C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 222/06 (2006.01) A61K 6/00 (2006.01) C08F 220/06 (2006.01)
Patent
CA 2079322
2079322 9114716 PCTABS00007 Slurry copolymerization of maleic anhydride with (meth)acrylic acid and, optionally, with C1-C4 alkyl vinyl ether in a cosolvent system of cyclohexane and ethyl acetate yields a pumpable slurry, from which uniform, fine, white powders having a predetermined weight average molecular weight of about 10,000 to one million, preferably about 30,000 to 400,000 are obtained. The copolymers are useful in a denture adhesive composition which is a mixed partial salt of the copolymer.
Gangadharan Balgopal
Haldar Rama K.
Login Robert B.
Plochocka Krystyna
Prosise William E.
Isp Investments Inc.
Smart & Biggar
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