Gerardus E. La Heij

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for making copolymers of aromatic vinyl compounds ADD conju...
- Patent number 4,948,849
- Issue date Aug 14, 1990
- Shell Internationale Research Maatschappij B.V.
- Robert J. Blythe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Copolymers of aromatic vinyl compounds and conjugated diolefins hav...
- Patent number 4,845,154
- Issue date Jul 4, 1989
- Shell Internationale Research Maatschappij B.V.
- Robert J. Blythe
- B60 - VEHICLES IN GENERAL