Denture adhesive

Details Denture adhesive Denture adhesive

1990-07-25

1991-08-06

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526332, 5263487, 323118, 524400, C08F22206, C08F21612, C08F21010, C08L 3508, C08K 509

Patent

active

050379240

ABSTRACT:
According to this invention, there is provided a denture adhesive which is a mixed partial salt of a terpolymer of maleic anhydride, (MA) a C.sub.1 -C.sub.4 alkyl vinyl ether (AVE) and isobutylene (IB) vinyl ether, having a weight average molecular weight of about 30,000 to 400,000, preferably about 50,000 to 350,000. The terpolymer has its components in the molar ratio of MA:AVE:IB of about 1:0.4-0.9:0.1-0.6, preferably about 1:0.5-0.8-0.2-0.5.

REFERENCES:
patent: 3984574 (1976-10-01), Comollo
patent: 4318742 (1982-03-01), Lokken
patent: 4506041 (1985-03-01), Tanigawa et al.
patent: 4910247 (1990-03-01), Haldar et al.

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