JPH0476790B2 - - Google Patents

Info

Publication number
JPH0476790B2
JPH0476790B2 JP63187765A JP18776588A JPH0476790B2 JP H0476790 B2 JPH0476790 B2 JP H0476790B2 JP 63187765 A JP63187765 A JP 63187765A JP 18776588 A JP18776588 A JP 18776588A JP H0476790 B2 JPH0476790 B2 JP H0476790B2
Authority
JP
Japan
Prior art keywords
color
leuco dyes
acid
mixture
color developer
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
JP63187765A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0236983A (ja
Inventor
Hiroshi Takahashi
Fumiharu Iwasaki
Hiromichi Sakojiri
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments and Electronics 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 Seiko Instruments and Electronics Ltd filed Critical Seiko Instruments and Electronics Ltd
Priority to JP63187765A priority Critical patent/JPH0236983A/ja
Publication of JPH0236983A publication Critical patent/JPH0236983A/ja
Publication of JPH0476790B2 publication Critical patent/JPH0476790B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Sensitive Colour Forming Recording (AREA)
  • Color Printing (AREA)
JP63187765A 1988-07-27 1988-07-27 ロイコ系色素用顕色剤 Granted JPH0236983A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63187765A JPH0236983A (ja) 1988-07-27 1988-07-27 ロイコ系色素用顕色剤

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63187765A JPH0236983A (ja) 1988-07-27 1988-07-27 ロイコ系色素用顕色剤

Publications (2)

Publication Number Publication Date
JPH0236983A JPH0236983A (ja) 1990-02-06
JPH0476790B2 true JPH0476790B2 (cg-RX-API-DMAC7.html) 1992-12-04

Family

ID=16211817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63187765A Granted JPH0236983A (ja) 1988-07-27 1988-07-27 ロイコ系色素用顕色剤

Country Status (1)

Country Link
JP (1) JPH0236983A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPH0236983A (ja) 1990-02-06

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Legal Events

Date Code Title Description
S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

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LAPS Cancellation because of no payment of annual fees