Denture adhesive

Details Denture adhesive Denture adhesive

1993-03-01

1994-03-29

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523118, 524 55, A61C 1323, C08L 9300

Patent

active

052985342

ABSTRACT:
This invention relates to an improved adhesive composition having extended holding power accompanied by adhesion building properties during use and having increased gel adhesion, which composition consists essentially of (a) from about 10 to about 35 wt. % lower alkyl vinyl ether-maleic acid copolymer wherein from 0 to about 90 wt. % of the copolymer carboxyl units are converted to a mixture of salts selected from the group of calcium, sodium, strontium, zinc, magnesium and potassium; (b) a crosslinked non-ionic natural guar gum in a mole ratio of between about 0.75:1 and about 5:1 with respect to the copolymer; and (c) from about 30 to about 70 wt. % oil base as a carrier. The invention also relates to the preparation and use of said adhesive for affixing dentures.

REFERENCES:
patent: 4393080 (1983-07-01), Pawelchak et al.
patent: 4470814 (1984-09-01), Chang et al.
patent: 4521551 (1985-06-01), Chang et al.
patent: 5093387 (1992-03-01), Schobel et al.
Encyclopedia of Chemical Technology, Third Edition, John Wiley & Sons, vol. 12.

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