Process for preparing aromatic hydroxycarboxylic acids

Details Process for preparing aromatic hydroxycarboxylic acids Process for preparing aromatic hydroxycarboxylic acids

C - Chemistry, Metallurgy

07

C

260/318, 260/513

C07C 65/01 (2006.01) C07C 51/15 (2006.01) C07D 209/88 (2006.01)

Patent

CA 1194491

Abstract of the Disclosure Aromatic hydroxycarboxylic acids are prepared by reacting an alkali metal salt of an aromatic hydroxy compound in solid phase with carbon dioxide, by reacting an alkali metal salt of an aromatic hydroxy compound in the form of granules in a fluidized bed with carbon dioxide, if desired under elevated pressure, at first at temperatures of 20 to 130°c until at least 40 % of the hydroxy compound has been converted into the correspond carbonate, then completing the reaction at temperatures of 135 to 300°C, and then converting the reaction product obtained into the free acid.

424093

Affiliated with

Also associated with

Rating

Process for preparing aromatic hydroxycarboxylic acids 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 preparing aromatic hydroxycarboxylic acids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing aromatic hydroxycarboxylic acids will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1191837