Denture adhesive
US5093387A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1989 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Dec 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.