Substrate with an antithromogenic active surface
US4987181A · kind A · utility
68Cited by
4References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 19, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Sep 19, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L33/0029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Copolymer film deposited on a substrate comprising covalently fixed fragments of heparin having antithrombogenic properties. The polymer further comprises free carboxylic groups intended to neutralize free amine functions which are possibly present and to improve the hemocompatibility of the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.