Maryland's Defense Patent Database

The defense community in Maryland is an R&D powerhouse.

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Synthesis of intermediate anilino methyl esters used in the production of synthetic opioid analgesics

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An improved process or method of synthesis of carfentanil and other potent opioid analgesics of the N-alkyl 4-substituted 4-piperidinylamide class which can be used as morphine substitutes.

Inventors: 
Walz, Andrew J.; Hsu, Fu-lian
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2013-02-21
Grant Date: 
2014-06-03
Grant time: 
467 days
Grant time percentile rank: 
8
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
UNITED STATES OF AMERICA