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.

Date of Patent:
Feb. 20, 2001

Filed:

Dec. 08, 1999
Applicant:
Inventors:

Jean-Claude Pascal, Nice, FR;

Maurits Vandewalle, Ghent, BE;

Philippe Maillos, Nice, FR;

Pierre De Clercq, Ghent, BE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ; C07D / ; C07F 7/00 ;
U.S. Cl.
CPC ...
C07C / ; C07C / ; C07D / ; C07D / ; C07F 7/00 ;
Abstract

The invention relates to precursors of the A-ring of vitamin D, of the formula (I):


Find Patent Forward Citations

Pascal, Jean-Claude. (2001). Precursors of the a-ring of vitamin d and method and intermediates for the preparation thereof (U.S. Patent No. 6191292). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6191292

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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