Inventor · disambiguated record

Gerhard D. Van Wijngaarden

Also filed as: VAN WIJNGAARDEN GERHARD D

2 granted patents·46 citations·filing 1984–1988

64Inventor score

Technology areasC07C C10M

Files withSHELL OIL CO2

Top patents by PatentIndex Score

2 records

0182US4539126ABorated basic metal salt and lubricating oil compositionSHELL OIL CO·Filed 1984·Granted Sep 3, 1985·34 cites·4 claims
0268US4869837APreparation of a basic saltSHELL OIL CO·Filed 1988·Granted Sep 26, 1989·12 cites·19 claims

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