Gerarda J. Klaver

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing a dispersant/VI improver and product prepared...
- Patent number 5,147,570
- Issue date Sep 15, 1992
- Shell Oil Company
- Arie Van Zon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of modified star polymers
- Patent number 5,141,996
- Issue date Aug 25, 1992
- Shell Oil Company
- Arie V. Zon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified dispersant V.I. improver
- Patent number 5,049,294
- Issue date Sep 17, 1991
- Shell Oil Company
- Arie Van Zon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...