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Werner Antwerpen
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Schwalbach, DE
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last 30 patents
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Patent Grant
Use of a water-soluble copolymers based on acrylamidoalkylenesulfon...
Patent number
5,607,618
Issue date
Mar 4, 1997
Hoechst Aktiengesellschaft
Werner Antwerpen
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Use of copolymers based on vinyl monomers and carboxylic acid amide...
Patent number
5,542,951
Issue date
Aug 6, 1996
Hoechst Aktiengesellschaft
Werner Antwerpen
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Polycondensates containing phosphinic or phosphonic acid groups and...
Patent number
5,492,995
Issue date
Feb 20, 1996
Hoechst Aktiengsellschaft
Fritz Engelhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycondensates containing polysiloxane groups
Patent number
5,488,123
Issue date
Jan 30, 1996
Cassella AG
Fritz Engelhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...