Erwin Kiesewetter

Follow

Person

Stolberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for recovering guanidine salts
- Patent number 5,938,907
- Issue date Aug 17, 1999
- NIGU Chemie GmbH
- Erwin Kiesewetter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenol derivatives, pharmaceutical compositions containing these co...
- Patent number 4,959,391
- Issue date Sep 25, 1990
- Gruenenthal GmbH
- Oswald K. Zimmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenol derivatives and pharmaceutical compositions containing these...
- Patent number 4,760,087
- Issue date Jul 26, 1988
- Gruenenthal GmbH
- Oswald K. Zimmer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives, compositions and method of use
- Patent number 4,159,327
- Issue date Jun 26, 1979
- Grunenthal GmbH
- Erwin Kiesewetter
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE