Inventor · disambiguated record
Hendrik A. Witkamp
Also filed as: WITKAMP HENDRIK A
6 granted patents·29 citations·filing 1988–1992
81Inventor score
Technology areasC07D
Files withGIST BROCADES NV6
Top patents by PatentIndex Score
6 records- 0168US5359058ACephem derivativesGIST BROCADES NV·Filed 1992·Granted Oct 25, 1994·10 cites·2 claims
- 0264US4921954AProcess for the preparation of cephem compoundsGIST BROCADES NV·Filed 1988·Granted May 1, 1990·6 cites·2 claims
- 0360US5164494ACephalosporin derivativesGIST BROCADES NV·Filed 1989·Granted Nov 17, 1992·5 cites·2 claims
- 0454US4985554AProcess for the preparation of 3-exomethylene cepham derivativesGIST BROCADES NV·Filed 1988·Granted Jan 15, 1991·3 cites·8 claims
- 0550US5109132AProcess for the preparation of 3-exomethylene cepham derivativesGIST BROCADES NV·Filed 1990·Granted Apr 28, 1992·3 cites·4 claims
- 0649US4994454ACepham derivativesGIST BROCADES NV·Filed 1989·Granted Feb 19, 1991·2 cites·3 claims
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