Metal complex dyestuffs

Details Metal complex dyestuffs Metal complex dyestuffs

1975-01-29

1977-01-04

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 42B, 8 43, 8173, 8174, 260145A, 260145B, 260149, C09B 2700, C09B 4548, D06P 110

Patent

active

040009653

ABSTRACT:
1:2 METAL COMPLEX DYES IN THE FORM OF THE LITHIUM SALTS AND CONCENTRATED SOLUTIONS THEREOF ARE USED FOR THE PREPARATION OF DYE BATHS AND PRINTING PASTES FOR DYEING AND PRINTING FIBROUS MATERIALS CONTAINING NITROGEN. The concentrated solutions are obtained by chromating the non-metallized dyes in hydroxyl group containing solvents in the presence of alkaline lithium salts with chromium acetate or chromium formate.

REFERENCES:
patent: 3617176 (1971-11-01), Machatzke
patent: 3625937 (1971-12-01), Scholl
patent: 3704086 (1972-11-01), Bayew et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-250369