Adhesive oral dissolved films in managing oral care
US11000473B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2017 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Jul 31, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/38
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a dissolvable film adapted to adhere to an oral mucosal tissue of a subject, wherein the film comprises at least three indigestible hydrophilic polymers constituting from 35% to 55% of the film dry weight and wherein the at least three polymers comprise xanthan gum and carboxymethyl cellulose (CMC) in a weight ratio of between 1:0.8-1.6, and at least one other cellulose based polymer. Optionally, the film may further include an active agent in an amount of 0.01% to 35% of the film dry weight. Disclosed also is a method for preparing the film and a method for treating or preventing oral conditions comprising implementing the film. Particularly, the film may be applied between dentures and the gums of the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.