Patent · US Expired

Block copolymers

US5700902A · kind A · utility

26Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 1995
Grant dateDec 23, 1997
Priority date
Expiry dateJul 27, 2015

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.