Patent · US Expired

Stabilization of polyolefins in permanent contact with chlorinated water

US7132467B2 · kind B2 · utility

2Cited by

3References

8Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Erich Kramer · Aichach, DE
Alfred Georges Oertli · Zürich, CH
Markus Grob · Reinach, CH

Key dates

Filing date	Jan 23, 2003
Grant date	Nov 7, 2006
Priority date	—
Expiry date	Jun 29, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/57
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyolefin mouldings that have excellent stability on permanent contact with chlorinated water comprise, as stabilizer, at least a compound selected from the group consisting of i) an epoxidized fatty acid having 3 to 22 carbon atoms or an aklyl ester thereof having 1 to 18 carbon atoms; and/or ii) an organotin compound; and/or iii) a compound containing at least one radical of the formula A or B.

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