Process for preparing surface modification substances
US6461665B1 · kind B1 · utility
108Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2001 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Feb 28, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L33/0029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a process for preparing surface modifications having an improved antithrombogenic activity, whereby the improvement is achieved by treating heparin at a temperature above 40° C. or a pH in the rage of 9-14 or in contact with nucleophilic catalysts before attaching said heparin to the surface to be modified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.