Patent · US Expired

Hydrophilic polyurethane foams

US6034149A · kind A · utility

47Cited by

3References

25Claims

0Family size

Assignee

IMPERIAL CHEMICAL INDUSTRIES LIMITED · GB

Inventors

Gerhard Jozef Bleys · Heverlee, BE
Dirk Gerber · Grimbergen, BE
Henk Grymonprez · Zoutleeuw, BE

Key dates

Filing date	Jul 9, 1998
Grant date	Mar 7, 2000
Priority date	—
Expiry date	Jul 9, 2018

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2375/04
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Hydrophilic flexible polyurethane foam which foam is in a compressed state above its glass transition temperature and at ambient pressure in the absence of force suitable to create the compressed state.

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