Patent · US Active

Highly flexible sheet composite material

US8323788B2 · kind B2 · utility

0Cited by

9References

13Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Sven Meyer-Ahrens · Leverkusen, DE
Andrea Maier-Richter · Erkrath, DE
Manfred Naujoks · Odenthal, DE
Thomas Michaelis · Leverkusen, DE
Semka Muratovic · Detmold, DE

Key dates

Filing date	Feb 13, 2009
Grant date	Dec 4, 2012
Priority date	—
Expiry date	Aug 26, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/249982
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a highly flexible sheet composite material comprising a block flexible foam and a layer of whipped foam made of polyurethane-based dispersions two-dimensionally bonded thereto, a process for preparing such a composite material, and the use thereof.

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