Process for purifying 2-keto-L-gulonic acid

Details Process for purifying 2-keto-L-gulonic acid Process for purifying 2-keto-L-gulonic acid

1999-08-02

2000-11-28

Richter, Johann

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

Organic compounds

Carboxylic acids and salts thereof

562577, C07C 5142, C07C 59105

Patent

active

061537918

ABSTRACT:
The present invention relates to a process for the purification of 2-keto-L-gulonic acid by continuous liquid chromatography using a weakly basic ion exchange resin.

REFERENCES:
patent: 2223797 (1940-12-01), Trindall
patent: 2421611 (1947-06-01), Gray
patent: 2539472 (1951-01-01), Ratchford et al.
patent: 2650248 (1953-08-01), Collier
patent: 2664441 (1953-12-01), Owens et al.
patent: 2697724 (1954-12-01), Collier
patent: 2710880 (1955-06-01), Filachione et al.
patent: 3086928 (1963-04-01), Schulz
patent: 3234105 (1966-02-01), Motizuki et al.
patent: 3531463 (1970-09-01), Gustafson
patent: 3780097 (1973-12-01), Doss et al.
patent: 3907639 (1975-09-01), Makover et al.
patent: 3912592 (1975-10-01), Makover et al.
patent: 3944606 (1976-03-01), Rieger et al.
patent: 4250331 (1981-02-01), Shimshick
patent: 4275234 (1981-06-01), Baniel et al.
patent: 4282323 (1981-08-01), Yates
patent: 4308398 (1981-12-01), Borchert
patent: 4323702 (1982-04-01), Kawabata et al.
patent: 4334095 (1982-06-01), Baniel
patent: 4405717 (1983-09-01), Urbas
patent: 4444881 (1984-04-01), Urbas
patent: 4522726 (1985-06-01), Berry et al.
patent: 4698303 (1987-10-01), Bailey et al.
patent: 4705894 (1987-11-01), Su et al.
patent: 4724262 (1988-02-01), Shimbo et al.
patent: 4764276 (1988-08-01), Berry et al.
patent: 4808317 (1989-02-01), Berry et al.
patent: 4874700 (1989-10-01), Seipenbusch
patent: 4877735 (1989-10-01), Nogami et al.
patent: 4879412 (1989-11-01), Iwasaki et al.
patent: 4892823 (1990-01-01), Imai et al.
patent: 4902828 (1990-02-01), Wickenhaeuser et al.
patent: 4933289 (1990-06-01), Imai et al.
patent: 4935359 (1990-06-01), Yin et al.
patent: 4960695 (1990-10-01), Hoshino et al.
patent: 4990441 (1991-02-01), Barthole et al.
patent: 4994609 (1991-02-01), Baniel et al.
patent: 5032686 (1991-07-01), Duflot et al.
patent: 5041645 (1991-08-01), Alon et al.
patent: 5069883 (1991-12-01), Matonte
patent: 5089664 (1992-02-01), Dalcanale et al.
patent: 5132456 (1992-07-01), King et al.
patent: 5194130 (1993-03-01), Byszewski et al.
patent: 5202476 (1993-04-01), Tsuda et al.
patent: 5210294 (1993-05-01), Mantovani et al.
patent: 5210296 (1993-05-01), Cockrem et al.
patent: 5231225 (1993-07-01), Baniel et al.
patent: 5237098 (1993-08-01), Bemish et al.
patent: 5278339 (1994-01-01), Cook
patent: 5312741 (1994-05-01), Hoshino et al.
patent: 5391770 (1995-02-01), Le Fur
patent: 5391771 (1995-02-01), Weyer et al.
patent: 5426219 (1995-06-01), Lehnhardt et al.
patent: 5510526 (1996-04-01), Baniel et al.
patent: 5522995 (1996-06-01), Cockrem
Manual, Advanced Separation Technologies, Inc., pp. 1a, 1b, 1c, 1d, 2a, 2b, 3-9a, 9b-9g, 10-24a, 24b and 24c (1996).
Reichstein, T., and Grussner, A., "Eine ergiebige Synthese der 1-Ascorbinsaure (C-Vitamin)," Helvetica Chimica Acta 17:311-328 (1934).
Derwent WPI Database (English Translation) for JP 2-121947, printed Nov. 12, 1999, pp. 1-2.
Derwent WPI Database (English Translation) for JP 2-121948, printed Nov. 12, 1999, p. 1.
Derwent WPI Database (English Translation) for EP 0 805 210 A2, printed Nov. 12, 1999, pp. 1-2.
Patent Abstracts of Japan (English translation) for JP 55-124735, printed Nov. 2, 1999, pp. 1-2.
Patent Abstracts of Japan (English translation) for JP 4-320691, printed Nov. 2, 1999, pp. 1-2.

Affiliated with

Also associated with

Rating

Process for purifying 2-keto-L-gulonic acid 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 2-keto-L-gulonic acid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for purifying 2-keto-L-gulonic acid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1727278