Patent · US Active

Chloro-substituted polyetherimides having improved relative thermal index

US8524854B2 · kind B2 · utility

4Cited by

12References

29Claims

0Family size

Assignee

Sabic Innovative Plastics B.V. · NL

Inventors

Hendrich Chiong · Florence, US
Thomas Link Guggenheim · Greenwood, US
Farid Fouad Khouri · Clifton Park, US
Matthew L. Kuhlman · Evansville, US
Miguel Angel Navarro de Castro · Pozuelo de Alarcón, ES
Roy Ray Odle · Greenwood, US
Brennan Smith · Decatur, US

Key dates

Filing date	Dec 28, 2010
Grant date	Sep 3, 2013
Priority date	—
Expiry date	Aug 1, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L79/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A polyetherimide having an OH content that is greater than 0 and equal or less than 100 ppm; a Relative Thermal Index that is greater than or equal to 170° C.; and a chlorine content that is greater than 0 ppm is disclosed herein. A method for preparing the polyetherimide is also disclosed.

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