IP Library › Granted Patent US 6,699,990
Granted Patent Utility PCT National Stage
US 6,699,990 · Confirmation No. 7074

3-(2,5-DIAMINOPHENYL)-ACRYLAMIDE DERIVATIVES AND COLOURING AGENTS CONTAINING SAID COMPOUNDS

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2002-10-21 A.PE Preliminary Amendment 31 View
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2002-10-21 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,699,990
App. No.
10/258,320
Filed
2002-10-21
Granted
2004-03-02
Pub. No.
US20030140431A1
Art Unit
1626
PTA
0 days