EP0056096A3 - Process for multi-color electrolytic printing - Google Patents

Process for multi-color electrolytic printing Download PDF

Info

Publication number
EP0056096A3
EP0056096A3 EP81109158A EP81109158A EP0056096A3 EP 0056096 A3 EP0056096 A3 EP 0056096A3 EP 81109158 A EP81109158 A EP 81109158A EP 81109158 A EP81109158 A EP 81109158A EP 0056096 A3 EP0056096 A3 EP 0056096A3
Authority
EP
European Patent Office
Prior art keywords
electrolytic printing
substrate
color
color electrolytic
printing
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Withdrawn
Application number
EP81109158A
Other languages
German (de)
French (fr)
Other versions
EP0056096A2 (en
Inventor
William Emmett Bernier
Hi Dong Chai
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0056096A2 publication Critical patent/EP0056096A2/en
Publication of EP0056096A3 publication Critical patent/EP0056096A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/20—Duplicating or marking methods; Sheet materials for use therein using electric current

Landscapes

  • Color Printing (AREA)
  • Electronic Switches (AREA)

Abstract

The invention relates to a process for multi-color electrolytic printing.
This process is achieved by applying to selected portions of a substrate a plurality of electric currents of controlled voltage and controlled pulsewidth, said substrate comprising a plurality of leuco dyes each having a different sensitivity to the threshold potential and pulse width of current required to convert the leuco dye to the colored form thereof.
EP81109158A 1981-01-09 1981-10-29 Process for multi-color electrolytic printing Withdrawn EP0056096A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22361681A 1981-01-09 1981-01-09
US223616 1981-01-09

Publications (2)

Publication Number Publication Date
EP0056096A2 EP0056096A2 (en) 1982-07-21
EP0056096A3 true EP0056096A3 (en) 1983-03-23

Family

ID=22837278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81109158A Withdrawn EP0056096A3 (en) 1981-01-09 1981-10-29 Process for multi-color electrolytic printing

Country Status (1)

Country Link
EP (1) EP0056096A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374001A (en) * 1981-02-05 1983-02-15 International Business Machines Corporation Electrolytic printing
EP0097220B1 (en) * 1982-06-18 1988-06-08 International Business Machines Corporation The stabilization of leucomethylene blue dyes on a printing substrate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE817821C (en) * 1948-12-31 1951-10-22 Siemens & Halske A G Writing device for registering measuring devices
DE1020261B (en) * 1953-10-06 1957-11-28 Atlas Werke Ag Electrically sensitive paper
FR1499526A (en) * 1965-10-20 1967-10-27 Allied Chem A method of electrographically producing images by passing an electric current through a sensitive composition and electrographic sheets for use in the method
DE2164387A1 (en) * 1970-12-25 1972-10-05 Jujo Paper Co Ltd Electrical recording medium and method of recording thereon
US3864684A (en) * 1974-03-22 1975-02-04 Mitsubishi Paper Mills Ltd Multicolor electrothermic recording sheet
EP0020974A1 (en) * 1979-05-24 1981-01-07 International Business Machines Corporation Electrochromic printing ink dissolved in water and method for printing with this printing ink

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE817821C (en) * 1948-12-31 1951-10-22 Siemens & Halske A G Writing device for registering measuring devices
DE1020261B (en) * 1953-10-06 1957-11-28 Atlas Werke Ag Electrically sensitive paper
FR1499526A (en) * 1965-10-20 1967-10-27 Allied Chem A method of electrographically producing images by passing an electric current through a sensitive composition and electrographic sheets for use in the method
DE2164387A1 (en) * 1970-12-25 1972-10-05 Jujo Paper Co Ltd Electrical recording medium and method of recording thereon
US3864684A (en) * 1974-03-22 1975-02-04 Mitsubishi Paper Mills Ltd Multicolor electrothermic recording sheet
EP0020974A1 (en) * 1979-05-24 1981-01-07 International Business Machines Corporation Electrochromic printing ink dissolved in water and method for printing with this printing ink

Also Published As

Publication number Publication date
EP0056096A2 (en) 1982-07-21

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19811029

AK Designated contracting states

Designated state(s): DE FR GB IT

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): DE FR GB IT

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840102

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BERNIER, WILLIAM EMMETT

Inventor name: CHAI, HI DONG