethylene polymer blends 1 2004
7,345,113 Bimodal polyethylene composition and articles made therefrom 19 2006
* 2007/0021,567 Bimodal polyethylene composition and articles made therefrom 1 2006
7,858,707 Catalytic olefin block copolymers via polymerizable shuttling agent 7 2006
7,842,627 Olefin block compositions for stretch fabrics with wrinkle resistance 16 2007
7,776,770 Molded fabric articles of olefin block interpolymers 15 2007
* 2008/0176,473 MOLDED FABRIC ARTICLES OF OLEFIN BLOCK INTERPOLYMERS 1 2007
* 2008/0184,498 COLORFAST FABRICS AND GARMENTS OF OLEFIN BLOCK COMPOSITIONS 1 2008
* 2009/0068,436 OLEFIN BLOCK INTERPOLYMER COMPOSITION SUITABLE FOR FIBERS 0 2008
 
KIMBERLY-CLARK WORLDWIDE, INC. (2)
* 4,882,230 Multilayer polymeric film having dead bend characteristics 4 1987
* 4,923,549 Method of making a multilayer polymeric film having dead bend characteristics 1 1989
 
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION (2)
* 5,077,121 High strength high modulus polyolefin composite with improved solid state drawability 32 1988
6,846,884 Control of resin properties 4 2002
 
Nippon Petrochemicals Company, Limited (1)
* 4,767,819 Ultra-high-molecular-weight polyethylene solution 3 1987
 
ETH ZURICH (2)
* 7,575,703 Polymer gel-processing techniques and high modulus products 0 2004
* 2007/0007,688 Polymer gel-processing techniques and high modulus products 4 2004
 
United States Surgical Corporation (1)
* 5,318,575 Method of using a surgical repair suture product 142 1992
 
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC (1)
* 2011/0130,271 ZIEGLER-NATTA CATALYST COMPOSITIONS FOR PRODUCING POLYETHYLENES WITH A HIGH MOLECULAR WEIGHT TAIL AND METHODS OF MAKING THE SAME 2 2009
* Cited By Examiner