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:
May. 31, 2016
Filed:
Jan. 12, 2015
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Robert R. Hogan, West Grove, PA (US);
Ronald Rossi, Forest, VA (US);
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/74 (2006.01); C07C 405/00 (2006.01); C07D 307/93 (2006.01); C07D 307/937 (2006.01); C07C 69/732 (2006.01); C07C 323/56 (2006.01);
U.S. Cl.
CPC ...
C07C 405/00 (2013.01); C07C 69/732 (2013.01); C07C 323/56 (2013.01); C07D 307/93 (2013.01); C07D 307/937 (2013.01); C07C 2101/08 (2013.01); C07C 2103/14 (2013.01); Y02P 20/544 (2015.11);
Abstract
The present invention provides a method for the purification of a prostaglandin by supercritical fluid chromatography, said method comprising the use of a stationary phase and a mobile phase comprising carbon dioxide, provided that when the stationary phase is unmodified silica gel, the prostaglandin is not luprostiol. The invention also provides prostaglandins obtainable by the method.