CH557403A - PROCESS FOR THE MANUFACTURING OF CRYSTAL VIOLET LACTONE. - Google Patents

PROCESS FOR THE MANUFACTURING OF CRYSTAL VIOLET LACTONE.

Info

Publication number
CH557403A
CH557403A CH1637871A CH1637871A CH557403A CH 557403 A CH557403 A CH 557403A CH 1637871 A CH1637871 A CH 1637871A CH 1637871 A CH1637871 A CH 1637871A CH 557403 A CH557403 A CH 557403A
Authority
CH
Switzerland
Prior art keywords
manufacturing
crystal violet
violet lactone
lactone
crystal
Prior art date
Application number
CH1637871A
Other languages
German (de)
Original Assignee
Clayton Aniline 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 Clayton Aniline Co Ltd filed Critical Clayton Aniline Co Ltd
Publication of CH557403A publication Critical patent/CH557403A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
    • C07D307/885—3,3-Diphenylphthalides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1637871A 1970-11-18 1971-11-11 PROCESS FOR THE MANUFACTURING OF CRYSTAL VIOLET LACTONE. CH557403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5481970 1970-11-18

Publications (1)

Publication Number Publication Date
CH557403A true CH557403A (en) 1974-12-31

Family

ID=10472172

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1637871A CH557403A (en) 1970-11-18 1971-11-11 PROCESS FOR THE MANUFACTURING OF CRYSTAL VIOLET LACTONE.

Country Status (5)

Country Link
JP (1) JPS5628940B1 (en)
CH (1) CH557403A (en)
DE (1) DE2156662C3 (en)
FR (1) FR2114819A5 (en)
GB (1) GB1347467A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525746A (en) * 1975-07-03 1977-01-17 Kanzaki Paper Mfg Co Ltd Novel process for preparation of triarymethane derivatives
DE2835450C3 (en) * 1978-08-12 1981-04-16 Basf Ag, 6700 Ludwigshafen Process for the preparation of 3,3-bis- (4-dimethylaminophenyl) -6-dimethylaminophthalide (crystal violet lactone)
JPS5919548B2 (en) * 1979-02-14 1984-05-07 保土谷化学工業株式会社 Improved production method of 3,3-bis-(4-dimethylaminophenyl)-6-dimethylaminophthalide
JP2591618B2 (en) * 1987-05-18 1997-03-19 山田化学工業株式会社 Process for producing 3,3-bis- (4-dimethylaminophenyl) -6-dimethylaminophthalide
JPH0524531U (en) * 1991-08-02 1993-03-30 富士特殊紙業株式会社 Rice bag
JP5581208B2 (en) 2007-07-18 2014-08-27 データレース リミテッド Laser sensitive coating formulation
RU2011120235A (en) 2008-10-23 2012-11-27 Дейталейз Лимитед HEAT-ABSORBING ADDITIVES
US9267042B2 (en) 2008-10-27 2016-02-23 Datalase Ltd. Coating composition for marking substrates
RU2606985C2 (en) 2011-05-25 2017-01-10 Тетра Лаваль Холдингз Энд Файнэнс С.А. Improved near infrared absorbers
JP6159920B2 (en) 2011-12-30 2017-07-12 テトラ ラバル ホールディングス アンド ファイナンス エス エイ Laminated coloring composition

Also Published As

Publication number Publication date
DE2156662B2 (en) 1981-04-30
DE2156662C3 (en) 1982-04-15
JPS5628940B1 (en) 1981-07-04
FR2114819A5 (en) 1972-06-30
GB1347467A (en) 1974-02-27
DE2156662A1 (en) 1972-05-25

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Legal Events

Date Code Title Description
PL Patent ceased