Wolfgang Speicher

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous polymer dispersions for the treatment of leather
- Patent number 4,332,860
- Issue date Jun 1, 1982
- Bayer Aktiengesellschaft
- Ferdinand Heins
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Moisture hardening one-component lacquers and a process for coating...
- Patent number 4,289,827
- Issue date Sep 15, 1981
- Bayer Aktiengesellschaft
- Klaus Noll
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...