GB1310322A - Phthalide compounds and their use as colour formers in pressure sensitive recording - Google Patents

Phthalide compounds and their use as colour formers in pressure sensitive recording

Info

Publication number
GB1310322A
GB1310322A GB1506771A GB1506771A GB1310322A GB 1310322 A GB1310322 A GB 1310322A GB 1506771 A GB1506771 A GB 1506771A GB 1506771 A GB1506771 A GB 1506771A GB 1310322 A GB1310322 A GB 1310322A
Authority
GB
United Kingdom
Prior art keywords
methyl
ethyl
hydrogen atoms
phenyl group
group
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
GB1506771A
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
Priority claimed from JP45040954A external-priority patent/JPS4833208B1/ja
Priority claimed from JP45051888A external-priority patent/JPS4833211B1/ja
Application filed by Hodogaya Chemical Co Ltd, Fuji Photo Film Co Ltd filed Critical Hodogaya Chemical Co Ltd
Publication of GB1310322A publication Critical patent/GB1310322A/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
    • B41M5/136—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
    • Y10T428/254—Polymeric or resinous material
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31844—Of natural gum, rosin, natural oil or lac

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Indole Compounds (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB1506771A 1970-05-15 1971-05-14 Phthalide compounds and their use as colour formers in pressure sensitive recording Expired GB1310322A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP45040954A JPS4833208B1 (enrdf_load_stackoverflow) 1970-05-15 1970-05-15
JP45051888A JPS4833211B1 (enrdf_load_stackoverflow) 1970-06-17 1970-06-17

Publications (1)

Publication Number Publication Date
GB1310322A true GB1310322A (en) 1973-03-21

Family

ID=26380461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1506771A Expired GB1310322A (en) 1970-05-15 1971-05-14 Phthalide compounds and their use as colour formers in pressure sensitive recording

Country Status (7)

Country Link
US (1) US3736168A (enrdf_load_stackoverflow)
CA (1) CA933356A (enrdf_load_stackoverflow)
DE (1) DE2124084B2 (enrdf_load_stackoverflow)
ES (1) ES391549A1 (enrdf_load_stackoverflow)
FR (1) FR2090067B1 (enrdf_load_stackoverflow)
GB (1) GB1310322A (enrdf_load_stackoverflow)
IE (1) IE35853B1 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49118514A (enrdf_load_stackoverflow) * 1973-03-15 1974-11-13
GB1460151A (en) * 1973-05-21 1976-12-31 Ciba Geigy Nitrophthalides their mahufacture and their use in recording systems-
GB1464251A (en) * 1973-05-21 1977-02-09 Ciba Geigy Ag Thermo-reactive colour recording material
GB1460751A (en) * 1973-05-21 1977-01-06 Ciba Geigy Ag 3-indolyl-3-phenyl-phthalide compounds their manufacture and their use
GB1564559A (en) * 1976-12-29 1980-04-10 Sterling Drug Inc 3(diphenylamino) phthalides
US4182714A (en) * 1976-12-29 1980-01-08 Sterling Drug Inc. Carbazole containing phthalides
US4189171A (en) * 1977-03-01 1980-02-19 Sterling Drug Inc. Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides
DE2750283C2 (de) * 1977-11-10 1985-08-22 Bayer Ag, 5090 Leverkusen Druck- und wärmeempfindliches Aufzeichnungsmaterial
US4337340A (en) * 1979-06-14 1982-06-29 Sterling Drug Inc. Processes for preparing substituted furopyridinones and furopyrazinones

Also Published As

Publication number Publication date
IE35853B1 (en) 1976-06-09
DE2124084A1 (de) 1971-11-25
US3736168A (en) 1973-05-29
DE2124084B2 (de) 1975-02-13
CA933356A (en) 1973-09-11
IE35853L (en) 1971-11-15
FR2090067B1 (enrdf_load_stackoverflow) 1973-06-08
ES391549A1 (es) 1973-06-16
FR2090067A1 (enrdf_load_stackoverflow) 1972-01-14

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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