Piejko; Karl-Erwin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Piejko; Karl-Erwin.The latest application filed is for "thermoplastic abs moulding compositions".

Company Profile

0.17.0

Piejko; Karl-Erwin - Bergisch Gladbach DE
Piejko; Karl-Erwin - Cologne DE
Piejko; Karl-Erwin - Gladbach DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Thermoplastic ABS moulding compositions Grant 5,708,079 - Eichenauer , et al. January 13, 1	1998-01-13
ABS molding compounds with improved toughness Grant 5,674,940 - Eichenauer , et al. October 7, 1	1997-10-07
ABS polymer compositions having a uniform matt surface Grant 5,605,963 - Leitz , et al. February 25, 1	1997-02-25
Process for the preparation of alpha-methylstyrene polymers Grant 5,266,642 - Piejko , et al. November 30, 1	1993-11-30
Polymer blends containing ethylene polymers for flexible films Grant 5,250,617 - Piejko , et al. October 5, 1	1993-10-05
Thermoplastic compositions of polyurethanes and partly crosslinked alkyl acrylate copolymers Grant 5,237,001 - Piejko , et al. August 17, 1	1993-08-17
Multilayered films Grant 5,219,643 - Schmidt , et al. June 15, 1	1993-06-15
Uncrosslinked copolymers containing reactive double bonds of fluorine monomers and unconjugated dienes and a process for their production Grant 5,214,115 - Langstein , et al. May 25, 1	1993-05-25
Alloys of thermoplastic polymers containing oxetanyl groups Grant 5,194,497 - Piejko , et al. March 16, 1	1993-03-16
Copolymers containing perfluoroalkyls Grant 5,173,547 - Rottger , et al. December 22, 1	1992-12-22
Thermoplastic interpolymers and their use in mixtures of polyamide and styrene copolymers and/or graft polymers Grant 5,010,138 - Westeppe , et al. April 23, 1	1991-04-23
Impact resistant polyamide moulding compounds modified with silicone graft rubbers Grant 4,945,124 - Westeppe , et al. July 31, 1	1990-07-31
Optically active (meth)acrylamides, a process for their preparation, and their use for racemate resolution Grant 4,937,000 - Bomer , et al. June 26, 1	1990-06-26
Optically active (meth)acrylamides, a process for their preparation, and their use for racemate resolution Grant 4,914,159 - Bomer , et al. April 3, 1	1990-04-03
Rubber-like thermoplastic polymer mixtures Grant 4,902,745 - Piejko , et al. February 20, 1	1990-02-20
Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator Grant 4,879,367 - Piejko , et al. November 7, 1	1989-11-07
Water-absorbing, essentially water-free membrane for reagent substrates and methods of preparing the same Grant 4,780,411 - Piejko , et al. October 25, 1	1988-10-25

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