IP Library › Granted Patent US 9,273,060
Granted Patent B2
US 9,273,060 · App. 14/197,242 · Granted Mar 1, 2016

Processes for making hydrocodone, hydromorphone and their derivatives

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Quick Facts
Patent No.
US 9,273,060
App. No.
14/197,242
Granted
Mar 1, 2016
Kind
B2
Abstract

Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.

Claims (1)

1. A hydrocodone bitartrate composition wherein the composition is at least 99.9 area % pure, by HPLC, hydrocodone bitartrate and wherein the hydrocodone bitartrate is a hemipentahydrate.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2022
From: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
To: MACFARLAN SMITH LIMITED
Reel/Frame 061888/0166 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 23, 2014
From: MATHARU, SAROOP SINGH; GRANT, EWART; HEINRICH, BRIAN W.
To: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Reel/Frame 032738/0206 →