Patent · US Active

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

US9217054B2 · kind B2 · utility

1Cited by
21References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2008
Grant dateDec 22, 2015
Priority date—
Expiry dateSep 15, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/0266
  • WIPO fieldMacromolecular chemistry, polymers
  • 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.