Imaging members with improved wear characteristics
US5925486A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1997 |
| Grant date | Jul 20, 1999 |
| Priority date | — |
| Expiry date | Dec 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.