Patent · US Active

Rigid polyurethane foams with uniform cell size distribution and homogeneous open-cell content

US9296856B2 · kind B2 · utility

0Cited by

2References

5Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Lutz Böhnke · Overath, DE
Joern Beaujean · Leverkusen, DE
Rolf Albach · Recklinghausen, DE

Key dates

Filing date	Mar 24, 2014
Grant date	Mar 29, 2016
Priority date	—
Expiry date	Aug 1, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2110/0083
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to predominantly open-cell, cold-deformable, rigid polyurethane foams which possess a uniform cell structure with similar cell sizes and similar physical properties, more particularly a similar open-cell content. These foams are suitable for producing automotive interior trim, more particularly roof linings and pillar trim.

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