Patent · US Active

Process for the preparation of toluenediamine

US7307190B2 · kind B2 · utility

5Cited by

8References

14Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Bernd Pennemann · Moitzfeld, DE
Bill Brady · Goldkronach, DE
Rainer Buse
Gerd Greger · Kempen, DE

Key dates

Filing date	Jul 7, 2006
Grant date	Dec 11, 2007
Priority date	—
Expiry date	Jul 7, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C209/36
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Toluenediamine is produced and separated from by-products of the reaction by:

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