Thrombo-resistant non-thrombogenic objects formed from resin-graphite mixtures
US4254180A · kind A · utility
41Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 2, 1979 |
| Grant date | Mar 3, 1981 |
| Priority date | — |
| Expiry date | Jan 2, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The disclosure is that of an invention directed to new compositions of matter comprising a mixture of a resin in particulate form and colloidal graphite; and the use of such mixture to form objects of predetermined sizes and shapes, the exposed surfaces of which are strip treated and coated with a cationic surface active agent to make them Heparin-receptive, after which the objects are Heparin-coated to make them thrombo-resistant and non-thrombogenic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.