pH-sensitive methacrylic copolymers and the production thereof
US6998456B1 · kind B1 · utility
7Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2003 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Feb 14, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/282
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides novel multi-functional methacrylic copolymers that exhibit cationic pH-sensitive behavior as well as good water solubility under acidic conditions. The copolymers are constructed from tertiary amine methacrylates and poly(ethylene glycol) containing methacrylates. The copolymers are useful as gene vectors, pharmaceutical carriers, and in protein separation applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.