Process for the preparation of alkylene glycol

Details Process for the preparation of alkylene glycol Process for the preparation of alkylene glycol

2007-09-05

2008-12-09

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Oxygen containing

C568S867000

Reexamination Certificate

active

07462748

ABSTRACT:
A process for the preparation of an alkylene glycol, said process comprising reacting the corresponding alkylene carbonate with water in the presence of a catalyst, wherein the catalyst comprises bicarbonate as active phase, immobilized on a solid support, having one or more electropositive sites.

REFERENCES:
patent: 4117250 (1978-09-01), Foster et al.
patent: 4283580 (1981-08-01), Odanaka et al.
patent: 4691041 (1987-09-01), Duranleau et al.
patent: 4982021 (1991-01-01), Best et al.
patent: 6080897 (2000-06-01), Kawabe
patent: 6407279 (2002-06-01), Buchanan et al.
patent: 6479715 (2002-11-01), Strickler et al.
patent: 2003/0013929 (2003-01-01), Strickler et al.
patent: 2007/0151451 (2007-07-01), Rekers et al.
patent: 2007/0154377 (2007-07-01), Rekers
patent: 2007/0197801 (2007-08-01), Bolk et al.
patent: 2007/0197808 (2007-08-01), Bolk et al.
patent: 2007/0203348 (2007-08-01), Bolk et al.
patent: 2007/0203349 (2007-08-01), Bolk et al.
patent: 2007/0203350 (2007-08-01), Bolk et al.
patent: 2007/0203352 (2007-08-01), Bolk et al.
patent: 2007/0203372 (2007-08-01), Ramakers
patent: 2007/0203379 (2007-08-01), Bolk et al.
patent: 2007/0213545 (2007-09-01), Bolk et al.
patent: 2008/0097129 (2008-04-01), Van Kruchten
patent: 2008/0154051 (2008-06-01), Bolk et al.
patent: 2008/0154052 (2008-06-01), Bolk et al.
patent: 878901 (1980-01-01), None
patent: 889025 (1999-01-01), None
patent: 889025 (2002-04-01), None
patent: 2007659 (1979-05-01), None
patent: 2049668 (1980-12-01), None
patent: 57106631 (1982-07-01), None
patent: 59013741 (1984-01-01), None
patent: 63238043 (1988-04-01), None
patent: 63238043 (1988-10-01), None
Kirk Othmer's Encyclopedia of Chemical Technology, 4thedition, vol. 9, pp. 923-940.
Nishikubo, et al. in J. Polym. Sci., Part A: Polym. Chem., (1993) 31, 939-947.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4022376