Helmut Huhn

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Walsrode, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of water-soluble copolymers
- Patent number 4,833,199
- Issue date May 23, 1989
- Wolff Walsrode AG
- Lutz Hoppe
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
High molecular weight water-swellable substances
- Patent number 4,614,780
- Issue date Sep 30, 1986
- Wolff Walsrode Aktiengesellschaft
- Helmut Huhn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of water-soluble hydrolyzed products of...
- Patent number 4,357,437
- Issue date Nov 2, 1982
- Wolff Walsrode AG
- Helmut Huhn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous polymer mixture, process for its preparation and its use as...
- Patent number 4,267,094
- Issue date May 12, 1981
- Bayer Aktiengesellschaft
- Helmut Huhn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...