Jurgen Grammel

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of aqueous polyurethane dispersions and...
- Patent number 4,829,122
- Issue date May 9, 1989
- Bayer Aktiengesellschaft
- Josef Pedain
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of viscosity stable polyurethane solutions
- Patent number 4,530,990
- Issue date Jul 23, 1985
- Bayer Aktiengesellschaft
- Reinhard Halpaap
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coating and dressing agents for leather and leather substitutes bas...
- Patent number 4,401,801
- Issue date Aug 30, 1983
- Bayer Aktiengesellschaft
- Josef Pedain
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of aqueous polyurethane dispersions and...
- Patent number 4,269,748
- Issue date May 26, 1981
- Bayer Aktiengesellschaft
- Klaus Nachtkamp
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous polyurethane dispersions from solvent-free prepolymers usin...
- Patent number 4,108,814
- Issue date Aug 22, 1978
- Bayer Aktiengesellschaft
- Helmut Reiff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...