BE786650A - Procede de preparation de l'acide squarique - Google Patents

Procede de preparation de l'acide squarique

Info

Publication number
BE786650A
BE786650A BE786650DA BE786650A BE 786650 A BE786650 A BE 786650A BE 786650D A BE786650D A BE 786650DA BE 786650 A BE786650 A BE 786650A
Authority
BE
Belgium
Prior art keywords
preparing
squaric acid
squaric
acid
preparing squaric
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Ercoli Raffaele
Silvestri Guiseppe
Gambino Salvatore
Guainazzi Mauro
Filardo Giuseppe
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.)
Publication date
Priority claimed from IT4201971A external-priority patent/IT939258B/it
Priority claimed from IT2527372A external-priority patent/IT1006543B/it
Publication of BE786650A publication Critical patent/BE786650A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/29—Coupling reactions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
BE786650D 1971-07-24 Procede de preparation de l'acide squarique BE786650A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4201971A IT939258B (it) 1971-07-24 1971-07-24 Ciclotetramizzazione riduttiva del l ossido di carbonio e procedimen to per attuarla
IT2527372A IT1006543B (it) 1972-06-06 1972-06-06 Miglioramenti al processo per la preparazione dell acido squarico per ciclotetramerizzazione ridut tiva dell ossido di carbonio

Publications (1)

Publication Number Publication Date
BE786650A true BE786650A (fr) 1973-01-24

Family

ID=26328586

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786650D BE786650A (fr) 1971-07-24 Procede de preparation de l'acide squarique

Country Status (8)

Country Link
US (1) US3833489A (xx)
BE (1) BE786650A (xx)
CA (1) CA998013A (xx)
CH (1) CH577447A5 (xx)
DE (1) DE2235882A1 (xx)
FR (1) FR2147073B1 (xx)
GB (1) GB1353713A (xx)
NL (1) NL7209893A (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2623836C3 (de) * 1976-05-28 1978-12-21 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Herstellung von Quadratsäure
US4104308A (en) * 1976-06-21 1978-08-01 International Business Machines Corporation Synthesis of squaric acid
US4461681A (en) * 1983-05-31 1984-07-24 The Halcon Sd Group, Inc. Process for the preparation of squaric acid by the electrolysis of carbon monoxide in anhydrous aliphatic nitrile solvent media
US4508803A (en) * 1983-12-05 1985-04-02 Xerox Corporation Photoconductive devices containing novel benzyl fluorinated squaraine compositions
US4523980A (en) * 1984-08-31 1985-06-18 The Halcon Sd Group, Inc. Process for the recovery of high purity squaric acid
US4834858A (en) * 1988-03-23 1989-05-30 Montvale Process Company, Inc. Electrolytic reactor
IE65907B1 (en) * 1990-02-26 1995-11-29 Lonza Ag New 3-hydroxy-2-cyclobuten-1-one salts their preparation and use

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059030A (en) * 1959-06-15 1962-10-16 Minnesota Mining & Mfg Diketocyclobutenediol and alkali metal salts thereof

Also Published As

Publication number Publication date
FR2147073B1 (xx) 1976-08-13
CA998013A (en) 1976-10-05
US3833489A (en) 1974-09-03
CH577447A5 (xx) 1976-07-15
NL7209893A (xx) 1973-01-26
DE2235882A1 (de) 1973-02-01
FR2147073A1 (xx) 1973-03-09
GB1353713A (en) 1974-05-22

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ERCOLI R. , SILVESTRI G. , GAMBINO S. , GUAINAZZI

Effective date: 19910731