US Patent No: 5,288,799

Number of patents in Portfolio can not be more than 2000

Thermoplastic molding compositions which are mixtures of amorphous and semi-crystalline polyamides, a method of preparation thereof and products made therefrom

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Abstract

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Thermoplastic molding compositions including a semicrystalline polyamide a) and an amorphous copolyamide b), the latter containing dimerized fatty acid as one monomer building block. Optionally, a compatibility agent and other additives are also included. The molding compounds having high stiffness up to at least 100.degree. C. are produced by melt-mixing components a) and b), and optionally a compatibilizer, and are used for making molded parts which are outstanding in their thermal properties, high solvent resistance, and resistance to stress corrosion.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EMS-PATENT AGDOMAT/EMS70

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schmid, Eduard Bonaduz, CH 53 739
Thullen, Helmuth Bonaduz, CH 1 42

Cited Art Landscape

Patent Info (Count) # Cites Year
 
American Hoechst Corporation (1)
4,299,744 High impact polyamides 21 1980
 
E. I. DU PONT DE NEMOURS AND COMPANY (1)
4,410,661 Toughened polyamide blends 42 1982
 
Rhone-Poulenc Specialites Chimiques (1)
4,977,213 Moulding compositions comprised of semirigid, fatty acid copolyamides, elastomers and optionally conventional polyamides 48 1987

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
BAXTER INTERNATIONAL INC. (28)
5,998,019 Multi-layered polymer structure for medical products 55 1993
5,849,843 Polymeric compositions for medical packaging and devices 41 1993
6,297,046 Multilayer gas-permeable container for the culture of adherent and non-adherent cells 27 1994
6,881,790 Polymeric compositions for medical packaging and devices 6 1995
6,399,704 Polymeric compositions for medical packaging and devices 33 1995
5,854,347 Polymeric compositions for medical packaging and devices 26 1995
5,686,527 Polymeric compositions for medical packaging and devices 39 1995
6,024,220 Encapsulated seam for multilayer materials 26 1997
5,935,847 Multilayer gas-permeable container for the culture of adherent and non-adherent cells 28 1998
6,528,173 Coextruded multilayer films for sterilizable fluid containers 1 1998
6,391,404 Coextruded multilayer film materials and containers made therefrom 6 1998
6,168,862 Multi-layered polymer based thin film structure for medical grade products 30 1999
6,261,655 Multi-layered polymer based thin film structure for medical grade products 35 1999
6,461,696 Multi-layered polymer based moisture barrier structure for medical grade products 6 2000
7,267,885 Containers and peelable seal containers of new non-PVC material 1 2000
6,969,483 Autoclavable, non-adherent, heat sealable polymer blends for fabricating monolayer and multiple layered films 1 2000
6,743,523 Multiple layer film of a new non-PVC material 13 2000
6,372,848 Blend of ethylene and .alpha.-olefin copolymers obtained using a metallocene catalyst for fabricating medical films and tubings 17 2000
6,964,798 Multi-layered polymer based thin film structure for medical grade products 0 2002
7,238,164 Systems, methods and apparatuses for pumping cassette-based therapies 63 2002
8,545,435 Method and apparatus for providing medical treatment therapy based on calculated demand 0 2005
8,323,231 Method and apparatus for monitoring and controlling peritoneal dialysis therapy 0 2006
8,558,964 Dialysis system having display with electromagnetic compliance (“EMC”) seal 0 2007
8,361,023 Dialysis system with efficient battery back-up 0 2007
7,998,115 Dialysis system having optical flowrate detection 4 2007
7,731,689 Dialysis system having inductive heating 0 2007
7,744,554 Cassette alignment and integrity testing for dialysis systems 8 2007
8,206,338 Pumping systems for cassette-based dialysis 2 2007
 
EMS-CHEMIE AG (3)
7,910,652 Polyamide molding materials with an improved flowability, the production thereof and its use 0 2006
7,786,222 Polyamide oligomers and their use 0 2006
8,138,259 Polyamide molding materials with an improved flowability, the production thereof and its use 0 2009
 
ATOFINA (2)
6,916,517 Polyamide-based transparent composition 1 2002
7,122,233 Polyamide-based transparent composition 3 2005
 
3M INNOVATIVE PROPERTIES COMPANY (1)
6,884,833 Devices, compositions, and methods incorporating adhesives whose performance is enhanced by organophilic clay constituents 27 2001
 
BASF SE (1)
7,671,127 Impact-modified thermoplastic molding compositions based on vinyl aromatic copolymers and polyamide 1 2005
 
DENTSPLY RESEARCH & DEVELOPMENT CORP. (1)
6,855,278 Process of making a dental prosthesis 1 2001
 
H.B. FULLER LICENSING & FINANCING, INC. (1)
7,001,979 Polyamide and composition and article including same 1 2002
 
LIFE TECHNOLOGIES CORPORATION (1)
7,384,783 Stirred-tank reactor system 14 2005
 
NIPPON PILLAR PACKING CO., LTD. (1)
6,305,691 Shaft sealing apparatus 2 1996
 
RKEMA (1)
7,014,919 Polyamide-based transparent composition 0 2002
 
RUST-OLEUM CORPORATION (1)
6,187,374 Coatings with increased adhesion 2 1998
 
UBE INDUSTRIES, LTD. (1)
5,874,176 Resin composite containing polyamide matrix and polyolefine grains dispersed therein 5 1997