BR9403473A - Bislactona, processo para a preparação de compostos, aplicação, compostos, processos para a preparação de formadores de cor, para a preparação de um material de desenho e material obtido - Google Patents

Bislactona, processo para a preparação de compostos, aplicação, compostos, processos para a preparação de formadores de cor, para a preparação de um material de desenho e material obtido

Info

Publication number
BR9403473A
BR9403473A BR9403473A BR9403473A BR9403473A BR 9403473 A BR9403473 A BR 9403473A BR 9403473 A BR9403473 A BR 9403473A BR 9403473 A BR9403473 A BR 9403473A BR 9403473 A BR9403473 A BR 9403473A
Authority
BR
Brazil
Prior art keywords
preparation
compounds
bisactactone
processes
application
Prior art date
Application number
BR9403473A
Other languages
English (en)
Inventor
Rudolf Zink
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of BR9403473A publication Critical patent/BR9403473A/pt

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10—Spiro-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (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)
  • Heat Sensitive Colour Forming Recording (AREA)
BR9403473A 1993-09-09 1994-09-08 Bislactona, processo para a preparação de compostos, aplicação, compostos, processos para a preparação de formadores de cor, para a preparação de um material de desenho e material obtido BR9403473A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH270493 1993-09-09

Publications (1)

Publication Number Publication Date
BR9403473A true BR9403473A (pt) 1995-05-16

Family

ID=4239723

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9403473A BR9403473A (pt) 1993-09-09 1994-09-08 Bislactona, processo para a preparação de compostos, aplicação, compostos, processos para a preparação de formadores de cor, para a preparação de um material de desenho e material obtido

Country Status (5)

Country Link
US (1) US5468855A (pt)
EP (1) EP0643062B1 (pt)
JP (1) JP3643132B2 (pt)
BR (1) BR9403473A (pt)
DE (1) DE59410412D1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6284707B1 (en) * 1998-07-03 2001-09-04 Nopon Paper Industries Co Ltd Thermally sensitive recording medium
CN114163459B (zh) * 2022-02-14 2022-05-06 北京高德品创科技有限公司 具有双罗丹明结构的热致变色材料、显色组合物及其制备方法和应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE397360B (sv) * 1970-10-13 1977-10-31 Kanzaki Paper Mfg Co Ltd Fluoranforeningar, speciellt bensfluoranforeningar, till anvendning som fergmaterial i registrerings- och kopieringssystem och sett att framstella dessa nya foreningar
US3715226A (en) * 1971-03-01 1973-02-06 Ncr Mark-forming record materials
GB1427318A (en) * 1972-05-02 1976-03-10 Wiggins Teape Ltd Colour formers
US3821010A (en) * 1973-02-05 1974-06-28 Champion Int Corp Bisfluoran chromogenic compounds,preparation thereof,and pressure-sensitive copy systems employing same
JPS6477574A (en) * 1987-09-18 1989-03-23 Fuji Photo Film Co Ltd Recording material
US4938763B1 (en) * 1988-10-03 1995-07-04 Atrix Lab Inc Biodegradable in-situ forming implants and method of producing the same
JPH0570701A (ja) * 1991-09-17 1993-03-23 Fuji Photo Film Co Ltd ビスラクトン化合物及びその製造方法
DE59306627D1 (de) * 1992-03-17 1997-07-10 Ciba Geigy Ag Fluoran Farbbildner

Also Published As

Publication number Publication date
EP0643062B1 (de) 2005-08-17
US5468855A (en) 1995-11-21
EP0643062A1 (de) 1995-03-15
JP3643132B2 (ja) 2005-04-27
JPH07179470A (ja) 1995-07-18
DE59410412D1 (de) 2005-09-22

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Legal Events

Date Code Title Description
PC Transfer

Free format text: CIBA SPECIALTY CHEMICALS HOLDING INC. - CIBA SPEZIALITATENCHEMIE HOLDING AG - CIBA SPECIALITES CHIMIQUES HOLDING SA. (CH)

HHT Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: republication

Free format text: TRANSFERIDO DE: CIBA-GEIGY AG REFERENCIA RPI 1453; CODIGO (25.1); ITEM (71)

EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal
CKFC Appeal: appeal against refusal
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time