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PROCESS FOR DYEING KERATINOUS FIBRES COMBINING ISATIN OR ITS DERIVATIVES WITH A TRI-, TETRA- OR PENTASUBSTITUTED ANILINE OR WITH A BISPHENYLALKYLENEDIAMINE, AND DYEING AGENTS

07/845,586 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed March 4, 1992
Examiner WILLIAM PARKS
Class 008
Art Group 1105
Patent No. 5,261,926
Case Type Utility - 008/405000
Status Patented Case
Child 91-02615
Last Updated: 4 years, 6 months ago
Date # Transaction