Patent · US Expired

Composition containing thermoplastic polymers

US6632864B2 · kind B2 · utility

2Cited by

3References

21Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Rudiger Gorny · Dorpsstraat, US
Siegfried Anders · Recklinghausen, DE
Wolfgang Nising · Sankt Augustin, DE

Key dates

Filing date	Oct 23, 2001
Grant date	Oct 14, 2003
Priority date	—
Expiry date	Oct 23, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A method of using an extrudable thermoplastic compositions that contains a mixture of benzotriazoles is disclosed. The composition is suitable for producing sheets having improved surface quality.

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