Denture adhesive preparation
Abstract
Abstract AN IMPROVED ANHYDROUS DENTURE ADHESIVE IS PREPARED TO CONTAIN A MIXTURE OF A CATIONIC POLYMERIC MATERIAL AND A NATURAL OR SYNTHETIC ANIONIC POLYMERIC MATERIAL AND HESIVE INGREDIENT. THE MIXTURE MAY BE FORMULATED AS A POWDER OR ANHYDROUS PASTE, WHICH, WHEN APPLIED TO DENTURES AND EXPOSED TO MOISTURE, DEVELOPS SUPERIOR ADHESIVE PROPERTIES. SUITABLE CATIONIC MATERIALS INCLUDE AT LEAST ONE OF THE FOLLOWING: COPOLYMER OF SUBSTITUTED OR UNSUBSTITUTED ACRYLAMIDE WITH VINYL QUATERNARY AMMONIUM SALTS; COPOLYMERS OF SUBSTITUTED, OR UNSUBSTITUTED ACRYLAMIDE WITH VINYL AND ALKYL SUBSTITUTED VINYL PYRIDINIUM SALTS; AND AN O-LOWER ALKYL-TRIMETHYLAMMONIUM CHLORIDE-SUBSITUTED-ANHYDROGLUCOSE POLYMER. AS THE ANIONIC COMPONENT THERE MAY BE USED AT LEAST ONE NATURAL GUM, SUCH AS GUM KARAYA, GUM ARABIC, GUM SHIRAZ, GUM TRAGACANTH, PECTIN, PECTINATES, ALGIN, AND ALGINATES; OR AT LEAST ONE SYNTHETIC GUM INCLUDING COPOLYMERS OF MALEIC ANHYDRIDE WITH VINYL-LOWER ALKYL-ETHERS, CARBOXYMETHYL CELLULOSES, AND CELLULOSE SULFATES.
Inventors
- 👤 R Gidwani
- 👤 H Rubin
- 👤 J Keegan
Bibliographic Details
Claims Analysis
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