Patent · US Expired

Hydrophilic foam compositions

US5065752A · kind A · utility

157Cited by
47References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 1991
Grant dateNov 19, 1991
Priority date
Expiry dateMay 28, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/249982
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A hydrophilic foam composition comprising the in situ reaction product of an isocyanate-capped polyether prepolymer, a hydrophilic agent capable of absorbing water, an adjuvant comprising an alcohol, a wetting agent, and water.

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