Heinrich Winkeler

Follow

Person

Wesseling, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Iron blue pigment, process for its pigmentation and use
- Patent number 4,915,742
- Issue date Apr 10, 1990
- Degussa Aktiengesellschaft
- Everhard Gratzfeld
- C01 - INORGANIC CHEMISTRY