Patent · US Expired

Blowing agent blends

US6310111A · kind A · utility

2Cited by

2References

3Claims

0Family size

Assignee

ATOFINA Chemicals, Inc. · US

Inventors

Jinhuang Wu · King of Prussia, US
Douglas R. Dillon · Port Matilda, US

Key dates

Filing date	Mar 15, 2000
Grant date	Oct 30, 2001
Priority date	—
Expiry date	Mar 15, 2020

Classification

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

Abstract

Foam blowing agents blends of 5-50 mole % HCFC-22 and 95-50 mole % of n-pentane, i-pentane and/or cyclopentane are provided, as are polyol premixes and polyurethane foam compositions containing such blends.

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