Walter Haarman

Follow

Person

Biberach, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Benzotriazolyl-4,5-dihydro-3(2H)-pyridazinones
- Patent number 4,699,909
- Issue date Oct 13, 1987
- Dr. Karl Thomae GmbH
- Norbert Hauel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzotriazolyl-4,5-dihydro-3(2H)-pyridazinones
- Patent number 4,616,018
- Issue date Oct 7, 1986
- Karl Thomae GmbH
- Norbert Hauel
- C07 - ORGANIC CHEMISTRY