C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/1317
C08F 251/00 (2006.01) C08F 8/34 (2006.01)
Patent
CA 1100677
ABSTRACT SUMMARY OF THE INVENTION A water-soluble sulfomethylated graft copolymer of xanthan gum and polyacrylamide is obtained by reacting a graft copolymer of xanthan gum anf polyacrylamide with formaldehyde and sodium metabisulfite.
293400
Cottrell Ian W.
Empey Richard A.
Racciato Joseph S.
Goudreau Gage & Associates
Merck & Co. Inc.
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