Patent · US Expired

Denture adhesive

US5093387A · kind A · utility

28Cited by
3References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1989
Grant dateMar 3, 1992
Priority date
Expiry dateDec 21, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K6/35
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A denture adhesive base composition comprises a substantially anhydrous mixture of a cationic derivatives of guar gum, a mixed Na/Ca salt of methyl vinyl ether-maleic anhydride and sodium carboxymethylcellulose. A denture adhesive composition including this base composition is provided, as well as a method for formulating the novel adhesives of the invention. Upon hydration, the denture adhesives of the invention form denture adhesive compositions exhibiting improved denture holding and adhesive duration properties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.