Process for the production of alkylene carbonate

Details Process for the production of alkylene carbonate Process for the production of alkylene carbonate

1987-06-19

1989-10-31

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31736, C07D31738

Patent

active

048778869

ABSTRACT:
Cyclic alkylene carbonates are produced by the homogeneous catalytic reaction of alkylene oxides with carbon dioxide during which process, polyglycols are formed. The catalyst is separated by distallation from the alkylene carbonate and is recycled to the reaction while associated with polyglycols. A purge stream is removed from the recycle to prevent an undue concentration of polyglycols in the reaction and catalyst is separated from the purge stream by acylation of the polyglycols enabling precipitation of the catalyst.

REFERENCES:
patent: 2667497 (1954-01-01), Cline
patent: 2773070 (1954-12-01), Lichtenwalter et al.
patent: 2924608 (1960-02-01), Mills
patent: 3148214 (1964-09-01), Smith
patent: 4042675 (1977-08-01), Yamamoto et al.
patent: 4113831 (1978-09-01), Orth et al.
patent: 4314945 (1982-02-01), McMullen et al.
patent: 4487698 (1984-12-01), Idel et al.
Japanese Patent Application Kokai No. 23175/63, (10-31-63).
USSR Author's Certificate No. 170,529, published 4/23/65 by S. Z. Levin and A. L. Shapiro.

Affiliated with

Also associated with

Rating

Process for the production of alkylene carbonate 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 production of alkylene carbonate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of alkylene carbonate will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-626959