C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 39/12 (2006.01) C07C 37/20 (2006.01) C07C 37/82 (2006.01) C07C 39/16 (2006.01) C07C 39/367 (2006.01)
Patent
CA 2090655
ABSTRACT PROCESS FOR PREPARING A BISPHENOL Bisphenols are prepared by a) reacting a phenolic compound with a carbonyl compound in a reaction mixture, containing the carbonyl compound, a stoichiometric excess of the phenolic compound and a catalyst, to produce a product mixture containing a bisphenol, b) separating bisphenol from the product mixture to leave a mother liquor and c) recycling at least a portion of the mother liquor to the reaction mixture. At least a portion of the phenolic compound is contacted with a strongly acidic cation exchange resin and a strongly basic anion exchange resin before the phenolic compound is used in the reaction step a) and/or at least a portion of the product mixture and/or at least a portion or the mother liquor is contacted with a strongly acidic cation exchange resin and a strongly basic anion exchange resin before mother liquor is recycled to the reaction mixture. C-39,076
Frey Johann-Wilhelm
Gressmann Jochen
Patrascu Emil
Tank Dieter
Wallbaum Ulrich
Smart & Biggar
The Dow Chemical Company
LandOfFree
Process for preparing a bisphenol 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 a bisphenol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing a bisphenol will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1451297