Patent · US Expired

Resin composition suitable for use in medical devices

US4495312A · kind A · utility

16Cited by
8References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 1983
Grant dateJan 22, 1985
Priority date
Expiry dateMar 11, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L73/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A resin composition comprising PA1 (a) a vinyl chloride/ethylene copolymer having an ethylene content in the range of 3 to 12% by weight, an average degree of polymerization in the range of 700 to 2900 and a ratio of weight average molecular weight to number average molecular weight in the range of from 2.5:1 to 5.5:1, PA1 (b) an ethylene/carbon monoxide/vinyl acetate copolymer, and PA1 (c) a glycerin ester of a specific epoxidized aliphatic carboxylic acid. This resin composition is suitable for making medical devices, especially bags for storing transfusion fluids, receptacles for storing blood, and tubes for a blood circuit in artificial kidneys.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.