AT252225B - Verfahren zur Gewinnung von Naphthochinon - Google Patents

Verfahren zur Gewinnung von Naphthochinon

Info

Publication number
AT252225B
AT252225B AT1035364A AT1035364A AT252225B AT 252225 B AT252225 B AT 252225B AT 1035364 A AT1035364 A AT 1035364A AT 1035364 A AT1035364 A AT 1035364A AT 252225 B AT252225 B AT 252225B
Authority
AT
Austria
Prior art keywords
naphthoquinone
production
Prior art date
Application number
AT1035364A
Other languages
English (en)
Original Assignee
Ciba Geigy
Schweizerische Teerindustrie A
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, Schweizerische Teerindustrie A filed Critical Ciba Geigy
Application granted granted Critical
Publication of AT252225B publication Critical patent/AT252225B/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C07C46/10—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; 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)
AT1035364A 1963-12-09 1964-12-07 Verfahren zur Gewinnung von Naphthochinon AT252225B (de)

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
AT252225B true AT252225B (de) 1967-02-10

Family

ID=4405909

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1035364A AT252225B (de) 1963-12-09 1964-12-07 Verfahren zur Gewinnung von Naphthochinon

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
IL22491A (en) 1968-06-20
DE1226555B (de) 1966-10-13
GB1089275A (en) 1967-11-01
US3379741A (en) 1968-04-23
NL6414254A (de) 1965-06-10
ES306863A1 (es) 1965-05-01
CH456560A (de) 1968-07-31
BE656818A (de) 1965-06-08
SE301806B (de) 1968-06-24

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