Water-soluble aminonaphthol disazo dyestuffs, their preparation

Details Water-soluble aminonaphthol disazo dyestuffs, their preparation Water-soluble aminonaphthol disazo dyestuffs, their preparation

1989-03-27

1990-11-27

Higel, Floyd D.

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

Organic compounds

Azo

534823, 534824, 534826, 534561, 106 22, C09B 3508, C09B 3510, C09B 3514, C09B 3516

Patent

active

049736728

ABSTRACT:
Coloring natural or synthetic fiber material containing hydroxyls or nitrogen is achieved by printing or dyeing the fiber material with a water-soluble disazo dyestuff of the formula ##STR1## wherein R.sup.1 is alkyl, alkoxy or alkoxyethoxy, each having 3-6 carbon atoms, B.sup.1 is the radical of a 1-amino-8-hydroxynaphthalene monosulphonic or disulphonic acid and B.sup.2 is the same as B.sup.1 or another napthyl moiety.

REFERENCES:
patent: 498759 (1893-06-01), Bamman et al.
patent: 498873 (1893-06-01), Bamman et al.
patent: 501160 (1893-07-01), Pfitzinger
patent: 512493 (1894-01-01), Ulrich et al.
patent: 556298 (1896-03-01), Bamman et al.
patent: 579773 (1897-03-01), Rudolph
patent: 888036 (1908-05-01), Ris et al.
patent: 2036159 (1936-03-01), Mendosa
patent: 2400092 (1946-05-01), Anderson
43 304 04-1933 Switzerland Gesellschaft I 534 824 0 1.
43 307 07-1933 Switzerland Gesellschaft II 534 824 0 1.
Colour Index, 3rd Edition, vol. 4, pp. 4175 to 4179, 4195 to 4198, and 4204 to 4209 (1971).

Affiliated with

Also associated with

Rating

Water-soluble aminonaphthol disazo dyestuffs, their 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 Water-soluble aminonaphthol disazo dyestuffs, their preparation , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water-soluble aminonaphthol disazo dyestuffs, their preparation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1032451