Josef Schroeder

Follow

Person

Cologne, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Whiteners, their preparation and use
- Patent number 4,090,018
- Issue date May 16, 1978
- Bayer Aktiengesellschaft
- Josef Schroeder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical brighteners
- Patent number 4,071,466
- Issue date Jan 31, 1978
- Bayer Aktiengesellschaft
- Josef Schroeder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 2-aryl-v-triazole
- Patent number 3,965,094
- Issue date Jun 22, 1976
- Bayer Aktiengesellschaft
- Uwe Claussen
- C07 - ORGANIC CHEMISTRY