Patent · US Expired

Production of polyoxymethylene and suitable catalysts

US7112651B2 · kind B2 · utility

2Cited by

5References

9Claims

0Family size

Assignee

BASF SE

Inventors

Hans-Helmut Görtz · Freinsheim, DE
Gerrit Luinstra · Mannheim, DE
Monika Forster · Floh-Seligenthal, DE
Andreas Baumann · Münsingen, CH
Ekkehard Lindner · Bingen, DE

Key dates

Filing date	Apr 10, 2003
Grant date	Sep 26, 2006
Priority date	—
Expiry date	Apr 10, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2/06
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[ML1aL2b]cm+Zc·m/nn− (I)

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