Patent · US Active

Process for preparing 4-aminodiphenylamine intermediates

US7504539B2 · kind B2 · utility

0Cited by
9References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2006
Grant dateMar 17, 2009
Priority date—
Expiry dateDec 15, 2026

Classification

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

Abstract

The invention is directed to a method of producing one or more 4-aminodiphenylamine intermediates comprising the steps:

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