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US 5,158,825 AGranted
Adherent insert for artificial teeth and process of manufacturing the insert
OwnerOskar Altwirthinventor
Life of this patent
Estimating the term…
Abstract
An adherent insert for artificial teeth consists of a nonwoven fabric, which is impregnated with an adhesive. In order to ensure a strong and persistent adhesiveness, the nonwoven fabric is impregnated with an adhesive which consists of a viscous mixture of alginate and/or carboxymethylcellulose, polyvinyl acetate and a solvent consisting of glycerine triacetate or propylene glycol.
Claims6
An adherent insert for artificial teeth, comprising
- a nonwoven fabric impregnated with
- a composition comprising polyvinyl acetate, at least one hydrocolloid embedded in said polyvinyl acetate, and a physiologically acceptable, water-insoluble solvent free of alcohol and forming, at an elevated temperature, with said polyvinyl acetate and said hydrocolloid a syrupy viscous adhesive composition.
Dependencies are inferred from the claim text.