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JPS53133229A - Novel disazo compounds and their preparation - Google Patents

Novel disazo compounds and their preparation

Info

Publication number
JPS53133229A
JPS53133229A JP4885977A JP4885977A JPS53133229A JP S53133229 A JPS53133229 A JP S53133229A JP 4885977 A JP4885977 A JP 4885977A JP 4885977 A JP4885977 A JP 4885977A JP S53133229 A JPS53133229 A JP S53133229A
Authority
JP
Japan
Prior art keywords
preparation
disazo compounds
novel disazo
novel
formula
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4885977A
Other languages
Japanese (ja)
Other versions
JPS5838465B2 (en
Inventor
Masaomi Sasaki
Kiyoshi Sakai
Mitsuru Hashimoto
Masabumi Oota
Akio Kojima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP4885977A priority Critical patent/JPS5838465B2/en
Priority to US05/898,130 priority patent/US4272598A/en
Priority to US05/961,963 priority patent/US4242260A/en
Publication of JPS53133229A publication Critical patent/JPS53133229A/en
Publication of JPS5838465B2 publication Critical patent/JPS5838465B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Photoreceptors In Electrophotography (AREA)

Abstract

PURPOSE: Disazo compounds expressed by the formula I: [A is the formula II or III: (R is alkyl, alkoxy, nitro, dialkylamino, halogen; n is 0 or an integer 1W3)].
COPYRIGHT: (C)1978,JPO&Japio
JP4885977A 1977-04-27 1977-04-27 Disazo compound and its manufacturing method Expired JPS5838465B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4885977A JPS5838465B2 (en) 1977-04-27 1977-04-27 Disazo compound and its manufacturing method
US05/898,130 US4272598A (en) 1977-04-27 1978-04-20 Electrophotographic material containing disazo compounds
US05/961,963 US4242260A (en) 1977-04-27 1978-11-20 2-Hydroxy-3-carbonylanilinonaphth-1-yl disazo derivatives and 1-phenyl-3-methyl-5-hydroxypyrazol-4-yl disazo derivatives of 1,4-bis(4-aminostyryl) benzene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4885977A JPS5838465B2 (en) 1977-04-27 1977-04-27 Disazo compound and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS53133229A true JPS53133229A (en) 1978-11-20
JPS5838465B2 JPS5838465B2 (en) 1983-08-23

Family

ID=12814989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4885977A Expired JPS5838465B2 (en) 1977-04-27 1977-04-27 Disazo compound and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5838465B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023117A1 (en) * 1979-06-20 1981-01-29 Ricoh Kk BISAZO CONNECTIONS AND METHOD FOR THEIR PRODUCTION
DE3023116A1 (en) * 1979-06-20 1981-02-05 Ricoh Kk BISAZO CONNECTIONS AND METHOD FOR THEIR PRODUCTION
US8232376B2 (en) 2007-06-29 2012-07-31 Ricoh Company, Ltd. Azo compound and method of preparing the azo compound

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023117A1 (en) * 1979-06-20 1981-01-29 Ricoh Kk BISAZO CONNECTIONS AND METHOD FOR THEIR PRODUCTION
DE3023116A1 (en) * 1979-06-20 1981-02-05 Ricoh Kk BISAZO CONNECTIONS AND METHOD FOR THEIR PRODUCTION
US8232376B2 (en) 2007-06-29 2012-07-31 Ricoh Company, Ltd. Azo compound and method of preparing the azo compound
US8541557B2 (en) 2007-06-29 2013-09-24 Ricoh Company, Ltd. Azo compound and method of preparing the azo compound

Also Published As

Publication number Publication date
JPS5838465B2 (en) 1983-08-23

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