CA933356A - Pressure sensitive phthalide compound copying papers - Google Patents

Pressure sensitive phthalide compound copying papers

Info

Publication number
CA933356A
CA933356A CA112990A CA112990A CA933356A CA 933356 A CA933356 A CA 933356A CA 112990 A CA112990 A CA 112990A CA 112990 A CA112990 A CA 112990A CA 933356 A CA933356 A CA 933356A
Authority
CA
Canada
Prior art keywords
pressure sensitive
copying papers
phthalide compound
compound copying
phthalide
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
CA112990A
Inventor
Miyazawa Yosihide
Motohasi Katuiti
Ogawa Satoshi
Ozutsumi Minoru
Mishima Shizuo
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
Application granted granted Critical
Publication of CA933356A publication Critical patent/CA933356A/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)
  • Furan Compounds (AREA)
  • Indole Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
CA112990A 1970-05-15 1971-05-14 Pressure sensitive phthalide compound copying papers Expired CA933356A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CA933356A true CA933356A (en) 1973-09-11

Family

ID=26380461

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112990A Expired CA933356A (en) 1970-05-15 1971-05-14 Pressure sensitive phthalide compound copying papers

Country Status (7)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49118514A (en) * 1973-03-15 1974-11-13
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
GB1460151A (en) * 1973-05-21 1976-12-31 Ciba Geigy Nitrophthalides their mahufacture and their use in recording systems-
US4182714A (en) * 1976-12-29 1980-01-08 Sterling Drug Inc. Carbazole containing phthalides
GB1564559A (en) * 1976-12-29 1980-04-10 Sterling Drug Inc 3(diphenylamino) 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 (en) * 1977-11-10 1985-08-22 Bayer Ag, 5090 Leverkusen Pressure and heat sensitive recording material
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
GB1310322A (en) 1973-03-21
DE2124084A1 (en) 1971-11-25
FR2090067A1 (en) 1972-01-14
FR2090067B1 (en) 1973-06-08
US3736168A (en) 1973-05-29
DE2124084B2 (en) 1975-02-13
ES391549A1 (en) 1973-06-16
IE35853B1 (en) 1976-06-09
IE35853L (en) 1971-11-15

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