AU2025670A - Improvements in and relating to copying papers - Google Patents

Improvements in and relating to copying papers

Info

Publication number
AU2025670A
AU2025670A AU20256/70A AU2025670A AU2025670A AU 2025670 A AU2025670 A AU 2025670A AU 20256/70 A AU20256/70 A AU 20256/70A AU 2025670 A AU2025670 A AU 2025670A AU 2025670 A AU2025670 A AU 2025670A
Authority
AU
Australia
Prior art keywords
relating
copying papers
papers
copying
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
AU20256/70A
Inventor
Edward Colebrook Brian
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.)
Arjo Wiggins Ltd
Original Assignee
Wiggins Teape Research and Development Ltd
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 Wiggins Teape Research and Development Ltd filed Critical Wiggins Teape Research and Development Ltd
Publication of AU2025670A publication Critical patent/AU2025670A/en
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
    • B41M5/124—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
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
    • B41M5/1555—Inorganic mineral developers, e.g. clays
AU20256/70A 1969-09-26 1970-09-23 Improvements in and relating to copying papers Expired AU2025670A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB47566/69 1969-09-26
GB4756669 1969-09-26

Publications (1)

Publication Number Publication Date
AU2025670A true AU2025670A (en) 1972-03-30

Family

ID=10445446

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20256/70A Expired AU2025670A (en) 1969-09-26 1970-09-23 Improvements in and relating to copying papers

Country Status (3)

Country Link
AU (1) AU2025670A (en)
BE (1) BE756601A (en)
ZA (1) ZA706478B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT372909B (en) * 1979-03-20 1983-11-25 Manuel Ing Cespon COLOR DEVELOPER MATERIALS FOR THE PRODUCTION OF A PRESSURE-SENSITIVE RECORDING MATERIAL WITH PARTICULARLY STRONG COLOR FORMATION AND LIGHT-RESISTANCE
IT1115167B (en) * 1979-04-09 1986-02-03 Maf Macchine Flessografiche Di SELF-COPYING PAPER ESPECIALLY FOR THE FORMATION OF MODULES AND OTHER PRINTINGS PREPARED IN THE FORM OF A PLURALITY OF STACKED SHEETS

Also Published As

Publication number Publication date
ZA706478B (en) 1972-04-26
BE756601A (en) 1971-03-24

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