FR2401446A1 - Particules marquantes electrographiques et procedes d'amplification d'images electrographiques developpees - Google Patents
Particules marquantes electrographiques et procedes d'amplification d'images electrographiques developpeesInfo
- Publication number
- FR2401446A1 FR2401446A1 FR7813301A FR7813301A FR2401446A1 FR 2401446 A1 FR2401446 A1 FR 2401446A1 FR 7813301 A FR7813301 A FR 7813301A FR 7813301 A FR7813301 A FR 7813301A FR 2401446 A1 FR2401446 A1 FR 2401446A1
- Authority
- FR
- France
- Prior art keywords
- electrographic
- developed
- amplification methods
- marking particles
- image amplification
- 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
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G8/00—Layers covering the final reproduction, e.g. for protecting, for writing thereon
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/06—Developing
- G03G13/08—Developing using a solid developer, e.g. powder developer
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0926—Colouring agents for toner particles characterised by physical or chemical properties
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Developers In Electrophotography (AREA)
- Wet Developing In Electrophotography (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Developing Agents For Electrophotography (AREA)
- Catalysts (AREA)
Abstract
L'invention concerne l'électrophotographie. Les particules marquantes électrographiques selon l'invention comprennent un catalyseur ou un précurseur de catalyseur d'une réaction d'amplification chimique redox. Application à l'amélioration de sensibilité et/ou de la densité optique maximale de l'image de charges électrographique, notamment dans les procédés de formation d'images par électrographie, par migration électrophorétique et par voie électrostatique modulée.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/794,183 US4307168A (en) | 1977-05-05 | 1977-05-05 | Amplification of developed electrographic image patterns |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2401446A1 true FR2401446A1 (fr) | 1979-03-23 |
FR2401446B1 FR2401446B1 (fr) | 1983-01-28 |
Family
ID=25161935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7813301A Granted FR2401446A1 (fr) | 1977-05-05 | 1978-05-05 | Particules marquantes electrographiques et procedes d'amplification d'images electrographiques developpees |
Country Status (7)
Country | Link |
---|---|
US (1) | US4307168A (fr) |
JP (1) | JPS53138340A (fr) |
CA (1) | CA1117347A (fr) |
DE (1) | DE2819885A1 (fr) |
FR (1) | FR2401446A1 (fr) |
GB (1) | GB1601748A (fr) |
NL (1) | NL7804875A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK153337C (da) * | 1979-04-11 | 1988-11-14 | Platonec Aps | Fremgangsmaade til toer sensibilisering af en isolerende overflade |
US4552848A (en) * | 1983-05-16 | 1985-11-12 | Eastman Kodak Company | Macromolecule determination by physical development |
DE3326253A1 (de) * | 1983-07-21 | 1985-01-31 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur metallisierung eines festen koerpers |
US4719145A (en) * | 1983-09-28 | 1988-01-12 | Rohm And Haas Company | Catalytic process and systems |
US4681828A (en) * | 1986-09-02 | 1987-07-21 | Eastman Kodak Company | Method of chemical electrographic image amplification using chemically active toner particles |
JPH0498274U (fr) * | 1991-01-22 | 1992-08-25 | ||
CA2113169C (fr) * | 1991-07-09 | 2003-05-27 | Benzion Landa | Appareil de developpement d'images latentes |
USRE37859E1 (en) | 1991-07-09 | 2002-09-24 | Indigo N.V. | Development control system |
US5567564A (en) * | 1992-07-09 | 1996-10-22 | Xerox Corporation | Liquid development composition having a colorant comprising a stable dispersion of magnetic particles in an aqueous medium |
