Agent for salting out active principles in dressings containing at least one of fatty substance
US10500301B2 · kind B2 · utility
20Cited by
11References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 2008 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Jul 21, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/602
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the use, as an agent for salting out an active substance in a composition for a dressing, of a copolymer of a salt of 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulphonic acid and the 2-hydroxyethyl ester of propenoic acid. It also relates to dressings of the type comprising at least one fatty substance and/or an elastomeric matrix and at least one active substance, which incorporate the aforementioned copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.