Process for preparing thio-indigo dyestuffs

Details Process for preparing thio-indigo dyestuffs Process for preparing thio-indigo dyestuffs

1978-11-13

1980-10-21

Siegel, A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C09B 700

Patent

active

042295831

ABSTRACT:
Thioindigo and its derivatives are obtained in high yield and excellent purity by oxidizing corresponding 3-hydroxythionaphthenes with peroxo-disulfate in an aqueous alkaline solution.

REFERENCES:
patent: 2158032 (1939-05-01), Lubs
patent: 2173506 (1939-09-01), Cole
Rose "The Condensed Chem. Dict." (1956), 5th ed. p. 74.

Affiliated with

Also associated with

Rating

Process for preparing thio-indigo 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 Process for preparing thio-indigo dyestuffs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing thio-indigo dyestuffs will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2024078