DE69309451T2 (de) * | 1993-06-18 | 1997-07-10 | Xeikon Nv | Elektrostatisches Druckverfahren unter Verwendung farblosen Toners |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1231903A (fr) * | 1959-06-16 | 1960-10-04 | Gevaert Photo Prod Nv | Procédé électrophotographique |
FR1296279A (fr) * | 1960-07-28 | 1962-06-15 | Kodak Pathe | Nouveau procédé d'enregistrement électrolytique des images |
DE1472911A1 (de) * | 1962-04-11 | 1969-04-24 | Commw Of Australia | Verfahren zum Entwickeln elektrostatischer Bilder |
DE2400185A1 (de) * | 1973-01-04 | 1974-07-18 | Xerox Corp | Elektrophoretisches bilderzeugungsverfahren |
DE2532306A1 (de) * | 1974-07-18 | 1976-01-29 | Fuji Photo Film Co Ltd | Photoelektrophoretisches aufzeichnungsverfahren fuer farbbilder |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA674549A (en) | 1963-11-19 | Radio Corporation Of America | Methods and materials for preparing etch resists | |
US3280036A (en) * | 1959-07-31 | 1966-10-18 | Burroughs Corp | Electrostatic printing ink and process for preparing same |
US3150976A (en) * | 1960-02-04 | 1964-09-29 | Rca Corp | Electrostatic printing |
US3215527A (en) * | 1960-09-02 | 1965-11-02 | Rca Corp | Method for preparing cured polymeric etch resists using a xerographic developer containing a curable polymer |
US3231374A (en) * | 1960-09-02 | 1966-01-25 | Rca Corp | Methods for preparing etch resists using an electrostatic image developer composition |
US3719490A (en) * | 1967-07-13 | 1973-03-06 | Eastman Kodak Co | Photosensitive element containing a photoreducible palladium compound and the use thereof in physical development |
BE757068A (fr) | 1969-10-03 | 1971-03-16 | Eastman Kodak Co | Preparation de sels metalliques de colorants sulfones et carboxyles utilisables comme pigments dans des revelateurs electroscopiques |
US3826652A (en) * | 1971-10-14 | 1974-07-30 | Eastman Kodak Co | Process for developing radiation-sensitive elements |
CA986770A (en) | 1972-04-10 | 1976-04-06 | Jack C. Goldfrank | Pressure fixable magnetic toners |
-
1977
- 1977-05-05 US US05/794,183 patent/US4307168A/en not_active Expired - Lifetime
-
1978
- 1978-04-06 CA CA000300616A patent/CA1117347A/fr not_active Expired
- 1978-05-04 JP JP5366678A patent/JPS53138340A/ja active Pending
- 1978-05-05 NL NL7804875A patent/NL7804875A/xx not_active Application Discontinuation
- 1978-05-05 FR FR7813301A patent/FR2401446A1/fr active Granted
- 1978-05-05 GB GB17992/78A patent/GB1601748A/en not_active Expired
- 1978-05-05 DE DE19782819885 patent/DE2819885A1/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1231903A (fr) * | 1959-06-16 | 1960-10-04 | Gevaert Photo Prod Nv | Procédé électrophotographique |
FR1296279A (fr) * | 1960-07-28 | 1962-06-15 | Kodak Pathe | Nouveau procédé d'enregistrement électrolytique des images |
DE1472911A1 (de) * | 1962-04-11 | 1969-04-24 | Commw Of Australia | Verfahren zum Entwickeln elektrostatischer Bilder |
DE2400185A1 (de) * | 1973-01-04 | 1974-07-18 | Xerox Corp | Elektrophoretisches bilderzeugungsverfahren |
FR2213522A1 (fr) * | 1973-01-04 | 1974-08-02 | Xerox Corp | |
DE2532306A1 (de) * | 1974-07-18 | 1976-01-29 | Fuji Photo Film Co Ltd | Photoelektrophoretisches aufzeichnungsverfahren fuer farbbilder |
Non-Patent Citations (1)
Title |
---|
EXBK/77 * |
Also Published As
Publication number | Publication date |
---|---|
FR2401446B1 (fr) | 1983-01-28 |
DE2819885A1 (de) | 1978-11-09 |
CA1117347A (fr) | 1982-02-02 |
JPS53138340A (en) | 1978-12-02 |
US4307168A (en) | 1981-12-22 |
GB1601748A (en) | 1981-11-04 |
NL7804875A (nl) | 1978-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |