Inventor · disambiguated record
Jan Verweij
Also filed as: VERWEIJ JAN
19 granted patents·113 citations·filing 1974–2009
94Inventor score
Top patents by PatentIndex Score
19 records- 0181US4003894APreparation of 7-substituted amino-desacetoxycephalosporanic acid compoundsGIST BROCADES NV·Filed 1975·Granted Jan 18, 1977·13 cites·26 claims
- 0273US8276526B2Adjusting deviceVERWEIJ JAN·Filed 2009·Granted Oct 2, 2012·9 cites·19 claims
- 0373US4007202AAzetidine derivativesGIST BROCADES NV·Filed 1975·Granted Feb 8, 1977·7 cites·10 claims
- 0468US5359058ACephem derivativesGIST BROCADES NV·Filed 1992·Granted Oct 25, 1994·10 cites·2 claims
- 0564US5792794ARetinoylamide based derivatives of sphingoid basesGIST BROCADES NV·Filed 1996·Granted Aug 11, 1998·8 cites·8 claims
- 0664US4921954AProcess for the preparation of cephem compoundsGIST BROCADES NV·Filed 1988·Granted May 1, 1990·6 cites·2 claims
- 0760US4035352APreparation of 7-substituted amino-desacetoxycephalosporanic acid compoundsGIST BROCADES NV·Filed 1975·Granted Jul 12, 1977·4 cites·12 claims
- 0859US4695627ACephalosporin deoxygenation processGIST BROCADES NV·Filed 1984·Granted Sep 22, 1987·6 cites·37 claims
- 0958US4000129A6-aminopenicillanic acid sulfoxide silyl estersKONINKLIJKE GIST SPIRITUS·Filed 1974·Granted Dec 28, 1976·4 cites·13 claims
- 1054US4985554AProcess for the preparation of 3-exomethylene cepham derivativesGIST BROCADES NV·Filed 1988·Granted Jan 15, 1991·3 cites·8 claims
- 1152US5795733AProcess for the efficient production of 7-ADCA via 3-(carboxyethylthio) propionyl-7-ADCAGIST BROCADES BV·Filed 1994·Granted Aug 18, 1998·5 cites·15 claims
- 1252US4046761AProcess for preparing cephalosporin derivativesGIST BROCADES NV·Filed 1976·Granted Sep 6, 1977·2 cites·3 claims
- 1350US5109132AProcess for the preparation of 3-exomethylene cepham derivativesGIST BROCADES NV·Filed 1990·Granted Apr 28, 1992·3 cites·4 claims
- 1449US4994454ACepham derivativesGIST BROCADES NV·Filed 1989·Granted Feb 19, 1991·2 cites·3 claims
- 1546US5693677ACeramide 3 derivatives based on monounsaturated fatty acidsGIST BROCADES NV·Filed 1995·Granted Dec 2, 1997·9 cites·31 claims
- 1645US5726032AProcess for the efficient production of 7-ADCA via 2-(carboxyethylthio)acetyl-7-ADCA and 3-(carboxymethylthio)propionyl-7-ADCAGIST BROCADES BV·Filed 1994·Granted Mar 10, 1998·8 cites·4 claims
- 1743US6054599APhytosphingosine-based ceramide I analogsDSM NV·Filed 1998·Granted Apr 25, 2000·4 cites·14 claims
- 1842US5919960APhytosphingosine-based ceramide I analogsGIST BROCADES BV·Filed 1994·Granted Jul 6, 1999·4 cites·16 claims
- 1941US5840940ALinoleoylamide based ceramide derivative and its use in cosmetic preparations for the treatment of dry skinGIST BROCADES BV·Filed 1995·Granted Nov 24, 1998·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →