IP Library › Granted Patent US 6,570,019
Granted Patent Utility PCT National Stage
US 6,570,019 · Confirmation No. 2523

CATIONIC PYRROLO-PYRROL-DERIVATIVES, METHOD FOR PRODUCING THEM AND COLORANTS FOR KERATIN FIBRES, CONTAINING THESE COMPOUNDS

Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2001-10-10 TRNA Transmittal of New Application 2 View
2001-10-10 A.PE Preliminary Amendment 9 View
2001-10-10 SPEC Specification 41 View
2001-10-10 CLM Claims 3 View
2001-10-10 ABST Abstract 1 View
2001-10-10 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,570,019
App. No.
09/958,565
Filed
2001-10-10
Granted
2003-05-27
Pub. No.
US20030055268A1
Art Unit
1626
PTA
-158 days