Inventor · disambiguated record
Sebastianus J. Halkes
Also filed as: HALKES SEBASTIANUS · HALKES SEBASTIANUS J
15 granted patents·310 citations·filing 1984–1998
94Inventor score
Top patents by PatentIndex Score
15 records- 0191US5637742AVitamin D compound, method of preparing this compound and intermediate thereforDUPHAR INT RES·Filed 1994·Granted Jun 10, 1997·43 cites·2 claims
- 0290US6075015AVitamin D compounds and method of preparing these compoundsDUPHAR INT RES·Filed 1997·Granted Jun 13, 2000·39 cites·15 claims
- 0389US5449668AVitamin D compounds and method of preparing these compoundsDUPHAR INT RES·Filed 1993·Granted Sep 12, 1995·33 cites·12 claims
- 0487US5403940AVitamin D compound, method of preparing this compound and intermediate thereofDUPHAR INT RES·Filed 1994·Granted Apr 4, 1995·30 cites·11 claims
- 0577US5929056AVitamin D compounds and method of preparing these compoundsDUPHAR INT RES·Filed 1995·Granted Jul 27, 1999·51 cites·8 claims
- 0675US5817648AVitamin D3 analogues having an unsaturated side chainDUPHAR INT RES·Filed 1996·Granted Oct 6, 1998·45 cites·15 claims
- 0772US4539153AMethod of preparing 1 α-hydroxyvitamin D and 1 α-hydroxyprevitamin D compounds, and adducts of a previtamin D or tachysterol compound with a suitable dienophileDUPHAR INT RES·Filed 1984·Granted Sep 3, 1985·15 cites·34 claims
- 0858US6072062ASynthesis of C18 -modified vitamin D compounds and compounds resulting therefromDUPHAR INT RES·Filed 1997·Granted Jun 6, 2000·12 cites·3 claims
- 0957USRE36854EVitamin D compounds and method of preparing these compoundsDUPHAR INT RES·Filed 1997·Granted Sep 5, 2000·5 cites·12 claims
- 1057US5035783AMethod for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compoundsDUPHAR INT RES·Filed 1989·Granted Jul 30, 1991·12 cites·9 claims
- 1149US6080878AMethod of preparing 16-dehydro vitamin D compoundsDUPHAR INT RES·Filed 1998·Granted Jun 27, 2000·13 cites·1 claims
- 1240US6288249B1Vitamin D analogs and methods of preparing these compoundsKINGDOM OF THE NETHERLANDS·Filed 1997·Granted Sep 11, 2001·10 cites·9 claims
- 1336US5110924AAdduct-aldehyde and its use for the preparation of vitamin-d compoundsDUPHAR INT RES·Filed 1990·Granted May 5, 1992·2 cites·1 claims
- 1425US5175217AMethod for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds using a polymeric photoinitiatorDUPHAR INT RES·Filed 1990·Granted Dec 29, 1992·0 cites·3 claims
- 1520US5395953AMethod of preparing hydrindane compounds and hydrindane-related compoundsDUPHAR INT RES·Filed 1993·Granted Mar 7, 1995·0 cites·3 claims
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