Denture adhesive hydrogel with dry tack
US9408780B2 · kind B2 · utility
0Cited by
25References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 26, 2012 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Jan 26, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J171/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dry tack denture adhesive hydrogel comprising a mixed salt of a copolymer of alkyl vinyl ether and maleic anhydride or maleic acid, a hygroscopic nonionic polymer, and water is provided. A method for preparation of the denture adhesive hydrogel is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.