IP Library › Granted Patent US 6,554,871
Granted Patent Utility
US 6,554,871 · Confirmation No. 9161

OXIDATIVE HAIR DYE PRECURSOR COMPOSITIONS CONTAINING 4-5-DIAMINOPYRAZOLE, 5-AMINO-2-METHYLPHENOL AND M-PHENYLENEDIAMINE COMPOUNDS AND METHOD OF DYEING HAIR

Inventor: Hans-Juergen Braun
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2016-12-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-12-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-12-12 PA.. Power of Attorney 1 View
2016-12-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2016-12-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-12-12 TRAN.LET Transmittal Letter 1 View
2001-02-20 TRNA Transmittal of New Application 4 View
2001-02-20 SPEC Specification 13 View
2001-02-20 CLM Claims 6 View
2001-02-20 ABST Abstract 1 View
2001-02-20 OATH Oath or Declaration filed 2 View
2001-02-20 TRNA Transmittal of New Application 4 View
2001-02-20 SPEC Specification 13 View
2001-02-20 CLM Claims 6 View
2001-02-20 ABST Abstract 1 View
2001-02-20 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,554,871
App. No.
09/788,945
Filed
2001-02-20
Granted
2003-04-29
Pub. No.
US20010009044A1
Art Unit
1751
PTA
-26 days