Patent · US Active

Process for preparing isocyanates

US8288584B2 · kind B2 · utility

5Cited by

1References

13Claims

0Family size

Assignee

BASF SE

Inventors

Carsten Knoesche · Niederkirchen, DE
Andreas Woelfert · Bad Rappenau, DE
Torsten Mattke · Ludwigshafen am Rhein, DE
Eckhard Stroefer · Mannheim, DE
Heinrich-Josef Blankertz · Hamm (Sieg), DE
Bernhard Geissler · Schwarzenbruck, DE

Key dates

Filing date	Sep 11, 2008
Grant date	Oct 16, 2012
Priority date	—
Expiry date	Sep 17, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/14
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.