Disazo dyestuffs

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

260174, 260178, 260184, 260206, C09B 3106, D06P 324

Patent

active

039975223

ABSTRACT:
Disazo dyestuffs which in the form of the free acid correspond to the general formula ##STR1## wherein R denotes an alkyl radical with 1-4 carbon atoms, X represents hydrogen or a methyl group and Y represents hydrogen or an alkyl radical with 1-4 carbon atoms, and the ring A can be substituted by chlorine or alkyl groups with 1-4 C atoms.
The dyestuffs are especially suitable for dyeing polyamide fibers from neutral to weakly acid dyebaths. The dyeings are of good light fastness.

REFERENCES:
patent: 2134521 (1938-10-01), Knight
patent: 2497246 (1950-02-01), Von Glahn
patent: 2782185 (1957-02-01), Merian
patent: 3100769 (1963-08-01), Gaetani
patent: 3186787 (1965-06-01), Gies et al.
patent: 3274172 (1966-09-01), Koike et al.
patent: 3485814 (1969-12-01), Speck
patent: 3523935 (1970-08-01), Armento et al.
patent: 3594363 (1971-07-01), Stingl
patent: 3676050 (1972-07-01), James
patent: 3725384 (1973-04-01), Zickendraht et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Disazo dyestuffs does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Disazo dyestuffs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disazo dyestuffs will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1344071

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.