ATE148662T1 - Latentbilddruckverfahren, vorrichtung und substrat - Google Patents

Latentbilddruckverfahren, vorrichtung und substrat

Info

Publication number
ATE148662T1
ATE148662T1 AT94904071T AT94904071T ATE148662T1 AT E148662 T1 ATE148662 T1 AT E148662T1 AT 94904071 T AT94904071 T AT 94904071T AT 94904071 T AT94904071 T AT 94904071T AT E148662 T1 ATE148662 T1 AT E148662T1
Authority
AT
Austria
Prior art keywords
latent image
color
pair
substrate
printing method
Prior art date
Application number
AT94904071T
Other languages
English (en)
Inventor
Arshavir Gundjian
Original Assignee
Nocopi Tech Inc
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 US07/996,550 external-priority patent/US5424266A/en
Application filed by Nocopi Tech Inc filed Critical Nocopi Tech Inc
Application granted granted Critical
Publication of ATE148662T1 publication Critical patent/ATE148662T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/001—Printing processes to produce particular kinds of printed work, e.g. patterns using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
    • 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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Printing Methods (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
AT94904071T 1992-12-24 1993-12-07 Latentbilddruckverfahren, vorrichtung und substrat ATE148662T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/996,550 US5424266A (en) 1991-04-15 1992-12-24 Latent image printing process and substrate

Publications (1)

Publication Number Publication Date
ATE148662T1 true ATE148662T1 (de) 1997-02-15

Family

ID=25543040

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94904071T ATE148662T1 (de) 1992-12-24 1993-12-07 Latentbilddruckverfahren, vorrichtung und substrat

Country Status (4)

Country Link
US (1) US5750462A (de)
JP (1) JPH08507726A (de)
AT (1) ATE148662T1 (de)
DE (1) DE69308039T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6013601A (en) * 1997-09-12 2000-01-11 Nocopi Technologies, Inc. Laser printing method and substrate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123180B1 (de) * 1971-06-04 1976-07-15
US4869981A (en) * 1988-03-23 1989-09-26 Olin Corporation Electrostatic method for multicolor imaging from a single toner bath

Also Published As

Publication number Publication date
US5750462A (en) 1998-05-12
JPH08507726A (ja) 1996-08-20
DE69308039D1 (de) 1997-03-20
DE69308039T2 (de) 1997-08-28

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties