GB1425547A - Lactone colour-formers for pressure-sensitive recording material - Google Patents

Lactone colour-formers for pressure-sensitive recording material

Info

Publication number
GB1425547A
GB1425547A GB1151174A GB1151174A GB1425547A GB 1425547 A GB1425547 A GB 1425547A GB 1151174 A GB1151174 A GB 1151174A GB 1151174 A GB1151174 A GB 1151174A GB 1425547 A GB1425547 A GB 1425547A
Authority
GB
United Kingdom
Prior art keywords
sensitive recording
formers
colour
lactone
pressure
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
GB1151174A
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.)
Fujifilm Holdings Corp
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya Chemical Co Ltd
Fuji Photo Film Co 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 Hodogaya Chemical Co Ltd, Fuji Photo Film Co Ltd filed Critical Hodogaya Chemical Co Ltd
Publication of GB1425547A publication Critical patent/GB1425547A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • 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
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Color Printing (AREA)
GB1151174A 1973-03-15 1974-03-14 Lactone colour-formers for pressure-sensitive recording material Expired GB1425547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48029468A JPS49118514A (xx) 1973-03-15 1973-03-15

Publications (1)

Publication Number Publication Date
GB1425547A true GB1425547A (en) 1976-02-18

Family

ID=12276921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1151174A Expired GB1425547A (en) 1973-03-15 1974-03-14 Lactone colour-formers for pressure-sensitive recording material

Country Status (5)

Country Link
US (1) US3916070A (xx)
JP (1) JPS49118514A (xx)
BE (1) BE812406A (xx)
DE (1) DE2412640C3 (xx)
GB (1) GB1425547A (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3116815A1 (de) * 1980-04-28 1982-02-11 Yamamoto Kagaku Gosei K.K., Yao, Osaka Chromogenes material
GB2138836A (en) * 1983-04-07 1984-10-31 Ciba Geigy Ag Process for the preparation of 4-azaphthalide compounds

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046941A (en) * 1972-09-27 1977-09-06 Sanko Chemical Company Ltd. Support sheet with sensitized coating of organic acid substance and organic high molecular compound particulate mixture
JPS585210B2 (ja) * 1973-07-24 1983-01-29 保土谷化学工業株式会社 シキソ ノ セイソクウホウホウ
AT340954B (de) * 1975-06-06 1978-01-10 Koreska Ges Mbh W Ubertragungsmaterial
US4211872A (en) * 1978-12-11 1980-07-08 Hung William M Substituted furopyridinones and furopyrazinones
US4243250A (en) * 1979-06-14 1981-01-06 Sterling Drug Inc. Carbonless duplicating systems
US4232887A (en) * 1979-03-05 1980-11-11 Appleton Papers Inc. Lactone compounds containing an indolizine radical
US4242513A (en) * 1979-03-05 1980-12-30 Appleton Papers Inc. Lactone compounds containing a heterocyclic radical
US4337340A (en) 1979-06-14 1982-06-29 Sterling Drug Inc. Processes for preparing substituted furopyridinones and furopyrazinones
EP0036117B1 (de) * 1980-03-14 1986-02-05 Spezial-Papiermaschinenfabrik August Alfred Krupp GmbH & Co Druckempfindliches Aufzeichnungsmaterial
JPS5798391A (en) * 1980-12-12 1982-06-18 Mitsui Toatsu Chem Inc Microcapsule liquid containing coloring matter for recording material
US4668790A (en) * 1981-12-23 1987-05-26 Ciba-Geigy Corporation Chromogenic dihydrofuropyridinones
US4508897A (en) * 1981-12-23 1985-04-02 Ciba Geigy Corporation Preparation of chromogenic azaphthalides
CH653353A5 (de) * 1983-05-09 1985-12-31 Ciba Geigy Ag Chromogene 3,3-bisindolyl-4-azaphthalide.
CH664578A5 (de) * 1985-01-15 1988-03-15 Ciba Geigy Ag Ringsubstituierte 4-azaphthalide.
ES2167303T3 (es) * 1986-10-28 2002-05-16 Ciba Sc Holding Ag Ftalidas cromogenas.
US20050075420A1 (en) * 2003-10-06 2005-04-07 Terry Stovold Invisible ink
US20050165131A1 (en) * 2003-10-06 2005-07-28 Terry Stovold Invisible ink
US8053494B2 (en) * 2003-10-06 2011-11-08 Nocopi Technologies, Inc. Invisible ink and scratch pad

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594369A (en) * 1969-01-21 1971-07-20 Ncr Co 3,5(6)-disubstituted-3-(para-diloweralkyl-aminophenyl) phthalides
IE35853B1 (en) * 1970-05-15 1976-06-09 Hodogaya Chemical Co Ltd Novel phthalide compounds and their use as colour formers in pressure sensitive recording
BE791793A (fr) * 1971-12-06 1973-03-16 Ncr Co Composes chromogenes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3116815A1 (de) * 1980-04-28 1982-02-11 Yamamoto Kagaku Gosei K.K., Yao, Osaka Chromogenes material
GB2138836A (en) * 1983-04-07 1984-10-31 Ciba Geigy Ag Process for the preparation of 4-azaphthalide compounds

Also Published As

Publication number Publication date
DE2412640B2 (de) 1978-04-06
BE812406A (fr) 1974-07-01
US3916070A (en) 1975-10-28
JPS49118514A (xx) 1974-11-13
DE2412640C3 (de) 1978-11-30
DE2412640A1 (de) 1974-09-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee