Patent · US Active

Process for production of di- and polyamines of the diphenylmethane series

US8557949B2 · kind B2 · utility

1Cited by

20References

12Claims

0Family size

Assignee

HUNTSMAN INTERNATIONAL LLC · US

Inventors

Robert Henry Carr · Oud-Heverlee, BE
Johannes Lodewijk Koole · Kessel-Lo, BE
Willem Van Der Borden · Maassluis, NL

Key dates

Filing date	Aug 28, 2008
Grant date	Oct 15, 2013
Priority date	—
Expiry date	Jul 14, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G73/0266
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the production of di- and poly(diamino diphenyl methane) comprising the steps of

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