HUT40606A - Process for preparing fumaric acid from maleic acid-containing by-products - Google Patents

Process for preparing fumaric acid from maleic acid-containing by-products

Info

Publication number
HUT40606A
HUT40606A HU43185A HU43185A HUT40606A HU T40606 A HUT40606 A HU T40606A HU 43185 A HU43185 A HU 43185A HU 43185 A HU43185 A HU 43185A HU T40606 A HUT40606 A HU T40606A
Authority
HU
Hungary
Prior art keywords
products
acid
maleic acid
fumaric acid
preparing fumaric
Prior art date
Application number
HU43185A
Other languages
Hungarian (hu)
Other versions
HU194150B (en
Inventor
Tamas Reti
Jozsef Bognar
Tibor Kovacs
Zoltan Kolonics
Gyula Tuba
Gyoergy Halas
Robert Bassa
Laszlo Legradi
Attilane Horvath
Pal Meszaros
Original Assignee
Nitrokemia Ipartelepek
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 Nitrokemia Ipartelepek filed Critical Nitrokemia Ipartelepek
Priority to HU43185A priority Critical patent/HU194150B/en
Publication of HUT40606A publication Critical patent/HUT40606A/en
Priority to GB08719162A priority patent/GB2207915A/en
Priority to DE19873727553 priority patent/DE3727553A1/en
Priority to FR8711936A priority patent/FR2619809B1/en
Publication of HU194150B publication Critical patent/HU194150B/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
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HU43185A 1985-02-05 1985-02-05 Process for production of fumar acid from secondary products containing malein acid HU194150B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
HU43185A HU194150B (en) 1985-02-05 1985-02-05 Process for production of fumar acid from secondary products containing malein acid
GB08719162A GB2207915A (en) 1985-02-05 1987-08-13 Preparation of pure fumaric acid
DE19873727553 DE3727553A1 (en) 1985-02-05 1987-08-18 METHOD FOR THE PRODUCTION OF PURE FUMAR ACID FROM BY-PRODUCTS CONTAINING MALEIC ACID
FR8711936A FR2619809B1 (en) 1985-02-05 1987-08-26 PROCESS FOR THE PREPARATION OF PURE FUMARIC ACID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU43185A HU194150B (en) 1985-02-05 1985-02-05 Process for production of fumar acid from secondary products containing malein acid

Publications (2)

Publication Number Publication Date
HUT40606A true HUT40606A (en) 1987-01-28
HU194150B HU194150B (en) 1988-01-28

Family

ID=10949570

Family Applications (1)

Application Number Title Priority Date Filing Date
HU43185A HU194150B (en) 1985-02-05 1985-02-05 Process for production of fumar acid from secondary products containing malein acid

Country Status (4)

Country Link
DE (1) DE3727553A1 (en)
FR (1) FR2619809B1 (en)
GB (1) GB2207915A (en)
HU (1) HU194150B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0823482A3 (en) * 1996-08-09 1998-09-09 Nippon Shokubai Co., Ltd. A process for producing l-aspartic acid and converting maleic acid to fumaric acid
US8389790B2 (en) 2011-02-01 2013-03-05 Divi's Laboratories, Ltd. Process for isomerisation of lycopene in the presence of thiourea
CN103204773B (en) * 2013-04-18 2015-08-05 湘潭大学 A kind of toxilic acid cis-trans isomerization prepares the method for fumaric acid
CN103668312B (en) * 2013-12-10 2016-06-29 淮北师范大学 A kind of maleic acid cis-trans isomerization prepares the electrochemical process of fumaric acid
CN106631765A (en) * 2016-12-05 2017-05-10 广东榕泰实业股份有限公司 Process for producing fumaric acid by using phthalic anhydride waste water
WO2022120615A1 (en) * 2020-12-09 2022-06-16 安徽雪郎生物科技股份有限公司 Production process for fumaric acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843628A (en) * 1953-06-23 1958-07-15 Montclair Res Corp Fumaric acid isomerization
US2843629A (en) * 1953-06-23 1958-07-15 Montclair Res Corp Recovery of fumaric acid

Also Published As

Publication number Publication date
DE3727553A1 (en) 1989-03-02
FR2619809B1 (en) 1989-11-17
GB8719162D0 (en) 1987-09-23
HU194150B (en) 1988-01-28
FR2619809A1 (en) 1989-03-03
GB2207915A (en) 1989-02-15

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HPC4 Succession in title of patentee

Owner name: NITROKEMIA 2000 IPARI ES VAGYONKEZELOE RT., HU

HMM4 Cancellation of final prot. due to non-payment of fee