Patent · US Expired

Block copolymers

US5834583A · kind A · utility

131Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1997
Grant dateNov 10, 1998
Priority date
Expiry dateDec 23, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/05
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A poly(ethyleneoxy) block copolymer including a hydrophobic block segment useful in making a porous polymer article with improved surface hydrophilicity. Also disclosed is a method of making such a polymer article.

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