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last 30 patents
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Patent Grant
Polymers and copolymers originating from the addition of oligomers...
Patent number
5,665,855
Issue date
Sep 9, 1997
Elf Atochem S.A.
Margarita Acevedo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers comprising both polyamide-diacid/polyetherdiol blocks and...
Patent number
5,574,128
Issue date
Nov 12, 1996
ELF Atochem S.A.
Didier Judas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamides and objects obtained from them
Patent number
5,422,418
Issue date
Jun 6, 1995
ELF Atochem S.A.
Philippe Maj
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyamides with oligomer formation
Patent number
5,310,860
Issue date
May 10, 1994
Elf Atochem, S.A.
Philippe Maj
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic semialiphatic copolyesteramides
Patent number
5,162,484
Issue date
Nov 10, 1992
Atochem
Didier Judas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermotropic aromatic copolyesters comprising recurring structural...
Patent number
5,138,021
Issue date
Aug 11, 1992
Atochem
Didier Judas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester amides and polyether thioether ester amides and process f...
Patent number
4,864,014
Issue date
Sep 5, 1989
Atochem
Daniel Cuzin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyesteramides, polyetheresteramides and process for preparation t...
Patent number
4,839,441
Issue date
Jun 13, 1989
Atochem
Daniel Cuzin
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...