Patent · US Active

Method for producing diisocyanates

US7915444B2 · kind B2 · utility

7Cited by

3References

21Claims

0Family size

Assignee

BASF SE

Inventors

Andreas Woelfert · Bad Rappenau, DE
Carsten Knoesche · Niederkirchen, DE
Manfred Heilig · Ludwigshafen am Rhein, DE
Eckhard Stroefer · Mannheim, DE

Key dates

Filing date	Jul 31, 2006
Grant date	Mar 29, 2011
Priority date	—
Expiry date	Jul 31, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C263/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing diisocyanates from diamines and phosgene in the gas phase.

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