Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-04-21
1993-11-09
Dentz, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549231, 549239, 549245, 549247, 549262, 502 81, 502 82, 502 83, C07D30760
Patent
active
052604560
ABSTRACT:
A process for producing anhydrides by passing a solution of the acid, preferably an organic polyacid, which is to undergo anhydridation over an acidified clay and a process for producing the catalysts therefor.
REFERENCES:
patent: 2981697 (1961-04-01), Mickelson et al.
patent: 3704329 (1972-11-01), Rindtorff et al.
McCabe et al., Clay-and Zeolite-catalysed Cyclic Anhydride Formation, 356 J. Chem. Research (S), 1985 pp. 356-357.
Franz et al., Katalysatoren auf der Basis saureaktivierter Bentonite, Erdol und Kohle, 12 Jahrg./Mai 1959, Nr. 5, pp. 335-339.
Gunther, Chem. Abs. 55 25 234b Notification from European Patent Office, Feb. 4, 1991 with attached Rapport De Recherche Europeenne, EP 88 40 2809.
Cram and Hammond, Organic Chemistry, McGraw-Hill, N.Y., pp. 310-311 (1959).
McCabe et al., J. Chem. Research (S), pp. 356-357 (1985).
Alas Michel
Gubelmann Michel
Popa Jean-Michel
Dentz Bernard
Rhone-Poulenc Chimie
LandOfFree
Process for producing itaconic anhydride 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 producing itaconic anhydride, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing itaconic anhydride will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1144302