Recovery of hydroxy acids from trash

Details Recovery of hydroxy acids from trash Recovery of hydroxy acids from trash

C - Chemistry, Metallurgy

07

C

C07C 59/08 (2006.01) C07C 51/09 (2006.01) C07C 51/377 (2006.01) C07C 67/03 (2006.01) C07C 67/317 (2006.01) C07C 69/68 (2006.01) C07C 213/02 (2006.01)

Patent

CA 2098220

ABSTRACT OF THE DISCLOSURE This invention is a method for recovering hydroxy acid values from a poly(hydroxy acid) containing source, said method comprising, in order: (a) contacting the source with a solubilizing fluid in an amount of at least 1 mole of solubilizing fluid per mole of hydroxy acid equivalent present in the source, said solubilizing fluid selected from the group consisting of (1) water, (2) alcohols containing 1 to 6 carbon atoms, (3) mixtures of water and said alcohols, (4) amines of the formula HNR1R2, wherein R1 and R2 are independently selected from the group consisting of hydrogen and alkyl groups of 1-4 carbon atoms; (5) liquid media containing diamines of the formula H(R3)NR5N(R4)H, wherein R3 and R4 are independently selected from the group consisting of hydrogen and alkyl groups of 1-4 carbon atoms or are joined to form a heterocyclic ring, and R5 is alkylene of 2-12 carbon atoms or phenylene; and (6) mixtures of said amines and/or diamines with water and/or alcohols containing 1 to 6 carbon atoms. -20-

Affiliated with

Also associated with

Rating

Recovery of hydroxy acids from trash does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Recovery of hydroxy acids from trash, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Recovery of hydroxy acids from trash will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1624443