Lignosulfonate derivatives

Details Lignosulfonate derivatives Lignosulfonate derivatives

C - Chemistry, Metallurgy

04

B

260/133, 31/19,

C04B 24/18 (2006.01) C09K 8/20 (2006.01) C07G 1/00 (2006.01) C08H 6/00 (2010.01)

Patent

CA 1115693

ABSTRACT OF THE DISCLOSURE This invention relates to a composition comprising a lignosulfonate or an alkali metal salt derivative thereof derived from sulfite waste liquor that has been subjected to alkaline oxidation, hydrolysis and partial desulfonation with subsequent resulfonation; with subsequent reaction of said resulfonated lignosulfonate with: (a) a halocarboxylic acid; (b) a halocar- boxylic acid and a hydroxy-substituted lactone; (c) a hydroxy- substituted lactone as aforesaid; (d) a halocarboxylic acid and sequentially the derivative of a sugar acid containing spent sulfite liquor derived from the reaction of a spent sulfite liquor with a cyanide followed by hydrolysis of the resulting reactionproduct; or, (e) said derivative of a sugar acid-contain- ing spent sulfite liquor; as well as the method of cementing subterranean geological formations penetrated by well bores utilizing these materials in well cementing compositions.

319624

Affiliated with

Also associated with

Rating

Lignosulfonate derivatives does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lignosulfonate derivatives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lignosulfonate derivatives will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-141638