IL22491A - Process for the manufacture of naphthoquinone - Google Patents

Process for the manufacture of naphthoquinone

Info

Publication number
IL22491A
IL22491A IL22491A IL2249164A IL22491A IL 22491 A IL22491 A IL 22491A IL 22491 A IL22491 A IL 22491A IL 2249164 A IL2249164 A IL 2249164A IL 22491 A IL22491 A IL 22491A
Authority
IL
Israel
Prior art keywords
naphthoquinone
manufacture
Prior art date
Application number
IL22491A
Other languages
English (en)
Original Assignee
Schweizerische Teerind Ag
Ciba 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 Schweizerische Teerind Ag, Ciba Ltd filed Critical Schweizerische Teerind Ag
Publication of IL22491A publication Critical patent/IL22491A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00Preparation of quinones
    • C07C46/10Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/31Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/573Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IL22491A 1963-12-09 1964-11-23 Process for the manufacture of naphthoquinone IL22491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1505063A CH456560A (de) 1963-12-09 1963-12-09 Verfahren zur Abtrennung von Naphthochinon

Publications (1)

Publication Number Publication Date
IL22491A true IL22491A (en) 1968-06-20

Family

ID=4405909

Family Applications (1)

Application Number Title Priority Date Filing Date
IL22491A IL22491A (en) 1963-12-09 1964-11-23 Process for the manufacture of naphthoquinone

Country Status (10)

Country Link
US (1) US3379741A (de)
AT (1) AT252225B (de)
BE (1) BE656818A (de)
CH (1) CH456560A (de)
DE (1) DE1226555B (de)
ES (1) ES306863A1 (de)
GB (1) GB1089275A (de)
IL (1) IL22491A (de)
NL (1) NL6414254A (de)
SE (1) SE301806B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539209B2 (de) * 1973-04-24 1978-04-04
US4035399A (en) * 1974-02-18 1977-07-12 Nihon Joryu Kogyo Co., Ltd. Process for the preparation of 1,4-naphthoquinone
US4202828A (en) * 1978-01-10 1980-05-13 Kawasaki Kasei Chemicals Limited Process for separation of naphthoquinone and phthalic acid
JPS5826897B2 (ja) * 1979-02-16 1983-06-06 川崎化成工業株式会社 スケ−リング防止方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190001A (en) * 1939-04-06 1940-02-13 Nat Aniline & Chem Co Inc Recovery of phthalic acid from gases containing phthalic anhydride
BE573902A (de) * 1957-12-16

Also Published As

Publication number Publication date
US3379741A (en) 1968-04-23
CH456560A (de) 1968-07-31
BE656818A (de) 1965-06-08
GB1089275A (en) 1967-11-01
ES306863A1 (es) 1965-05-01
DE1226555B (de) 1966-10-13
AT252225B (de) 1967-02-10
NL6414254A (de) 1965-06-10
SE301806B (de) 1968-06-24

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