Novel Squarium compounds, a process for preparing them and electrophotographic photoreceptors containing them
US5055615A · kind A · utility
0Cited by
9References
1Claims
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Key dates
| Filing date | Aug 17, 1988 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Aug 17, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel squarium compounds which have a flat photo-sensitivity in the wide range from the visible ray region to the near infrared ray region as a charge generator and which can be prepared by reacting squaric acid and an aniline derivative, and electrophotographic photoreceptors containing them are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.