Patent · US Expired

Process for the production of bifunctional polyphenylene ethers

US4521584A · kind A · utility

19Cited by

5References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Walter Heitz · Kirchhain, DE
Wilhelm Risse · Marburg, DE

Key dates

Filing date	Feb 27, 1984
Grant date	Jun 4, 1985
Priority date	—
Expiry date	Feb 27, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G65/44
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a new process for the production of polyphenylene oxides.

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