GB1350032A - Method and system for forming coloured marks - Google Patents

Method and system for forming coloured marks

Info

Publication number
GB1350032A
GB1350032A GB2748972A GB2748972A GB1350032A GB 1350032 A GB1350032 A GB 1350032A GB 2748972 A GB2748972 A GB 2748972A GB 2748972 A GB2748972 A GB 2748972A GB 1350032 A GB1350032 A GB 1350032A
Authority
GB
United Kingdom
Prior art keywords
solvent
chromogenic
electron
water
record sheet
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
GB2748972A
Other languages
English (en)
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Publication of GB1350032A publication Critical patent/GB1350032A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • B41M5/165Duplicating 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 characterised by the use of microcapsules; Special solvents for incorporating the ingredients

Landscapes

  • Color Printing (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
GB2748972A 1971-06-22 1972-06-13 Method and system for forming coloured marks Expired GB1350032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15565771A 1971-06-22 1971-06-22

Publications (1)

Publication Number Publication Date
GB1350032A true GB1350032A (en) 1974-04-18

Family

ID=22556258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2748972A Expired GB1350032A (en) 1971-06-22 1972-06-13 Method and system for forming coloured marks

Country Status (8)

Country Link
US (1) US3769066A (enExample)
JP (1) JPS5532558B1 (enExample)
BE (1) BE785116A (enExample)
CA (1) CA961267A (enExample)
DE (1) DE2228449C3 (enExample)
FR (1) FR2143050B1 (enExample)
GB (1) GB1350032A (enExample)
IT (1) IT960647B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985298A (en) * 1973-05-23 1976-10-12 Moleculon Research Corporation Controlled release materials and method of use
EP0133353B1 (en) * 1983-07-26 1988-10-05 Fujikura Kasei Co., Ltd. Process for producing pressure-fixable toners

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US24899A (en) * 1859-07-26 Edwabd f
US2712507A (en) * 1953-06-30 1955-07-05 Ncr Co Pressure sensitive record material
NL95045C (enExample) * 1953-06-30
US2730457A (en) * 1953-06-30 1956-01-10 Ncr Co Pressure responsive record materials
US2800457A (en) * 1953-06-30 1957-07-23 Ncr Co Oil-containing microscopic capsules and method of making them
US3317433A (en) * 1958-10-23 1967-05-02 Ncr Co Heat rupturable capsules
US3226252A (en) * 1962-01-17 1965-12-28 Minerals & Chem Philipp Corp Color-reactable inorganic adsorbent pigment and sensitized sheet material coated therewith
US3432327A (en) * 1964-03-13 1969-03-11 Pilot Pen Co Ltd Pressure sensitive copying sheet and the production thereof
US3516943A (en) * 1966-12-06 1970-06-23 Ncr Co Replacement of capsule contents by diffusion
ZA6800330B (enExample) * 1967-01-23
US3491117A (en) * 1967-01-30 1970-01-20 Ncr Co Indole substituted pyromellitides
US3617325A (en) * 1969-06-17 1971-11-02 Chem Rite Associates Writing

Also Published As

Publication number Publication date
FR2143050B1 (enExample) 1973-12-07
CA961267A (en) 1975-01-21
IT960647B (it) 1973-11-30
BE785116A (fr) 1972-10-16
DE2228449C3 (de) 1974-06-20
FR2143050A1 (enExample) 1973-02-02
JPS5532558B1 (enExample) 1980-08-26
DE2228449A1 (de) 1973-01-11
DE2228449B2 (de) 1973-11-22
US3769066A (en) 1973-10-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee