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. 20, 2014
Filed:
Jun. 16, 2008
Applicants:
Christopher W. Grote, Webster Groves, MO (US);
Brian Orr, O'Fallon, MO (US);
Tao Jiang, St. Louis, MO (US);
Gary L. Cantrell, Troy, IL (US);
Inventors:
Christopher W. Grote, Webster Groves, MO (US);
Brian Orr, O'Fallon, MO (US);
Tao Jiang, St. Louis, MO (US);
Gary L. Cantrell, Troy, IL (US);
Assignee:
Mallinckrodt LLC, Hazelwood, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 489/02 (2006.01);
U.S. Cl.
CPC ...
C07D 489/02 (2013.01);
Abstract
The present invention is directed to the reduction of an N-imine moiety or a hemiaminal moiety of a morphinan in the presence of a ruthenium, rhodium, or iridium asymmetric catalyst and a hydrogen source.
Grote, Christopher. (2014). Preparation of n-alkylated opiates by reductive amination (U.S. Patent No. 8729266). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8729266
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile