IT985725B - Procedimento continuo di disidrata zione dell acido maleico - Google Patents

Procedimento continuo di disidrata zione dell acido maleico

Info

Publication number
IT985725B
IT985725B IT50920/73A IT5092073A IT985725B IT 985725 B IT985725 B IT 985725B IT 50920/73 A IT50920/73 A IT 50920/73A IT 5092073 A IT5092073 A IT 5092073A IT 985725 B IT985725 B IT 985725B
Authority
IT
Italy
Prior art keywords
dehydration
maleic acid
continuous procedure
procedure
continuous
Prior art date
Application number
IT50920/73A
Other languages
English (en)
Italian (it)
Original Assignee
Rhone Progil
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 Rhone Progil filed Critical Rhone Progil
Application granted granted Critical
Publication of IT985725B publication Critical patent/IT985725B/it

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
    • C07C51/31—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
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation

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)
  • Furan Compounds (AREA)
IT50920/73A 1972-06-21 1973-06-20 Procedimento continuo di disidrata zione dell acido maleico IT985725B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7222372A FR2189363B1 (de) 1972-06-21 1972-06-21

Publications (1)

Publication Number Publication Date
IT985725B true IT985725B (it) 1974-12-20

Family

ID=9100556

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50920/73A IT985725B (it) 1972-06-21 1973-06-20 Procedimento continuo di disidrata zione dell acido maleico

Country Status (12)

Country Link
JP (1) JPS5320967B2 (de)
AR (1) AR194909A1 (de)
BE (1) BE801167A (de)
BR (1) BR7304549D0 (de)
CA (1) CA998682A (de)
DE (1) DE2331391C3 (de)
ES (1) ES416062A1 (de)
FR (1) FR2189363B1 (de)
GB (1) GB1396489A (de)
IN (1) IN141271B (de)
IT (1) IT985725B (de)
NL (1) NL7308490A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH595430A5 (de) 1976-04-12 1978-02-15 Leon Oudem
FR2484417A1 (fr) * 1980-06-13 1981-12-18 Charbonnages Ste Chimique Procede continu de deshydratation de l'acide maleique et installation pour sa mise en oeuvre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832802A (en) * 1954-09-07 1958-04-29 California Spray Chemical Corp Recovery of purified maleic acid
CH488644A (de) * 1967-12-13 1970-04-15 Luwa Ag Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Carbonsäureanhydriden aus mehrbasischen Carbonsäuren
GB1242320A (en) * 1968-01-30 1971-08-11 Ucb Union Chimiqu Chemische Be Process for the dehydration of maleic acid
US3807273A (en) * 1972-05-24 1974-04-30 Sutures Inc Method of making pliable, dyed and braided polyester sutures

Also Published As

Publication number Publication date
JPS5320967B2 (de) 1978-06-29
IN141271B (de) 1977-02-12
JPS4962411A (de) 1974-06-17
BR7304549D0 (pt) 1974-08-29
DE2331391A1 (de) 1974-01-24
DE2331391B2 (de) 1977-09-15
DE2331391C3 (de) 1978-05-11
AR194909A1 (es) 1973-08-24
GB1396489A (en) 1975-06-04
BE801167A (fr) 1973-12-20
FR2189363B1 (de) 1974-10-25
NL7308490A (de) 1973-12-27
ES416062A1 (es) 1976-03-01
FR2189363A1 (de) 1974-01-25
CA998682A (en) 1976-10-19

Similar Documents

Publication Publication Date Title
IT1019121B (it) Preparazione di anidridi di acido carbossilico
SE7701523L (sv) Forfarande for framstellning av prostaglandiner
IT990346B (it) Procedimento per la produzione di acido acrilico
IT1012534B (it) Procedimento di produzione di acido citrico mediante permentazione
AR192879A1 (es) Preparacion de compuestos de acido 7-amino-cef-3-em-4-carboxilico
IT957833B (it) Metodo per la preparazione di acido alcan solfonico a ciclo continuo
SE7609048L (sv) Forfarande for framstellning av prostaglandiner
IT1002168B (it) Preparazione d acido gliossilico
IT1059808B (it) Procedimento per la purificazione dell acido fosforico
IT985725B (it) Procedimento continuo di disidrata zione dell acido maleico
IT988237B (it) Purificazione dell acido fosfo rico
IT998371B (it) Procedimento per la preparazione d acido benzoico
AR207435A1 (es) Compouestos azoicos basicos libres de grupos acido sulfonico
IT979388B (it) Acido cicloesanesacarbossilico
IT1045661B (it) Procedimento per la produzione di irride dell acido maleico
IT954173B (it) Procedimento per la produzione di acido tetronico
IT979907B (it) Procedimento per la produzione di diesteri di acido succinilsuccinico
IT983494B (it) Procedimento per la produzione di acidi carbossilici
IT998461B (it) Proccesso per la preparazione di acido antrachinon i carbossilico
IT997528B (it) Procedimento per produrre acido acrilico
AR205391A1 (es) Procedimiento para la preparacion de anhidrido maleico por deshidratacion de acido maleico
AR197808A1 (es) Metodo para producir acido gamma-amino-beta-hidroxibutanoico
IT1003540B (it) Procedimento per la produzione di sale bisodico di acido naftoldisolfonico
IT954906B (it) Procedimento di disidratazione dell acido piromellitico
AR194067A1 (es) Procedimiento para la obtencion de diesteres de acido succinilosuccinico