Heinz Praetorius

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Duren, DE

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Patents Grantslast 30 patents

Information Patent Grant
Use of alkylene oxide copolymers as emollients in cosmetic preparat...
- Patent number 4,411,887
- Issue date Oct 25, 1983
- Akzona Incorporated
- Karl Seibert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of 2-mercaptobenzothiazole
- Patent number 4,316,031
- Issue date Feb 16, 1982
- Akzona Incorporated
- Manfred Bergfeld
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyether lubricants for use in the processing of plastics
- Patent number 4,230,612
- Issue date Oct 28, 1980
- Akzona Incorporated
- Heinz Praetorius
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyether lubricants for use in the processing of plastics
- Patent number 4,159,975
- Issue date Jul 3, 1979
- Akzona Incorporated
- Heinz Praetorius
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lubricants used in the processing of plastics
- Patent number 4,129,717
- Issue date Dec 12, 1978
- Akzona Incorporated
- Heinz Praetorius
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...