Syntheses of ureas

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C514S343000, C514S597000, C546S194000, C546S278400, C564S050000

Reexamination Certificate

active

11032227

ABSTRACT:
The present invention provides intermediates, synthetic methods and novel urea compositions of matter.

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International Search Report and Written Opinion mailed Jan. 14, 2005, for Application No. PCT/US04/01069, filed Jan. 14, 2004.

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