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Claude Trouve
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Yerres, FR
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last 30 patents
Information
Patent Grant
Compositions for the treatment of paper and/or cardboard surfaces a...
Patent number
5,395,440
Issue date
Mar 7, 1995
Societe Francaise Hoechst
Claude Trouve
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cationic copolymers which are insoluble in water, new dispersions a...
Patent number
5,340,441
Issue date
Aug 23, 1994
Societe Francaise Hoechst
Claude Trouve
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for coating papers and its use in flexographic printing
Patent number
5,266,162
Issue date
Nov 30, 1993
Societe Francaise Hoechst
Michel Richard
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cationic copolymers which are insoluble in water, new dispensions a...
Patent number
5,262,238
Issue date
Nov 16, 1993
Societe Francaise Hoechst
Claude Trouve
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for coating papers and its use in flexographic printing
Patent number
5,229,168
Issue date
Jul 20, 1993
Societe Francaise Hoechst
Michel Richard
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Refining process for paper pulp using a silica sol
Patent number
5,225,041
Issue date
Jul 6, 1993
Societe Francaise Hoechst
Michel Richard
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Coating process for papers and cardboards and its use for obtaining...
Patent number
5,219,619
Issue date
Jun 15, 1993
Societe Francaise Hoechst
Claude Trouve
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Novel stable water in oil dispersions of hydrosoluble cationic poly...
Patent number
4,581,402
Issue date
Apr 8, 1986
Societe Francaise Hoechst
William Dunk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cationic aminoplastic resin, preparation process and application th...
Patent number
4,481,116
Issue date
Nov 6, 1984
Societe Francaise Hoechst
Jean Cabestany
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Strong cationic polyelectrolytes in powder form based on acrylamide...
Patent number
4,396,752
Issue date
Aug 2, 1983
Societe Francaise Hoechst
Jean Cabestany
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Powdered cationic polyelectrolytes, based on acrylamide and quatern...
Patent number
4,319,013
Issue date
Mar 9, 1982
Societe Francaise Hoechst
Jean Cabestany
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...