ATA250077A - PROCESS FOR THE OBTAINMENT OF MALEIC ACID ANHYDRIDE - Google Patents

PROCESS FOR THE OBTAINMENT OF MALEIC ACID ANHYDRIDE

Info

Publication number
ATA250077A
ATA250077A AT250077A AT250077A ATA250077A AT A250077 A ATA250077 A AT A250077A AT 250077 A AT250077 A AT 250077A AT 250077 A AT250077 A AT 250077A AT A250077 A ATA250077 A AT A250077A
Authority
AT
Austria
Prior art keywords
obtainment
maleic acid
acid anhydride
anhydride
maleic
Prior art date
Application number
AT250077A
Other languages
German (de)
Other versions
AT352695B (en
Original Assignee
Lonza 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 Lonza Ag filed Critical Lonza Ag
Publication of ATA250077A publication Critical patent/ATA250077A/en
Application granted granted Critical
Publication of AT352695B publication Critical patent/AT352695B/en

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
    • C07C51/54—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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
AT250077A 1976-04-12 1977-04-08 PROCESS FOR THE OBTAINMENT OF MALEIC ACID ANHYDRIDE AT352695B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH459276A CH617930A5 (en) 1976-04-12 1976-04-12 Method for preparing maleic anhydride.

Publications (2)

Publication Number Publication Date
ATA250077A true ATA250077A (en) 1979-03-15
AT352695B AT352695B (en) 1979-10-10

Family

ID=4278958

Family Applications (1)

Application Number Title Priority Date Filing Date
AT250077A AT352695B (en) 1976-04-12 1977-04-08 PROCESS FOR THE OBTAINMENT OF MALEIC ACID ANHYDRIDE

Country Status (9)

Country Link
JP (1) JPS52125119A (en)
AT (1) AT352695B (en)
BE (1) BE853471A (en)
CH (1) CH617930A5 (en)
DE (1) DE2632053A1 (en)
FR (1) FR2348208A1 (en)
GB (1) GB1518660A (en)
IT (1) IT1073186B (en)
NL (1) NL7703962A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1253698B (en) * 1990-05-31 1995-08-23 Sisas Spa PROCEDURE FOR THE RECOVERY OF MALEIC ANHYDRIDE FROM REACTION MIXTURES

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2411567A (en) * 1943-08-23 1946-11-26 British Celanese Manufacture of carboxylic acid anhydrides
US2689863A (en) * 1948-10-07 1954-09-21 Union Carbide & Carbon Corp Ester-anhydrides and the production thereof
BE756951A (en) * 1969-10-01 1971-04-01 Basf Ag PERFECTED PROCESS FOR PREPARATION OF MALEIC ANHYDRIDE

Also Published As

Publication number Publication date
GB1518660A (en) 1978-07-19
NL7703962A (en) 1977-10-14
FR2348208A1 (en) 1977-11-10
DE2632053A1 (en) 1977-10-27
JPS52125119A (en) 1977-10-20
CH617930A5 (en) 1980-06-30
IT1073186B (en) 1985-04-13
AT352695B (en) 1979-10-10
BE853471A (en) 1977-10-12

Similar Documents

Publication Publication Date Title
DD129552A5 (en) PROCESS FOR THE PREPARATION OF DERIVATIVES OF THE 3-CHINOLINE CARBOXYLIC ACID
DD128782A5 (en) PROCESS FOR THE PREPARATION OF N-ALKYLDIPHENYLAMINES
DD137931A5 (en) PROCESS FOR PREPARING MALEINE ACID ANHYDRIDE
AT344147B (en) PROCESS FOR THE PREPARATION OF ACYLCYANIDES
ATA314576A (en) PROCESS FOR THE PREPARATION OF 4-NIDERALKYL-5-CYANO-OXAZOLES
DD128196A5 (en) PROCESS FOR THE PREPARATION OF CLAVULANIC ACID THIOAETHERS
AT349032B (en) PROCESS FOR THE PREPARATION OF 4-ALKYL-THIOSEMICARBAZIDEN
DD132435A5 (en) PROCESS FOR THE PREPARATION OF INDOLOCHINOLICINES
DD127791A5 (en) PROCESS FOR THE PRODUCTION OF ORGANOPHOSPHOR COMPOUNDS
ATA220278A (en) METHOD FOR PRODUCING MALEIC ACID ANHYDRIDE
AT337152B (en) PROCESS FOR THE CONTINUOUS MANUFACTURING OF MALEIC ACID ANHYDRIDE
AT363686B (en) METHOD FOR PRODUCING MALEIC ACID ANHYDRIDE COPOLYMERS
AT352695B (en) PROCESS FOR THE OBTAINMENT OF MALEIC ACID ANHYDRIDE
AT358004B (en) METHOD FOR THE PRODUCTION OF MALEIC ACID ANHYDRIDE BY OXYDATION
ATA425476A (en) PROCESS FOR THE PRODUCTION OF STEROID-CARBONIC ACID ACTONES
DD136136A5 (en) PROCESS FOR THE PREPARATION OF PYRIDINE CARBOXYL ACID AMIDES
ATA309976A (en) PROCESS FOR THE PRODUCTION OF SULPHAMYLBENZOIC ACIDS
DD135388A5 (en) PROCESS FOR THE PREPARATION OF OXAZOLINOAZETIDINYLPENIC CARBOXYLIC ACID DERIVATIVES
AT346302B (en) METHOD FOR MANUFACTURING MALEIC ACID ANHYDRIDE
AT341674B (en) PROCESS FOR THE PREPARATION OF 7- (D-2-AMINO-3-PHENYLACETAMIDO) -3-METHYL-3-CEPHEM-4-CARBONIC ACID
DD129787A5 (en) METHOD FOR THE PREPARATION OF DERIVATIVES OF BIS-CHROMON CARBOXYLIC ACID
DD131017A5 (en) PROCESS FOR THE PREPARATION OF 7-AMINO-4-HYDROXY-NAPHTHALINSULPHONIC ACID
DD207462A3 (en) PROCESS FOR OBTAINING COMPLEX ZINCMANANATE OF THE AETHYLENE BISITHIITHARBAMIDES ACID
AT345782B (en) PROCESS FOR THE PREPARATION OF N-PHENYL-5-CHLORO-2-NITRANILINE
ATA513977A (en) PROCESS FOR THE PREPARATION OF D-2- (6-METHOXY-2-NAPHTHYL) PROPIONIC ACID

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee