GB2055882B - Bis-azo compounds and the preparation thereof - Google Patents

Bis-azo compounds and the preparation thereof

Info

Publication number
GB2055882B
GB2055882B GB8020347A GB8020347A GB2055882B GB 2055882 B GB2055882 B GB 2055882B GB 8020347 A GB8020347 A GB 8020347A GB 8020347 A GB8020347 A GB 8020347A GB 2055882 B GB2055882 B GB 2055882B
Authority
GB
United Kingdom
Prior art keywords
bis
preparation
azo compounds
azo
compounds
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.)
Expired
Application number
GB8020347A
Other versions
GB2055882A (en
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
Priority claimed from JP7671479A external-priority patent/JPS562352A/en
Priority claimed from JP7671579A external-priority patent/JPS562353A/en
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB2055882A publication Critical patent/GB2055882A/en
Application granted granted Critical
Publication of GB2055882B publication Critical patent/GB2055882B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Photoreceptors In Electrophotography (AREA)
GB8020347A 1979-06-20 1980-06-20 Bis-azo compounds and the preparation thereof Expired GB2055882B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7671479A JPS562352A (en) 1979-06-20 1979-06-20 Novel disazo compound and its preparation
JP7671579A JPS562353A (en) 1979-06-20 1979-06-20 Novel disazo compound and its preparation

Publications (2)

Publication Number Publication Date
GB2055882A GB2055882A (en) 1981-03-11
GB2055882B true GB2055882B (en) 1983-04-13

Family

ID=26417848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8020347A Expired GB2055882B (en) 1979-06-20 1980-06-20 Bis-azo compounds and the preparation thereof

Country Status (1)

Country Link
GB (1) GB2055882B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117391B (en) * 1982-01-18 1985-05-01 Fuji Photo Film Co Ltd Disazo naphthylene compounds, and photoconductive compositions and electrophotographic materials containing them
JPS58178363A (en) * 1982-04-13 1983-10-19 Mita Ind Co Ltd Electrophotographic receptor
US4486519A (en) * 1982-06-18 1984-12-04 Ricoh Company, Ltd. Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds

Also Published As

Publication number Publication date
GB2055882A (en) 1981-03-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920620