Rudolf Schmidt

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Worms, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for dyeing leathers, water-soluble cationic polymers suitab...
- Patent number 4,775,385
- Issue date Oct 4, 1988
- Benckiser-Knapsack GmbH
- Rudolf Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the retanning of mineral tanned leather
- Patent number 4,750,906
- Issue date Jun 14, 1988
- Benckiser-Knapsack GmbH
- Rudolf Schmidt
- C14 - SKINS HIDES PELTS LEATHER