Polyvinyl chloride composition
US4478961A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1982 |
| Grant date | Oct 23, 1984 |
| Priority date | — |
| Expiry date | Nov 18, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/22
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A polyvinyl chloride composition comprising 100 parts by weight of a polyvinyl chloride and 5 to 150 parts by weight of a high molecular weight, modified polyester which is prepared by reacting (A) a polyester having a carboxyl group at terminal thereof and containing an ester unit of total carbon atoms of 8 to 10 in the diol component and the dicarboxylic acid component with (B) a compound having epoxy groups at both terminals thereof, said polyvinyl chloride composition having excellent acticoagulant activity and hence being useful for various blood handling devices including blood transmitting tube, as well as other utilities such as packages for foodstuffs as in the conventional polyvinyl chloride composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.