The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 1994
Filed:
Feb. 04, 1992
Takashi Koyama, Yokohama, JP;
Naoto Fujimura, Yokohama, JP;
Yuichi Hashimoto, Tokyo, JP;
Tetsuo Shiraiwa, Ikoma, JP;
Shigeo Mori, Kyoto, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Dai-Ichi Kogyo Seiyaku Co., Ltd., Kyoto, JP;
Abstract
A photosensitive member suitable for use in an electrophotographic apparatus is constituted by an electroconductive support, and an intermediate layer and a photosensitive layer disposed in this order on the support. The intermediate layer comprises a reaction product of a polyol compound comprising at least one of a polyol compound [I] represented by Formula (1) shown below and a phosphated polyol compound with a polyisocyanate compound: ##STR1## wherein A denotes ##STR2## B denotes --R.sup.4 --O--, A and B may be connected at random or in blocks with each other, Z denotes an active hydrogen compound residue; R.sup.1 is an alkylene group having 1-9 carbon atoms; R.sup.2 is an alkylene group having 1-10 carbon atoms; R.sup.3 is an alkyl group, alkenyl group, aryl group or aralkyl group having 1-20 carbon atoms; R.sup.4 is an alkylene group having 2-10 carbon atoms; k is a number of 1-12 m is a number of 1-250; n is a number of 0-100; and p is a number of 0-5.