Jan Crommen

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Gent, BE

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Patents Grantslast 30 patents

Information Patent Grant
Polyphosphazenes and their synthesis
- Patent number 5,104,947
- Issue date Apr 14, 1992
- Ethyl Corporation
- Etienne Schacht
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bioerodable sustained release implants
- Patent number 4,975,280
- Issue date Dec 4, 1990
- Ethyl Corporation
- Etienne Schacht
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Novel dibasic acid salts and their synthesis
- Patent number 4,965,397
- Issue date Oct 23, 1990
- Ethyl Corporation
- Etienne Schacht
- C07 - ORGANIC CHEMISTRY