JPH0216316B2 - - Google Patents

Info

Publication number
JPH0216316B2
JPH0216316B2 JP56164261A JP16426181A JPH0216316B2 JP H0216316 B2 JPH0216316 B2 JP H0216316B2 JP 56164261 A JP56164261 A JP 56164261A JP 16426181 A JP16426181 A JP 16426181A JP H0216316 B2 JPH0216316 B2 JP H0216316B2
Authority
JP
Japan
Prior art keywords
formula
color
hydrogen
methyl
compound
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 - Lifetime
Application number
JP56164261A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5865754A (ja
Inventor
Haruki Niimoto
Masaharu Nomura
Tatsuya Numa
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.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku 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 Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Priority to JP56164261A priority Critical patent/JPS5865754A/ja
Publication of JPS5865754A publication Critical patent/JPS5865754A/ja
Publication of JPH0216316B2 publication Critical patent/JPH0216316B2/ja
Granted 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
    • B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
    • 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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/3275—Fluoran compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
JP56164261A 1981-10-16 1981-10-16 フルオラン化合物及びそれを用いる発色性感熱又は感圧記録シ−ト Granted JPS5865754A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56164261A JPS5865754A (ja) 1981-10-16 1981-10-16 フルオラン化合物及びそれを用いる発色性感熱又は感圧記録シ−ト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56164261A JPS5865754A (ja) 1981-10-16 1981-10-16 フルオラン化合物及びそれを用いる発色性感熱又は感圧記録シ−ト

Publications (2)

Publication Number Publication Date
JPS5865754A JPS5865754A (ja) 1983-04-19
JPH0216316B2 true JPH0216316B2 (en]) 1990-04-16

Family

ID=15789723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56164261A Granted JPS5865754A (ja) 1981-10-16 1981-10-16 フルオラン化合物及びそれを用いる発色性感熱又は感圧記録シ−ト

Country Status (1)

Country Link
JP (1) JPS5865754A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4538151A (en) * 1982-03-31 1985-08-27 Nippon Electric Co., Ltd. Electro-magnetic wave absorbing material
JPS59199758A (ja) * 1983-04-28 1984-11-12 Nippon Kayaku Co Ltd 感熱又は感圧記録シ−ト
JPS6040165A (ja) * 1983-08-12 1985-03-02 Sumitomo Chem Co Ltd フルオラン化合物の製造方法
JPS6040164A (ja) * 1983-08-12 1985-03-02 Sumitomo Chem Co Ltd フルオラン化合物の製造法
JPS6181463A (ja) * 1984-09-28 1986-04-25 Seimi Chem Kk フルオラン系化合物
JP6000686B2 (ja) * 2012-06-27 2016-10-05 三菱鉛筆株式会社 色素、それを用いたマイクロカプセル顔料及び筆記具用インク組成物

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5949771B2 (ja) * 1975-07-03 1984-12-05 昭和電線電纜株式会社 ケ−ブル自動延線法
JPS56146794A (en) * 1980-04-17 1981-11-14 Ricoh Co Ltd Heat sensitive recording material
JPS56146795A (en) * 1980-04-17 1981-11-14 Ricoh Co Ltd Heat sensitive recording material

Also Published As

Publication number Publication date
JPS5865754A (ja) 1983-04-19

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