Method for rendering a substrate surface antithrombogenic
US4865870A · kind A · utility
68Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1988 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | Jul 7, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L33/0017
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for heparinizing a substrate includes applying a coating of ammonium salt to a substrate by steeping the substrate in a solution of the salt at an alkaline pH and contacting the coated substrate with a solution of a salt of heparin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.