Patent · US Expired

Composites consisting of polyurethane and a thermoplastic material containing an inorganic polar additive

US6461732B1 · kind B1 · utility

16Cited by

4References

18Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Dieter Wittmann · Leverkusen, DE
Thomas Eckel · Dormagen, DE
Bernd Keller · Lompoc, US
Wolfgang Raschilas · Lüdenscheid, DE

Key dates

Filing date	Apr 17, 2000
Grant date	Oct 8, 2002
Priority date	—
Expiry date	Apr 17, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31645
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Composites of at least two different plastics materials joined directly to one another, whereinA) is a thermoplastic polymer or a thermoplastic mixture of polymers which contain at least one polar compound of at least one of the metals of the 1st to the 5th main group or of the 1st to 8th subsidiary group of the Periodic System as an extremely finely divided powder, andB) is polyurethane.

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