IP Library › Granted Patent US 6,685,751
Granted Patent Utility
US 6,685,751 · Confirmation No. 4639

SUBSTITUTED 1,4-DIAMINOBENZENE COMPOUNDS AND OXIDATION DYE PRECURSOR COMPOSITIONS CONTAINING SAME

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2016-12-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-12-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-12-06 PA.. Power of Attorney 1 View
2016-12-06 TRAN.LET Transmittal Letter 1 View
2016-12-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-12-06 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2003-12-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-09-20 TRNA Transmittal of New Application 4 View
2002-09-20 A.PE Preliminary Amendment 3 View
2002-09-20 SPEC Specification 35 View
2002-09-20 CLM Claims 15 View
2002-09-20 ABST Abstract 1 View
2002-09-20 OATH Oath or Declaration filed 3 View
2002-09-20 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,685,751
App. No.
10/251,765
Filed
2002-09-20
Granted
2004-02-03
Pub. No.
US20030110578A1
Art Unit
1751
PTA
0 days