Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-08-07
2007-08-07
Owens, Amelia A. (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C549S286000
Reexamination Certificate
active
11101714
ABSTRACT:
The subject invention provides anticoagulant compounds of formula I:and pharmaceutically acceptable salts thereof, wherein R1, R3, n and Ar are as defined herein. The compounds of the subject invention can be used to treat at-risk populations thereby bringing relief of symptoms, improving the quality of life, preventing acute and long-term complications, reducing mortality and treating accompanying disorders. The invention further comprises pharmaceutical compositions comprising the compounds and salts of the invention, as well as methods of using the compounds, salts, and compositions of the invention.
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Sullivan, WR, ‘Hydroxycoumarins. II. The condensation of aldehydes with4-hydroxycoumarins’ CA 38:5011□□OREF 38:742a-g (1944).
Becker Cyrus
Druzgala Pascal
Aryx Therapeutics
McDonnell Boehnen & Hulbert & Berghoff LLP
Owens Amelia A.
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