Patent · US Active

Two-stage process for cost-effective deposition of homogeneous catalysts in MDA synthesis

US8759585B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

BASF SE

Inventors

Markus Siegert · Heidelberg, DE
Torsten Mattke · Ludwigshafen am Rhein, DE
Tilmann Steinmetz · Havelsee, DE
Hans-Juergen Pallasch · Ludwigshafen, DE
Filip Nevejans · Sint-Niklaas, BE

Key dates

Filing date	Dec 13, 2010
Grant date	Jun 24, 2014
Priority date	—
Expiry date	Dec 13, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C209/78
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention provides a process for preparing diphenylmethanediamine, comprising the steps of:

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