Erwin Vangermain

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Marl, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of p-tert-octyl phenol by catalytic alky...
- Patent number 4,461,916
- Issue date Jul 24, 1984
- Chemische Werke Huels A.G.
- Helmut Alfs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported silver catalysts mixed with promoter metal compounds for...
- Patent number 4,409,394
- Issue date Oct 11, 1983
- Chemische Werke Huls AG
- Erwin Vangermain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for activating or reactivating ethylene oxide silver substr...
- Patent number 4,376,718
- Issue date Mar 15, 1983
- Chemische Werke Huls AG
- Erwin Vangermain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported silver catalysts mixed with promoter metal compounds for...
- Patent number 4,310,442
- Issue date Jan 12, 1982
- Chemische Werke Huls AG
- Erwin Vangermain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of silver catalysts for the production...
- Patent number 4,305,844
- Issue date Dec 15, 1981
- Chemische Werke Huls AG
- Erwin Vangermain
- C07 - ORGANIC CHEMISTRY