Rainer Friederich

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Biebesheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrically conducting solid plastics
- Patent number 5,057,370
- Issue date Oct 15, 1991
- Rohm GmbH Chemische Fabrik
- Manfred Krieg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing electrically conductive pressure-formed pla...
- Patent number 4,937,015
- Issue date Jun 26, 1990
- Rohm GmbH Chemische Fabrik
- Manfred Krieg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing electrically conductive pressure-formed pla...
- Patent number 4,778,636
- Issue date Oct 18, 1988
- Rohm GmbH Chemische Fabrik
- Manfred Krieg
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL