CA926617A - Pressure sensitive copying paper - Google Patents

Pressure sensitive copying paper

Info

Publication number
CA926617A
CA926617A CA094968A CA94968A CA926617A CA 926617 A CA926617 A CA 926617A CA 094968 A CA094968 A CA 094968A CA 94968 A CA94968 A CA 94968A CA 926617 A CA926617 A CA 926617A
Authority
CA
Canada
Prior art keywords
pressure sensitive
copying paper
sensitive copying
paper
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
CA094968A
Other versions
CA94968S (en
Inventor
Osada Chiaki
Ono Hisatake
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
Original Assignee
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of CA926617A publication Critical patent/CA926617A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/10—Spiro-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
    • B41M5/15—Spiro-pyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
CA094968A 1969-10-08 1970-10-06 Pressure sensitive copying paper Expired CA926617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8053769 1969-10-08

Publications (1)

Publication Number Publication Date
CA926617A true CA926617A (en) 1973-05-22

Family

ID=13721087

Family Applications (1)

Application Number Title Priority Date Filing Date
CA094968A Expired CA926617A (en) 1969-10-08 1970-10-06 Pressure sensitive copying paper

Country Status (6)

Country Link
US (1) US3703398A (en)
CA (1) CA926617A (en)
DE (1) DE2049279C3 (en)
FR (1) FR2065164A5 (en)
GB (1) GB1275695A (en)
IE (1) IE35006B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934070A (en) * 1970-10-23 1976-01-20 Fuji Photo Film Co., Ltd. Recording sheet and color developer therefor
JPS527373B2 (en) * 1972-08-15 1977-03-02
US4792224A (en) * 1986-11-28 1988-12-20 Ppg Industries, Inc. Photochromic compound and articles containing the same

Also Published As

Publication number Publication date
DE2049279B2 (en) 1973-02-15
IE35006B1 (en) 1975-10-15
FR2065164A5 (en) 1971-07-23
DE2049279A1 (en) 1971-04-22
US3703398A (en) 1972-11-21
IE35006L (en) 1971-04-08
GB1275695A (en) 1972-05-24
DE2049279C3 (en) 1973-10-04

Similar Documents

Publication Publication Date Title
CA985943A (en) Pressure fixable toner
CA1005819A (en) Pressure sensitive copying paper
CA922013A (en) Pressure sensitive hydrophone
JPS5711089A (en) Pressure sensitive copying paper
CA1026095A (en) Pressure sensitive copy paper
CA920891A (en) Pressure-sensitive copying material
CA923655A (en) Paper frictionizing
CA933356A (en) Pressure sensitive phthalide compound copying papers
CA928162A (en) Clay-coated sheet for pressure-sensitive copying sheet
CA928544A (en) Paper forming arrangement
CA944150A (en) Pressure-sensitive copying paper
CA926617A (en) Pressure sensitive copying paper
CA918918A (en) Pressure-sensitive copying paper
CA969960A (en) Pressure sensitive copying paper
CA814948A (en) Pressure sensitive copying paper
CA813844A (en) Pressure sensitive copying paper
CA935170A (en) Pressure sensitive copying paper
AU445374B2 (en) Pressure sensitive copying paper
AU2365870A (en) Pressure sensitive copying paper
CA811090A (en) Pressure-sensitive copying paper
CA837545A (en) Pressure sensitive copying papers
CA910737A (en) Pressure sensitive copying paper
AU430888B2 (en) Pressure sensitive copying paper
CA807564A (en) Paper for copying
CA863401A (en) Adhesive for pressure sensitive copying papers