PROCESS FOR THE PROVISION OF A PLANT EXTRACT CONTAINING...

Details PROCESS FOR THE PROVISION OF A PLANT EXTRACT CONTAINING... PROCESS FOR THE PROVISION OF A PLANT EXTRACT CONTAINING...

2005-10-18

2005-10-18

Coe, Susan (Department: 1654)

Drug, bio-affecting and body treating compositions

Plant material or plant extract of undetermined constitution...

Reexamination Certificate

active

06955826

ABSTRACT:
A process for obtaining a plant extract containing condensed tannins, with astringent characteristics, and modified by copolymerization, produces a material suitable for the tanning and retanning of skins. The process includes adding water to a reactor, adding a copolymerization agent, adding thioglycolic acid and allowing to react, adjusting pH, mixing a powdered extract of a plant or tannin to a desired concentration, raising the temperature, adding sodium bisulfite, and keeping the reaction heated and at pressure for about 4 hours.

REFERENCES:
patent: 4579927 (1986-04-01), Patel et al.

Affiliated with

Also associated with

Rating

PROCESS FOR THE PROVISION OF A PLANT EXTRACT CONTAINING... 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 THE PROVISION OF A PLANT EXTRACT CONTAINING..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and PROCESS FOR THE PROVISION OF A PLANT EXTRACT CONTAINING... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3470240