Patent · US Expired

Polyurethane-based polymeric materials and biomedical articles and pharmaceutical compositions utilizing the same

US5100992A · kind A · utility

307Cited by
1References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1990
Grant dateMar 31, 1992
Priority date—
Expiry dateMay 3, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/6755
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention provides a polyurethane amide segmented copolymer selected from: PA0 a) a segmented block polyurethane amide (PEUAm) of the following repeating unit [I] ##STR1## b) a segmented block polyurethane amide of the following repeating unit [II] ##STR2##

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