Patent · US Expired

Production of polyoxymethylene and suitable (II) catalysts

US7064177B2 · kind B2 · utility

2Cited by

1References

9Claims

0Family size

Assignee

BASF SE

Inventors

Hans-Helmut Görtz · Freinsheim, DE
Gerrit Luinstra · Mannheim, DE
Wolfram Wielandt · Bingen, DE
Michael Henes · Reutlingen, DE
Ekkehard Lindner · Bingen, DE

Key dates

Filing date	Apr 10, 2003
Grant date	Jun 20, 2006
Priority date	—
Expiry date	Apr 10, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I[CpvMLw]m+Zm/nn− (I)

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