Patent · US Expired

Bis(aminoethanethiols)

US5319143A · kind A · utility

9Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1992
Grant dateJun 7, 1994
Priority date—
Expiry dateJul 31, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C323/25
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There are disclosed certain bis(aminoethanethiols) and the salts thereof which find utility as intermediates in the preparation of certain dye-providing compounds useful in photographic imaging systems.

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