GR & DC

Follow

Organization

Pittsburgh, PA, US

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Isomeric diaminobenzophenonedicarboxylic acids and method for prepa...
- Patent number 4,234,743
- Issue date Nov 18, 1980
- GR & DC
- Johann G. Schulz
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks