Mixtures of polymers for medical use
US4469827A · kind A · utility
6Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1983 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | Dec 28, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/08
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Polymer compositions and processes consisting of mixture of vinyl chloride polymer and polyether urethane with tertiary amine and/or ammonium groups and heparin. The compositions can be converted into shaped articles, e.g. tubes, cannulae, catheters and the like useful in the medical field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.