Josef Kalka

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for withdrawing a sample from a reaction vess...
- Patent number 4,056,981
- Issue date Nov 8, 1977
- Chemische Werke Huls Aktiengesellschaft
- Josef Kalka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuous process for the removal of monomeric impurities from aqu...
- Patent number 4,020,032
- Issue date Apr 26, 1977
- Chemische Werke Huls Aktiengesellschaft
- Josef Kalka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing synthetic powders based on polyvinyl chloride...
- Patent number 3,993,536
- Issue date Nov 23, 1976
- Chemische Werke Huls Aktiengesellschaft
- Josef Kalka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing synthetic powders based on polyvinyl chloride...
- Patent number 3,993,857
- Issue date Nov 23, 1976
- Chemische Werke Huls Aktiengesellschaft
- Manfred Smolinski
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL