GB893549A - Controlled tone development for electrophotography - Google Patents

Controlled tone development for electrophotography

Info

Publication number
GB893549A
GB893549A GB24437/58A GB2443758A GB893549A GB 893549 A GB893549 A GB 893549A GB 24437/58 A GB24437/58 A GB 24437/58A GB 2443758 A GB2443758 A GB 2443758A GB 893549 A GB893549 A GB 893549A
Authority
GB
United Kingdom
Prior art keywords
liquid
volume resistivity
electrophotography
addition
tone development
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
GB24437/58A
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.)
Commonwealth of Australia
Original Assignee
Commonwealth of Australia
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 Commonwealth of Australia filed Critical Commonwealth of Australia
Publication of GB893549A publication Critical patent/GB893549A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03G9/12—Developers with toner particles in liquid developer mixtures
    • G03G9/135—Developers with toner particles in liquid developer mixtures characterised by stabiliser or charge-controlling agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/37—Printing employing electrostatic force

Abstract

893,549. Electrophotographic development. AUSTRALIA, COMMONWEALTH OF. July 29, 1958 [Aug. 5, 1957], No. 24437/58. Drawings to Specification. Class 98(2). Electrostatic charge images are developed in, a liquid developer comprising pigment particles suspended in a liquid of high volume resistivity to which a liquid of lower volume resistivity has been added in order to increase the rate of decay of the image charges and so control the tone of the developed image. The liquid of high volume resistivity may be iso-octane, hexane or "Shellite", and its resistivity may be reduced by the addition of tetrahydronaphthalene, tetrachloro-ethylene or mineral turpentine. Reference also is made to the addition of chloroform or acetone. Specification 835,044 is referred to.
GB24437/58A 1957-08-05 1958-07-29 Controlled tone development for electrophotography Expired GB893549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU893549X 1957-08-05

Publications (1)

Publication Number Publication Date
GB893549A true GB893549A (en) 1962-04-11

Family

ID=3763553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24437/58A Expired GB893549A (en) 1957-08-05 1958-07-29 Controlled tone development for electrophotography

Country Status (3)

Country Link
US (1) US3032432A (en)
DE (1) DE1108562B (en)
GB (1) GB893549A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001888A (en) * 1957-09-25 1961-09-26 Metcalfe Kenneth Archibald Method of developing an electrostatic image
US3244633A (en) * 1961-10-24 1966-04-05 Gen Aniline & Film Corp Liquid developers for developing electrostatic images
NL295272A (en) * 1962-07-12
US3417019A (en) * 1962-12-27 1968-12-17 Eastman Kodak Co Xerographic development
GB1070748A (en) * 1963-07-11 1967-06-01 Commw Of Australia Electrophotographic developer
GB1095504A (en) * 1964-03-06 1967-12-20
DE1497123A1 (en) * 1964-03-23 1969-08-07 Commw Of Australia Method for controlling the relative polarity of liquid developers for electrostatic printing
US3804658A (en) * 1964-07-09 1974-04-16 K Metcalfe Method of improving development of xerographic images
US3510338A (en) * 1965-08-06 1970-05-05 Inmont Corp Method of electrostatic printing
US3528097A (en) * 1967-03-14 1970-09-08 Matsushita Electric Ind Co Ltd Liquid developers for developing electrostatic images
US3640863A (en) * 1968-06-05 1972-02-08 Ricoh Kk A liquid electrostatic having pigment particles coated with a cyclized rubber
US3993483A (en) * 1974-01-22 1976-11-23 Canon Kabushiki Kaisha Liquid developer for electrostatic image
US3986968A (en) * 1974-02-01 1976-10-19 Rank Xerox Ltd. Milled and polar solvent extracted liquid developer
US4259428A (en) * 1978-03-16 1981-03-31 Canon Kabushiki Kaisha Liquid developer for electrostatic latent image
US4663264A (en) * 1986-04-28 1987-05-05 E. I. Du Pont De Nemours And Company Liquid electrostatic developers containing aromatic hydrocarbons

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1451092A (en) * 1919-01-04 1923-04-10 Ellis Foster Co Cumaron paint
US1771538A (en) * 1927-03-30 1930-07-29 Du Pont Coated product
US2297691A (en) * 1939-04-04 1942-10-06 Chester F Carlson Electrophotography
FR1112180A (en) * 1953-09-15 1956-03-09 Horizons Electrostatic printing method and device
US2913353A (en) * 1955-02-08 1959-11-17 Gen Dynamics Corp Method and apparatus for developing electrostatic image
DE1066088B (en) * 1955-02-08 1959-09-24 General Dynamics Corporation, San Diego, Calif. (V. St. A.) Method and apparatus for selectively producing negative and positive visible images from the same electrostatic latent image
US2891911A (en) * 1955-06-06 1959-06-23 Gen Dynamics Corp Developer for electrostatic printing
NL213305A (en) * 1955-12-29
US2899335A (en) * 1956-10-31 1959-08-11 Process for developing electrostatic

Also Published As

Publication number Publication date
DE1108562B (en) 1961-06-08
US3032432A (en) 1962-05-01

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