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Lestrem, FR
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last 30 patents
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Patent Grant
Aqueous dispersion of pigment(s) and/or filler(s) containing a part...
Patent number
6,267,812
Issue date
Jul 31, 2001
Roquette Freres Lestrem
Pierre Lefer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phytosanitary composition, method of preparing same and use thereof...
Patent number
6,037,311
Issue date
Mar 14, 2000
Roquette Freres
Serge Gosset
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Biodegradable moulding compositions comprising a starch, a biodegra...
Patent number
5,703,160
Issue date
Dec 30, 1997
Solvay S.A.
Claude Dehennau
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compositions for aqueous machining fluids and cyclodextrin and fatt...
Patent number
5,496,479
Issue date
Mar 5, 1996
Roquette Freres
Didier Videau
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Binding composition for the preparation of a novel agglomerate base...
Patent number
5,421,838
Issue date
Jun 6, 1995
Roquette Freres
Serge Gosset
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Agent increasing the rate of hardening of cements, mortars and conc...
Patent number
5,372,643
Issue date
Dec 13, 1994
Roquette Freres
Serge Gosset
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Thermoformable compounds, their process of preparation and their us...
Patent number
5,360,473
Issue date
Nov 1, 1994
Roquette Freres
Guy Fleche
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of a water-resistant fuel agglomerate
Patent number
5,298,040
Issue date
Mar 29, 1994
Roquette Freres
Serge Gosset
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Manufacturing process for paper
Patent number
5,129,989
Issue date
Jul 14, 1992
Roquette Freres
Serge Gosset
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Phytosanitary composition, its process for preparation and its use...
Patent number
5,116,825
Issue date
May 26, 1992
Roquette Freres
Jean-Claude Malras
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Water-resistant fuel agglomerate, process for preparing it and comp...
Patent number
4,981,494
Issue date
Jan 1, 1991
Roquette Freres
Dominique Breuil
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Amylaceous composition for mixtures based on synthetic or natural b...
Patent number
4,711,794
Issue date
Dec 8, 1987
Roquette Freres Societe Anonyme
Serge Gosset
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Composition and process for forming a temporary protective coating...
Patent number
4,632,848
Issue date
Dec 30, 1986
Roquette Freres
Serge Gosset
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Cationic additive for the manufacture of paper
Patent number
4,613,407
Issue date
Sep 23, 1986
Roquette Freres
Michel Huchette
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition and process for coating paper and cardboard process for...
Patent number
4,600,439
Issue date
Jul 15, 1986
Roquette Freres
Jean Schneider
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition and method of inhibiting corrosion by water of metal su...
Patent number
4,512,915
Issue date
Apr 23, 1985
Roquette Freres
Jean-Claude Lumaret
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hydrogenated starch hydrolysate
Patent number
4,445,938
Issue date
May 1, 1984
Roquette Freres
Francoise Verwaerde
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Quenching bath and quenching method for metals
Patent number
4,441,937
Issue date
Apr 10, 1984
Roquette Freres
Serge Gosset
C21 - METALLURGY OF IRON