Gerhard Usbeck

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Wiesbaden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating aluminum oxide layers and use in the manufactu...
- Patent number 4,492,616
- Issue date Jan 8, 1985
- Hoechst Aktiengesellschaft
- Engelbert Pliefke
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Polyvinylmethylphosphinic acid, process for its manufacture and use
- Patent number 4,458,005
- Issue date Jul 3, 1984
- Hoechst Aktiengesellschaft
- Dieter Mohr
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for anodically oxidizing aluminum and use of the material s...
- Patent number 4,229,266
- Issue date Oct 21, 1980
- Hoechst Aktiengesellschaft
- Gerhard Usbeck
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for anodically oxidizing aluminum and use of the material s...
- Patent number 4,211,619
- Issue date Jul 8, 1980
- Hoechst Aktiengesellschaft
- Gerhard Usbeck
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR