BE723887A - - Google Patents

Info

Publication number
BE723887A
BE723887A BE723887DA BE723887A BE 723887 A BE723887 A BE 723887A BE 723887D A BE723887D A BE 723887DA BE 723887 A BE723887 A BE 723887A
Authority
BE
Belgium
Application number
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 DE19671643697 external-priority patent/DE1643697A1/en
Application filed filed Critical
Publication of BE723887A publication Critical patent/BE723887A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
BE723887D 1967-11-17 1968-11-14 BE723887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671643697 DE1643697A1 (en) 1967-11-17 1967-11-17 Process for the production of phthalic anhydride

Publications (1)

Publication Number Publication Date
BE723887A true BE723887A (en) 1969-05-14

Family

ID=5684357

Family Applications (1)

Application Number Title Priority Date Filing Date
BE723887D BE723887A (en) 1967-11-17 1968-11-14

Country Status (4)

Country Link
AT (1) AT281799B (en)
BE (1) BE723887A (en)
FR (1) FR1592666A (en)
GB (1) GB1237954A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106796A1 (en) * 1971-02-12 1972-08-24 Wacker-Chemie GmbH, 8000 München Catalysts for the production of phthalic anhydride

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791092A (en) * 1984-06-29 1988-12-13 Exxon Research & Engineering Co. Aromatic carboxylic anhydride catalyst
US4582911A (en) * 1984-06-29 1986-04-15 Exxon Research & Engineering Co. Molecular oxidation of aromatic hydrocarbons to the corresponding anhydrides using an improved catalyst
US4582912A (en) * 1984-10-01 1986-04-15 Exxon Research & Engineering Co. Process for preparing carboxylic anhydride using improved catalysts
US4728744A (en) * 1985-10-02 1988-03-01 Exxon Chemical Patents Inc. Catalysts for preparation of aromatic carboxylic anhydrides
US4814317A (en) * 1985-10-02 1989-03-21 Exxon Chemical Patents Inc. Process for preparing catalysts for preparation of aromatic carboxylic anhydrides
US4831164A (en) * 1985-10-02 1989-05-16 Exxon Chemical Patents Inc. Process of preparing carboxylic anhydride
GB8524544D0 (en) * 1985-10-04 1985-11-06 Shell Int Research Poly-metal containing catalyst
US4835126A (en) * 1986-05-06 1989-05-30 Exxon Research & Engineering Company Process for preparing a catalyst for the preparation of a carboxylic anhydride
US4931572A (en) * 1989-05-17 1990-06-05 Exxon Chemical Patents Inc. Aromatic carboxylic anhydride catalyst
DE19526926A1 (en) * 1995-07-24 1997-01-30 Bayer Ag Process for the production of loaded non-porous carrier materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106796A1 (en) * 1971-02-12 1972-08-24 Wacker-Chemie GmbH, 8000 München Catalysts for the production of phthalic anhydride

Also Published As

Publication number Publication date
FR1592666A (en) 1970-05-19
AT281799B (en) 1970-06-10
GB1237954A (en) 1971-07-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BADISCHE ANILIN-& SODAFABRIK A.G.

Effective date: 19871130