Patent · US Expired

Imaging members with improved wear characteristics

US5925486A · kind A · utility

7Cited by
31References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1997
Grant dateJul 20, 1999
Priority date
Expiry dateDec 11, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C251/86
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Benzaldehyde-based hydrazone compounds of the formula ##STR1## wherein A represents a monocyclic or polycyclic divalent aromatic radical including at least one hydroxy-terminated substituent; R.sub.1 represents an N,N-dialkyl amino, N,N-diaryl amino or N-alkyl,N-aryl amino group; each R.sub.2 independently represents an alkyl, halogen, alkoxy group or substituted or unsubstituted monocyclic or polycyclic monovalent aromatic radical, with the proviso that at least one R.sub.2 is aromatic; and R.sub.3 represents hydrogen, alkyl or a substituted or unsubstituted monocyclic or polycyclic monovalent aromatic radical.

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