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FR1147858A - Perfectionnements aux procédés de production ou de reproduction de copies - Google Patents

Perfectionnements aux procédés de production ou de reproduction de copies

Info

Publication number
FR1147858A
FR1147858A FR1147858DA FR1147858A FR 1147858 A FR1147858 A FR 1147858A FR 1147858D A FR1147858D A FR 1147858DA FR 1147858 A FR1147858 A FR 1147858A
Authority
FR
France
Prior art keywords
copies
reproduction
production
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
Other languages
English (en)
Inventor
Denis Joseph O'sullivan
Eugene Lefebure
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 filed Critical
Application granted granted Critical
Publication of FR1147858A publication Critical patent/FR1147858A/fr
Expired 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
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0253—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Color Printing (AREA)
FR1147858D 1955-04-22 1956-04-23 Perfectionnements aux procédés de production ou de reproduction de copies Expired FR1147858A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1173555A GB795869A (en) 1955-04-22 1955-04-22 Improvements in or relating to methods of copy production or reproduction

Publications (1)

Publication Number Publication Date
FR1147858A true FR1147858A (fr) 1957-12-02

Family

ID=7068271

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1147858D Expired FR1147858A (fr) 1955-04-22 1956-04-23 Perfectionnements aux procédés de production ou de reproduction de copies

Country Status (4)

Country Link
CH (1) CH354465A (fr)
DE (1) DE1079080B (fr)
FR (1) FR1147858A (fr)
GB (1) GB795869A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398753A (en) * 1980-12-26 1983-08-16 Mitsui Toatsu Chemicals, Incorporated Pressure sensitive recording unit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL94963C (fr) * 1952-05-13

Also Published As

Publication number Publication date
DE1079080B (de) 1960-04-07
CH354465A (de) 1961-05-31
GB795869A (en) 1958-06-04

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