Cationic azo monomers or symmetric dimers, preparation...

Details Cationic azo monomers or symmetric dimers, preparation... Cationic azo monomers or symmetric dimers, preparation...

2007-06-26

2007-06-26

Powers, Fiona T. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C534S604000, C008S405000, C008S406000, C008S407000, C008S426000

Reexamination Certificate

active

11187812

ABSTRACT:
Disclosed herein are compounds of formulae (I) and (II) below, and also to processes for the synthesis thereof:Also disclosed herein are dye compositions comprising said compounds, as cationic direct dyes, and methods for dyeing keratin fibers, for example, human keratin fibers, using these compositions.

REFERENCES:
patent: 3524842 (1970-08-01), Grossmann et al.
patent: 4823985 (1989-04-01), Grollier et al.
patent: 6432146 (2002-08-01), Rondeau
patent: 0 630 946 (1994-12-01), None
patent: 0 668 327 (1995-08-01), None
patent: 1 533 643 (1968-07-01), None
patent: 2 096 377 (1972-02-01), None
patent: 2 586 913 (1987-03-01), None
patent: 1 195 386 (1970-06-01), None
French Search Report for FR 04 08186, dated Mar. 24, 2005, Examiner S. Fanni.
English language Derwent Abstract of EP 0 630 946 A1, Dec. 28, 1994.
English language Derwent Abstract of EP 0 668 327 A1, Aug. 23, 1995.
English language Derwent Abstract of FR 2 096 377, Feb. 18, 1972.

Affiliated with

Also associated with

Rating

Cationic azo monomers or symmetric dimers, preparation... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cationic azo monomers or symmetric dimers, preparation..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cationic azo monomers or symmetric dimers, preparation... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3881219