Patent · US Active

Process for preparing MDA via the stage of the aminal

US8710267B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

BASF SE

Inventors

Eckhard Stroefer · Mannheim, DE
Kai Thiele · Ekeren, BE
Michael Zoellinger · Eislingen/Fils, DE
Johnny Moors · Ekeren, BE
Jon S. Speier · Baton Rouge, US

Key dates

Filing date	Apr 19, 2010
Grant date	Apr 29, 2014
Priority date	—
Expiry date	May 20, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C209/62
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a process for preparing methylenediphenyldiamine (MDA), comprising the following steps a) to c):

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