Process for purifying unsaturated carboxylic acids using distill

Details Process for purifying unsaturated carboxylic acids using distill Process for purifying unsaturated carboxylic acids using distill

1994-03-28

1996-06-04

Dess, Jose G.

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

Organic compounds

Carboxylic acids and salts thereof

562600, C07B 3504, C07C 5142, C07C 5100

Patent

active

055234801

ABSTRACT:
A process for the preparation of an .alpha.,.beta.-unsaturated C.sub.3 -C.sub.6 carboxylic acid of greater than 98% purity, which combines fractional distillation and melt crystallization procedures.

REFERENCES:
patent: Re32241 (1986-09-01), Saxer
patent: 4671857 (1987-06-01), Johnson
patent: 4780568 (1988-10-01), Pascoe
N. P. Wynn, Separate Organics by Melt Crystallization, Chem. Eng. Progress, 88(3), 55-57, (1992).
N. P. Wynn, Chem. Eng. Progress, 88(3), 52-60 (1992).
Khim. Prom. (2) 106-109 (1979).
Khim. Prom. (8) 486-488 (1984).

Affiliated with

Also associated with

Rating

Process for purifying unsaturated carboxylic acids using distill 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 purifying unsaturated carboxylic acids using distill, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for purifying unsaturated carboxylic acids using distill will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-384887