Helmut Kipphardt

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Surface-active copolymers and their use for the production of polyu...
- Patent number 5,071,923
- Issue date Dec 10, 1991
- Bayer Aktiengesellschaft
- Tillmann Hassel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyurethane powders
- Patent number 5,061,756
- Issue date Oct 29, 1991
- Bayer Aktiengesellschaft
- Tillmann Hassel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethers and their use as mold release agents for plastics
- Patent number 4,889,908
- Issue date Dec 26, 1989
- Bayer Aktiengesellschaft
- Joachim Franke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
COVERING LAYERS FOR ELASTIC LAMINATE THAT COMPRISE A SEPARATE SURFA...
- Publication number 20170233953
- Publication date Aug 17, 2017
- Metall-Chemie Technologies GmbH
- Helmut KIPPHARDT
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...