Erhard Tresper

Follow

Person

Krefeld, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of .alpha., .alpha., .alpha., .alpha.',...
- Patent number 4,080,371
- Issue date Mar 21, 1978
- Bayer Aktiengesellschaft
- Erhard Tresper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of O-derivatives of p-isopropenyl phenol
- Patent number 4,070,392
- Issue date Jan 24, 1978
- Bayer Aktiengesellschaft
- Erhard Tresper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trisphenol process
- Patent number 4,059,638
- Issue date Nov 22, 1977
- Bayer Aktiengesellschaft
- Heinrich Krimm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,1,2-Tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes
- Patent number 4,048,200
- Issue date Sep 13, 1977
- Bayer Aktiengesellschaft
- Erhard Tresper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High molecular weight polycarbonates of .alpha.,.alpha.,.alpha.,.al...
- Patent number 4,009,148
- Issue date Feb 22, 1977
- Bayer Aktiengesellschaft
- Dieter Neuray
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of .alpha., .alpha., .alpha., .alpha.',...
- Patent number 3,983,146
- Issue date Sep 28, 1976
- Bayer Aktiengesellschaft
- Erhard Tresper
- C07 - ORGANIC CHEMISTRY