Cationic betaine precursors to zwitterionic betaines having controlled biological properties
US8404224B2 · kind B2 · utility
2Cited by
18References
16Claims
0Family size
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Key dates
| Filing date | Sep 14, 2012 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Sep 14, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5426
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, therapeutic agent delivery systems that include the cationic polymers, methods for administering a therapeutic agent using the delivery systems, and methods for making and using the cationic polymers, monomers, surfaces, and therapeutic agent delivery systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.