Carl-Heinrich Weischer

Follow

Person

Bonn, DE

People

Patents Grantslast 30 patents

Information Patent Grant
2,6-diamino-3-halobenzylpyridines and processes for their manufactu...
- Patent number 4,851,420
- Issue date Jul 25, 1989
- Asta Pharma Aktiengesellschaft
- Peter Emig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethylenediamine and guanidine-derivatives
- Patent number 4,738,983
- Issue date Apr 19, 1988
- Degussa aktiengesellschaft
- Peter Emig
- C07 - ORGANIC CHEMISTRY