Otto Benn

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Bergisch Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Use of zinc salts of mercaptobenzimidazole and dithiophosphoric aci...
- Patent number 4,435,532
- Issue date Mar 6, 1984
- Bayer Aktiengesellschaft
- Joachim Thormer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of low-filler rubber powders by the grinding process
- Patent number 4,157,790
- Issue date Jun 12, 1979
- Bayer Aktiengesellschaft
- Otto Benn
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL