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US 7,517,920 B2Granted
Denture fixative composition
AssigneeSunstar Inc.
InventorAkihiro Sudo
Life of this patent
Estimating the term…
Abstract
A denture fixative composition containing lower alkyl vinyl ether-maleic anhydride copolymers, water-insoluble and water-swelling polymers, and at least one additional adhesive material which can be used as a denture fixative paste, liquid, powder, aerosol, dissolving tablet, liner or adhesive-like strip.
Claims21
A denture fixative composition comprising:
- a. at least one copolymer selected from the group consisting of lower alkyl vinyl ether-maleic anhydride copolymer and salt derivative thereof;
- b. at least one water-insoluble and water-swelling polysaccharide selected from the group consisting of low-substituted hydroxypropyl cellulose having a hydroxypropyl content of 5.0 to 16.0%, agar having a weight average molecular weight of 400,000 or more and mixtures thereof;
- and
- c. at least one additional adhesive material selected from the group consisting of natural gums, synthetic polymeric gums, karaya gum, guar gum, gelatin, algin, sodium alginate, tragacanth, chitosan, polyethylene glycol, acrylamide polymers, carboxyvinyl polymer, polyvinyl alcohol, polyvinylpyrrolidone, water-soluble cellulose derivatives and mixtures thereof.
1 more element
Dependencies are inferred from the claim text.