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last 30 patents
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Patent Grant
Photoconductive recording material with special outermost layer
Patent number
5,208,128
Issue date
May 4, 1993
Agfa-Gevaert, N.V.
David R. Terrell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductive recording material with special outermost layer
Patent number
5,208,127
Issue date
May 4, 1993
Agfa-Gevaert, N.V.
David R. Terrell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Graft copolymers, their production and use
Patent number
5,137,971
Issue date
Aug 11, 1992
Bayer Aktiengesellschaft
Ralf Dujardin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Special diorganosiloxane block copolycarbonates
Patent number
5,112,925
Issue date
May 12, 1992
Bayer Aktiengesellschaft
Peter Horlacher
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polydiorganosiloxane/polycarbonate block cocondensates based on cer...
Patent number
5,109,076
Issue date
Apr 28, 1992
Bayer Aktiengesellschaft
Dieter Freitag
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic molding compositions of a polysiloxane block copolyca...
Patent number
5,100,960
Issue date
Mar 31, 1992
Bayer Aktiengesellschaft
Ulrich Grigo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polysiloxane-polycarbonate block copolymers based on certain dihydr...
Patent number
5,068,302
Issue date
Nov 26, 1991
Bayer Aktiengesellschaft
Peter Horlacher
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic molding compounds of polycarbonate, polyalkylene tere...
Patent number
5,026,758
Issue date
Jun 25, 1991
Bayer Aktiengesellschaft
Ulrich Grigo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...