ES306863A1 - Procedimiento para la obtencion de naftoquinona - Google Patents

Procedimiento para la obtencion de naftoquinona

Info

Publication number
ES306863A1
ES306863A1 ES0306863A ES306863A ES306863A1 ES 306863 A1 ES306863 A1 ES 306863A1 ES 0306863 A ES0306863 A ES 0306863A ES 306863 A ES306863 A ES 306863A ES 306863 A1 ES306863 A1 ES 306863A1
Authority
ES
Spain
Prior art keywords
naphthoquinone
naphthalene
cooling
phthalic acid
gas current
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
Application number
ES0306863A
Other languages
English (en)
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.)
Novartis AG
Schweizerische Teerindustrie AG
Original Assignee
Ciba Geigy AG
Schweizerische Teerindustrie 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, Schweizerische Teerindustrie AG filed Critical Ciba Geigy AG
Publication of ES306863A1 publication Critical patent/ES306863A1/es
Expired legal-status Critical Current

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)
ES0306863A 1963-12-09 1964-12-07 Procedimiento para la obtencion de naftoquinona Expired ES306863A1 (es)

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
ES306863A1 true ES306863A1 (es) 1965-05-01

Family

ID=4405909

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0306863A Expired ES306863A1 (es) 1963-12-09 1964-12-07 Procedimiento para la obtencion de naftoquinona

Country Status (10)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539209B2 (es) * 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 (es) * 1957-12-16

Also Published As

Publication number Publication date
IL22491A (en) 1968-06-20
CH456560A (de) 1968-07-31
BE656818A (es) 1965-06-08
GB1089275A (en) 1967-11-01
NL6414254A (es) 1965-06-10
AT252225B (de) 1967-02-10
US3379741A (en) 1968-04-23
DE1226555B (de) 1966-10-13
SE301806B (es) 1968-06-24

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