Hendrik Tijmen Verkouw

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Sittingbourne, GB

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Patents Grantslast 30 patents

Information Patent Grant
Polyolefin-substituted dicarboxylic derivatives
- Patent number 6,268,439
- Issue date Jul 31, 2001
- Shell Oil Company
- Michael Thomas Clark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyolefin-substituted dicarboxylic derivatives
- Patent number 5,900,466
- Issue date May 4, 1999
- Shell Oil Company
- Michael Thomas Clark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkenyl-substituted dicarboxylic derivatives
- Patent number 5,736,492
- Issue date Apr 7, 1998
- Shell Oil Company
- Michael Thomas Clark
- C07 - ORGANIC CHEMISTRY