Back to results
US 5,210,301 AGranted
Squarium compounds, process for preparing the same and electrophotographic photoreceptors containing the same
AssigneeFuji Xerox Co., Ltd.
InventorsSatoshi Saeki, Seki Kin, Kaoru Torikoshi, Hiroyuki Tanaka, Lyong S. Pu
Life of this patent
Estimating the term…
Abstract
Novel squarium compounds which have a flat photosensitivity in the wide range from 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 the squarium compounds are disclosed.
Claims1
A squarium compound represented by formula (I) ##STR5## wherein X represents an electron attractive group, n is 0 or an integer of from 1 to 5 and R represents a methyl group.
Dependencies are inferred from the claim text.