Patent · US Active

Thermoplastic polyurethanes

US8138299B2 · kind B2 · utility

1Cited by

4References

4Claims

0Family size

Assignee

BASF SE

Inventors

Jörn Duwenhorst · Büdelsdorf, DE
Hauke Malz · Diepholz, DE
Karin Scheffer · Bohmte, DE
Thomas Flug · Wagenfeld, DE
Martin Vallo · Bramsche, DE

Key dates

Filing date	Apr 25, 2006
Grant date	Mar 20, 2012
Priority date	—
Expiry date	Aug 9, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G18/4238
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Thermoplastic polyurethanes which have a hardness of from 50 Shore A to 80 Shore A and are based on (b) polyester diols, wherein a polyester diol (b1) based on butane-1,4-diol and at least one further diol having at least 5 carbon atoms and a polyester diol (b2) based on butane-1,4-diol and at least one further diol having two or three carbon atoms are present as (b) polyester diols.

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