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:
Oct. 03, 2017
Filed:
Mar. 02, 2016
Applicants:
Purdue Pharma L.p., Stamford, CT (US);
The P.f. Laboratories, Inc., Totowa, NJ (US);
Purdue Pharmaceuticals L.p., Wilson, NC (US);
Rhodes Technologies, Coventry, RI (US);
Inventors:
Robert Chapman, Downingtown, PA (US);
Lonn S. Rider, Foster, RI (US);
Qi Hong, Sharon, MA (US);
Donald Kyle, Yardley, PA (US);
Robert Kupper, East Greenwich, RI (US);
Assignees:
PURDUE PHARMA L.P., Stamford, CT (US);
THE P.F. LABORATORIES, INC., Totowa, NJ (US);
PURDUE PHARMACEUTICALS L.P., Wilson, NC (US);
RHODES TECHNOLOGIES, Coventry, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/485 (2006.01); C07D 489/08 (2006.01); C07D 489/02 (2006.01); A61K 9/20 (2006.01); A61K 9/48 (2006.01); A61K 9/14 (2006.01); C07D 489/04 (2006.01);
U.S. Cl.
CPC ...
C07D 489/08 (2013.01); A61K 9/14 (2013.01); A61K 9/20 (2013.01); A61K 9/2095 (2013.01); A61K 9/48 (2013.01); A61K 9/4833 (2013.01); A61K 31/485 (2013.01); C07D 489/02 (2013.01); C07D 489/04 (2013.01);
Abstract
In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.