Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2008-06-03
2008-06-03
Andres, Janet L. (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C546S223000, C546S224000
Reexamination Certificate
active
07381735
ABSTRACT:
The subject invention concerns analogs of fentanyl opioids. The subject invention also concerns methods for synthesizing the compounds of the invention. The invention also concerns methods for treating pain in a patient by administering a compound of the invention to a person in need of such treatment.
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Andres Janet L.
ARYX Therapeutics
Covington Raymond
McDonnell Boehnen & Hulbert & Berghoff LLP
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