Karl-Heinz Wieser

Follow

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
New polyisocyanate-polyaddition compounds, a process for their prep...
- Patent number 4,929,705
- Issue date May 29, 1990
- Bayer Aktiengesellschaft
- Jan Mazanek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pigment preparations
- Patent number 4,909,853
- Issue date Mar 20, 1990
- Bayer Aktiengesellschaft
- Martin Wienkenhover
- C01 - INORGANIC CHEMISTRY