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:
Dec. 15, 2015
Filed:
Jul. 22, 2009
Applicants:
Thomas Bader, Zürich, CH;
Alfred Stutz, Zürich, CH;
Hans-ulrich Bichsel, Hörhausen, CH;
Changchun Fu, Zürich, CH;
Inventors:
Thomas Bader, Zürich, CH;
Alfred Stutz, Zürich, CH;
Hans-Ulrich Bichsel, Hörhausen, CH;
Changchun Fu, Zürich, CH;
Assignees:
AZAD PHARMACEUTICALS INGREDIENTS AG, Schaffhausen, CH;
UNIVERSITAT ZURICH, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 401/00 (2006.01); C07C 317/18 (2006.01); C07C 323/12 (2006.01);
U.S. Cl.
CPC ...
C07C 401/00 (2013.01); C07C 317/18 (2013.01); C07C 323/12 (2013.01);
Abstract
The present invention is directed to novel processes for the preparation of paricalcitol to novel intermediates used in these processes, and to processes for preparation of the novel intermediates.