Stephan Kleemann

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Schriesheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Copper-containing polymers, a process for their preparation and the...
- Patent number 4,851,557
- Issue date Jul 25, 1989
- Benckiser-Knapsack GmbH
- Stephan G. Kleemann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of vinyldiphosphonic acid and salts the...
- Patent number 4,828,766
- Issue date May 9, 1989
- Benckiser-Knapsack GmbH
- Stephan Kleemann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of Maddrell's salt
- Patent number 4,780,293
- Issue date Oct 25, 1988
- Benckiser-Knapsack GmbH
- Stephan Kleemann
- C01 - INORGANIC CHEMISTRY
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-...