Sebastianus J. Halkes

Person

Weesp, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Vitamin D analogs and methods of preparing these compounds
- Patent number 6,288,249
- Issue date Sep 11, 2001
- Kingdom of the Netherlands
- Sebastianus J. Halkes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vitamin D compounds and method of preparing these compounds
- Patent number RE36854
- Issue date Sep 5, 2000
- Duphar International Research B.V.
- Jose P. Sestelo
- 514 - Drug, bio-affecting and body treating compositions
Information Patent Grant
Method of preparing 16-dehydro vitamin D compounds
- Patent number 6,080,878
- Issue date Jun 27, 2000
- Duphar International Research B.V.
- Maria de los Angeles Rey
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vitamin D compounds and method of preparing these compounds
- Patent number 6,075,015
- Issue date Jun 13, 2000
- Duphar International Research B.V.
- Jose P. Sestelo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of C.sub.18 -modified vitamin D compounds and compounds r...
- Patent number 6,072,062
- Issue date Jun 6, 2000
- Duphar International Research B.V.
- Maria J. Valles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vitamin D compounds and method of preparing these compounds
- Patent number 5,929,056
- Issue date Jul 27, 1999
- Duphar International Research B.V.
- Antonio Mourino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vitamin D.sub.3 analogues having an unsaturated side chain
- Patent number 5,817,648
- Issue date Oct 6, 1998
- Duphar International Research B.V.
- Andrzej Kutner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vitamin D compound, method of preparing this compound and intermedi...
- Patent number 5,637,742
- Issue date Jun 10, 1997
- Duphar International Research B.V.
- Maria J. Valles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vitamin D compounds and method of preparing these compounds
- Patent number 5,449,668
- Issue date Sep 12, 1995
- Duphar International Research B.V.
- Jose P. Sestelo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vitamin D compound, method of preparing this compound and intermedi...
- Patent number 5,403,940
- Issue date Apr 4, 1995
- Duphar International Research B.V.
- Maria J. Valles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing hydrindane compounds and hydrindane-related com...
- Patent number 5,395,953
- Issue date Mar 7, 1995
- Duphar International Research B.V.
- Miguel A. Maestro
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the photochemical conversion of tachysterol compounds in...
- Patent number 5,175,217
- Issue date Dec 29, 1992
- Duphar International Research B.V.
- Eric Goethals
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Adduct-aldehyde and its use for the preparation of vitamin-D compounds
- Patent number 5,110,924
- Issue date May 5, 1992
- Duphar International Research B.V.
- Sebastianus J. Halkes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the photochemical conversion of tachysterol compounds in...
- Patent number 5,035,783
- Issue date Jul 30, 1991
- Duphar International Research B.V.
- Eric Goethals
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing 1 .alpha.-hydroxyvitamin D and 1 .alpha.-hydrox...
- Patent number 4,539,153
- Issue date Sep 3, 1985
- Duphar International Research B.V.
- Maurits Vandewalle
- C07 - ORGANIC CHEMISTRY

Sebastianus J. Halkes

Person

Patents Grantslast 30 patents

Vitamin D analogs and methods of preparing these compounds

Vitamin D compounds and method of preparing these compounds

Method of preparing 16-dehydro vitamin D compounds

Vitamin D compounds and method of preparing these compounds

Synthesis of C.sub.18 -modified vitamin D compounds and compounds r...

Vitamin D compounds and method of preparing these compounds

Vitamin D.sub.3 analogues having an unsaturated side chain

Vitamin D compound, method of preparing this compound and intermedi...

Vitamin D compounds and method of preparing these compounds

Vitamin D compound, method of preparing this compound and intermedi...

Method of preparing hydrindane compounds and hydrindane-related com...

Method for the photochemical conversion of tachysterol compounds in...

Adduct-aldehyde and its use for the preparation of vitamin-D compounds

Method for the photochemical conversion of tachysterol compounds in...

Method of preparing 1 .alpha.-hydroxyvitamin D and 1 .alpha.-hydrox...