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.:

US 10081636 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 25, 2018

Filed:

Jul. 07, 2017
Applicant:

Cody Laboratories, Inc., Cody, WY (US);

Inventors:

Gnel Mkrtchyan, Cody, WY (US);

Iouri Voitsekhovski, Cody, WY (US);

Scott Michaels, Cody, WY (US);

Assignee:

Cody Laboratories, Inc., Cody, WY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 489/02 (2006.01); C07D 489/04 (2006.01); B01J 31/24 (2006.01);
U.S. Cl.
CPC ...
C07D 489/02 (2013.01); B01J 31/2414 (2013.01); B01J 2231/52 (2013.01); B01J 2531/822 (2013.01);
Abstract

Methods are provided for efficient preparation of hydromorphone or hydrocodone by redox isomerization of morphine or codeine allylic alcohols, respectively, using transition metal aminophosphine catalysts formed in situ.


Find Patent Forward Citations

Mkrtchyan, Gnel. (2018). Method for catalytic preparation of hydromorphone, hydrocodone, and other opiates (U.S. Patent No. 10081636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10081636

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

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