Hansjurgen Botsch

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation and use of sulphur-containing polyether-urethanes
- Patent number 4,666,618
- Issue date May 19, 1987
- Bayer Aktiengesellschaft
- Karl-Heinz Hentschel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process and means for preventing blockages of crude oil deposits by...
- Patent number 4,603,738
- Issue date Aug 5, 1986
- Bayer Aktiengesellschaft
- Wolfgang Oberkirch
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...