The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 1993
Filed:
Feb. 18, 1992
Applicant:
Inventors:
Roger Bouillon, Herent, BE;
Pierre J De Clerco, Gent, BE;
Pierre Eliard, Bruxelles, BE;
Maurits Vanderwalle, Gent, BE;
Assignee:
Ire-Medgenix S.A., Fleurus, BE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; G01N / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
435-8 ; 435 14 ; 435 21 ; 435 28 ; 436 56 ; 436804 ; 556449 ; 558155 ; 558156 ; 558194 ; 558428 ; 560194 ; 560231 ; 562498 ; 564188 ; 564310 ; 564454 ; 564456 ; 564458 ; 568 33 ; 568 37 ; 568 62 ; 568441 ; 568591 ; 568665 ; 568704 ; 568712 ; 568713 ; 568819 ;
Abstract
Vitamin D derivatives corresponding to the following formula I ##STR1## in which R.sub.1 denotes a substituted alkyl group having 1 to 15 carbon atoms, in particular the side chains of vitamin D.sub.2 (C.sup.20 to C.sup.28) or D.sub.3 (C.sup.20 to C.sup.27), or these same chains partially modified,