Hans G. Keppler

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Weinheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of bead-form expandable styrene polymers
- Patent number 4,980,381
- Issue date Dec 25, 1990
- BASF Aktiengesellschaft
- Hans Hintz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of styrene suspension polymers
- Patent number 4,433,108
- Issue date Feb 21, 1984
- BASF Aktiengesellschaft
- Hans G. Keppler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Manufacture of styrene suspension polymers
- Patent number 4,241,191
- Issue date Dec 23, 1980
- BASF Aktiengesellschaft
- Hans G. Keppler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Manufacture of styrene suspension polymers
- Patent number 4,129,706
- Issue date Dec 12, 1978
- BASF Aktiengesellschaft
- Hans G. Keppler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Utilization of constituents of effluent from the manufacture of sty...
- Patent number 4,104,341
- Issue date Aug 1, 1978
- BASF Aktiengesellschaft
- Hans Georg Keppler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE