CH276716A - Verfahren zur Herstellung von Phthalsäureanhydrid. - Google Patents

Verfahren zur Herstellung von Phthalsäureanhydrid.

Info

Publication number
CH276716A
CH276716A CH276716DA CH276716A CH 276716 A CH276716 A CH 276716A CH 276716D A CH276716D A CH 276716DA CH 276716 A CH276716 A CH 276716A
Authority
CH
Switzerland
Prior art keywords
production
phthalic anhydride
phthalic
anhydride
Prior art date
Application number
Other languages
English (en)
Inventor
Corporation Californi Research
Original Assignee
California Research Corp
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
Priority claimed from US596645A external-priority patent/US2438369A/en
Application filed by California Research Corp filed Critical California Research Corp
Publication of CH276716A publication Critical patent/CH276716A/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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH276716D 1945-05-30 1947-08-08 Verfahren zur Herstellung von Phthalsäureanhydrid. CH276716A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US596645A US2438369A (en) 1945-05-30 1945-05-30 Production of dicarboxylic acids or anhydrides thereof
US7263A US2521466A (en) 1945-05-30 1948-02-09 Process for producing phthalic anhydride from ortho-xylene concentrates and naphthalene

Publications (1)

Publication Number Publication Date
CH276716A true CH276716A (de) 1951-07-31

Family

ID=26676744

Family Applications (1)

Application Number Title Priority Date Filing Date
CH276716D CH276716A (de) 1945-05-30 1947-08-08 Verfahren zur Herstellung von Phthalsäureanhydrid.

Country Status (4)

Country Link
US (1) US2521466A (de)
CH (1) CH276716A (de)
FR (1) FR956759A (de)
GB (1) GB644920A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1081878B (de) * 1955-09-22 1960-05-19 Wilhelm Schemuth Verfahren zur Herstellung von Terephthalsaeure durch Oxydation von p-AEthyltoluol

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925425A (en) * 1957-05-21 1960-02-16 Celanese Corp Oxidation of phthalide and mixtures thereof to phthalic anhydride

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438369A (en) * 1945-05-30 1948-03-23 Callfornia Rescarch Corp Production of dicarboxylic acids or anhydrides thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1081878B (de) * 1955-09-22 1960-05-19 Wilhelm Schemuth Verfahren zur Herstellung von Terephthalsaeure durch Oxydation von p-AEthyltoluol

Also Published As

Publication number Publication date
FR956759A (de) 1950-02-07
US2521466A (en) 1950-09-05
GB644920A (en) 1950-10-18

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