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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.:

US 5840980 B1

PDFFull Text
Date of Patent:
Nov. 24, 1998

Filed:

Jul. 24, 1997

Diamine compounds and electrophotographic photoreceptor

Applicant:
Inventors:

Mitsutoshi Anzai, Tsukuba, JP;

Atsushi Takesue, Tsukuba, JP;

Takanobu Watanabe, Tsukuba, JP;

Chieko Inayoshi, Tsukuba, JP;

Assignee:

Hodogaya Chemical Co., Ltd., Kawasaki, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt, P.C.

Primary Examiner:

Richard L Raymond

Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
564308 ; 544 37 ; 544103 ; 544348 ; 546105 ; 548138 ; 548143 ; 548442 ; 549 48 ; 549460 ; 549467 ; 564322 ; 564330 ; 564426 ; 564427 ; 564428 ; 564429 ;
Abstract

A diamine compound of the following formula (1): ##STR1## wherein R.sub.1 is a hydrogen atom, a lower alkyl group or a lower alkoxy group, each of A.sub.1, A.sub.2 and A.sub.3 which are independent of one another, is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a group of the following formula (2): ##STR2## wherein R.sub.1 is as defined above, and X is a substituted or unsubstituted arylene group or a substituted or unsubstituted heterocyclic bivalent group.

Find Patent Forward Citations

Anzai, Mitsutoshi. (1998). Diamine compounds and electrophotographic photoreceptor (U.S. Patent No. 5840980). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5840980

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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