Physically crosslinked amphiphilic networks, methods of preparation, and uses thereof
US6555619B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2000 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Jun 29, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G81/025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to amphiphilic copolymer networks comprising polyisobutylene segments and poly(alkylene glycol) segments. The polyisobutylene segments of the amphiphilic networks are physically crosslinked by hydrophobic forces. The amphiphilic networks have particular use as coatings for biological implants. Also provided is a process for preparing a physically crosslinked amphiphilic copolymer network comprising: providing a block copolymer comprising polyisobutylene segments and poly(alkylene glycol) segments; introducing the block copolymer into an aqueous solvent; and allowing the block copolymer to self-assemble into physically crosslinked a copolymer network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.