Process for the purification of 4,4' dihydroxydiphenyl

Details Process for the purification of 4,4' dihydroxydiphenyl Process for the purification of 4,4' dihydroxydiphenyl

C - Chemistry, Metallurgy

07

C

260/617, 260/623

C07C 39/15 (2006.01) C07C 37/86 (2006.01)

Patent

CA 1164480

Abstract of the Invention A process for purifying 4,4'-dihydroxydiphenyl com- prising contacting a solution of 4,4'-dihydroxydiphenyl alkali metal salt with activated carbon followed by remov- ing the activated carbon from the solution and acidifying the solution with sufficient acid to convert essentially all of the 4,4'-dihydroxydiphenyl alkali metal salt to water insoluble 4,4'-dihydroxydiphenyl and 4,4'-dihydroxydiphenyl product containing less than 0.45 weight percent of 4-mono- hydroxydiphenyl impurity.

369093

Affiliated with

Also associated with

Rating

Process for the purification of 4,4' dihydroxydiphenyl 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 purification of 4,4' dihydroxydiphenyl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the purification of 4,4' dihydroxydiphenyl will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-945492