FR2169773A1 - Polyphenylene bisazo pigments - as photo -conductors in electrophotographic reprodn processes - Google Patents
Polyphenylene bisazo pigments - as photo -conductors in electrophotographic reprodn processesInfo
- Publication number
- FR2169773A1 FR2169773A1 FR7236802A FR7236802A FR2169773A1 FR 2169773 A1 FR2169773 A1 FR 2169773A1 FR 7236802 A FR7236802 A FR 7236802A FR 7236802 A FR7236802 A FR 7236802A FR 2169773 A1 FR2169773 A1 FR 2169773A1
- Authority
- FR
- France
- Prior art keywords
- reprodn
- electrophotographic
- polyphenylene
- conductors
- photo
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0664—Dyes
- G03G5/0675—Azo dyes
- G03G5/0679—Disazo dyes
-
- 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
- C09B35/021—Disazo dyes characterised by two coupling components of the same type
- C09B35/033—Disazo dyes characterised by two coupling components of the same type in which the coupling component is an arylamide of an o-hydroxy-carboxylic acid or of a beta-keto-carboxylic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
The pigments are of formula:- (in which n is 2 or 3, X is H, or halogen and R, R' are H, alkyl or aryl). They are made by tetrazotising 4,4'-diamino di- or ter-phenylenes and coupling with 3-hydroxy 2-naphthamides.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21013671A | 1971-12-20 | 1971-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2169773A1 true FR2169773A1 (en) | 1973-09-14 |
Family
ID=22781716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7236802A Withdrawn FR2169773A1 (en) | 1971-12-20 | 1972-10-11 | Polyphenylene bisazo pigments - as photo -conductors in electrophotographic reprodn processes |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS4870538A (en) |
DE (1) | DE2260540A1 (en) |
FR (1) | FR2169773A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0091833A1 (en) * | 1982-04-13 | 1983-10-19 | Mita Industrial Co. Ltd. | Electrophotographic photosensitive material |
EP0188055A2 (en) * | 1984-08-28 | 1986-07-23 | Konica Corporation | Photoreceptor |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61107250A (en) * | 1984-10-31 | 1986-05-26 | Canon Inc | Electrophotographic sensitive body |
US5958637A (en) * | 1996-07-24 | 1999-09-28 | Hitachi Chemical Company, Ltd. | Electrophotographic photoreceptor and coating solution for production of charge transport layer |
WO2005110391A2 (en) * | 2004-04-08 | 2005-11-24 | University Of Massachusetts | Compounds for treating human papillomavirus |
-
1972
- 1972-10-11 FR FR7236802A patent/FR2169773A1/en not_active Withdrawn
- 1972-12-08 JP JP12266472A patent/JPS4870538A/ja active Pending
- 1972-12-11 DE DE19722260540 patent/DE2260540A1/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0091833A1 (en) * | 1982-04-13 | 1983-10-19 | Mita Industrial Co. Ltd. | Electrophotographic photosensitive material |
EP0188055A2 (en) * | 1984-08-28 | 1986-07-23 | Konica Corporation | Photoreceptor |
EP0188055A3 (en) * | 1984-08-28 | 1987-07-08 | Konishiroku Photo Industry Co. Ltd. | Photoreceptor |
Also Published As
Publication number | Publication date |
---|---|
DE2260540A1 (en) | 1973-07-05 |
JPS4870538A (en) | 1973-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU461963B2 (en) | Electrostatographic developing material | |
CA985551A (en) | Electrostatographic development | |
CA941733A (en) | Subsea well stage cementing system | |
AU462045B2 (en) | Electrostatographic developing material | |
DK134831B (en) | Electrophotographic copier. | |
IE36188L (en) | Condensation polymer dispersions | |
CA979262A (en) | Electroconductive coating, electrostatographic copy sheet and methods of making and using the same | |
NL156515B (en) | DIAZO COPIER. | |
AU3976572A (en) | Photographic direct-positive process | |
AU5063472A (en) | Electrostatographic development | |
FR2169773A1 (en) | Polyphenylene bisazo pigments - as photo -conductors in electrophotographic reprodn processes | |
CA991487A (en) | Resin dispersions | |
CA985552A (en) | Electrostatographic development | |
CA981499A (en) | Fiche-to-fiche copier | |
AU3896172A (en) | Improvements in. the production of pipe bend sheaths | |
CA1007095A (en) | Substituted azoxybenzenes having photoconductive properties useful in electrophotographic processes | |
NL176311C (en) | ELECTROPHOTOGRAPHIC COPIER. | |
AU471253B2 (en) | Tetrafluoroethylene polymer dispersions | |
CA982180A (en) | Flexible coupling | |
AU4305772A (en) | Valved pipe coupling | |
AU471593B2 (en) | Yellow electrostatographic toner | |
AU461731B2 (en) | A SOLUTION OF POLYARYLENE-l, 2, 3-OXADIOZOLE AND FIBRES AND FILMS MADE THEREFROM | |
FR2155493A5 (en) | Red disazo phenyl dyes - for electrophotographic toner | |
CA987817A (en) | Process for improving the physical and chemical properties of polyvinyl chloride | |
CA869922A (en) | Electrostatographic office copier |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |