Inventor · disambiguated record
Johannes G. M. Nieuwkamp
Also filed as: NIEUWKAMP JOHANNES G M
4 granted patents·58 citations·filing 1979–1996
71Inventor score
Top patents by PatentIndex Score
4 records- 0179US5824400APlastic article and process for the preparation thereofDSM NV·Filed 1996·Granted Oct 20, 1998·54 cites·22 claims
- 0253US4193925AProcess for preparing 2-pyrrolidoneSTAMICARBON·Filed 1979·Granted Mar 18, 1980·3 cites·5 claims
- 0335US4325872AProcess for the preparation of a 2-pyrrolidoneSTAMICARBON·Filed 1980·Granted Apr 20, 1982·1 cites·5 claims
- 0425US4279820AProcess for preparing 2-pyrrolidonesSTAMICARBON·Filed 1980·Granted Jul 21, 1981·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →