Polytetrafluoroethylene co-polymer emulsions
US10688188B2 · kind B2 · utility
0Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2019 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Apr 1, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/36
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure is directed to a class of fluorinated copolymers, such as PTFE copolymers, that can be dissolved in low toxicity solvents, such as Class III Solvents, and that enable the creation of stable water-in-solvent emulsions comprising the fluorinated copolymers dissolved in a low toxicity solvents and a hydrophilic agent (e.g., a therapeutic agent) dissolved in an aqueous solvent, such as water or saline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.