Patent · US Active

Method for purifying residues containing isocyanates

US9061971B2 · kind B2 · utility

1Cited by

6References

17Claims

0Family size

Assignee

BASF SE

Inventors

Andreas Wölfert · Bad Rappenau, DE
Carsten Knösche · Niederkirchen, DE
Matthias Klotzer · Kröppen, DE
Hermann Ascherl · Dirmstein, DE
Eckhard Stroefer · Mannheim, DE
Heinrich-Josef Blankertz · Hamm (Sieg), DE
Michael Schönherr · Bischofswerda, DE
Martin Karches · Neustadt, DE
Christian Benz · Worms, DE

Key dates

Filing date	Sep 21, 2006
Grant date	Jun 23, 2015
Priority date	—
Expiry date	Jan 9, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention comprises a process for purifying isocyanate-comprising residues.

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