JPS5713538B2 - - Google Patents

Info

Publication number
JPS5713538B2
JPS5713538B2 JP12151074A JP12151074A JPS5713538B2 JP S5713538 B2 JPS5713538 B2 JP S5713538B2 JP 12151074 A JP12151074 A JP 12151074A JP 12151074 A JP12151074 A JP 12151074A JP S5713538 B2 JPS5713538 B2 JP S5713538B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP12151074A
Other languages
Japanese (ja)
Other versions
JPS5148609A (ja
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 filed Critical
Priority to JP49121510A priority Critical patent/JPS5148609A/ja
Priority to NL7512354A priority patent/NL7512354A/xx
Priority to GB43461/75A priority patent/GB1504940A/en
Priority to DE2547536A priority patent/DE2547536C2/de
Priority to IT28600/75A priority patent/IT1043608B/it
Priority to FR7532485A priority patent/FR2289482A1/fr
Publication of JPS5148609A publication Critical patent/JPS5148609A/ja
Priority to US05/775,427 priority patent/US4124634A/en
Publication of JPS5713538B2 publication Critical patent/JPS5713538B2/ja
Granted legal-status Critical Current

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
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP49121510A 1974-10-23 1974-10-23 Nidansankanyoruisopuchirenkarano metaku Granted JPS5148609A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP49121510A JPS5148609A (ja) 1974-10-23 1974-10-23 Nidansankanyoruisopuchirenkarano metaku
NL7512354A NL7512354A (nl) 1974-10-23 1975-10-22 Werkwijze voor het bereiden van methacrylzuur en daarvoor geschikte inrichting.
GB43461/75A GB1504940A (en) 1974-10-23 1975-10-22 Process for producing methacrylic acid from isobutylene by two step oxidation
DE2547536A DE2547536C2 (de) 1974-10-23 1975-10-23 Verfahren zur Herstellung von Methacrylsäure
IT28600/75A IT1043608B (it) 1974-10-23 1975-10-23 Procedimento per la produzione di acido metacrilico a apartire da isogutilene mediante ossidazione in due fasi
FR7532485A FR2289482A1 (fr) 1974-10-23 1975-10-23 Procede de preparation d'acide methacrylique a partir d'isobutylene et par une oxydation en deux etapes
US05/775,427 US4124634A (en) 1974-10-23 1977-03-08 Process for producing methacrylic acid from isobutylene by two step oxidation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49121510A JPS5148609A (ja) 1974-10-23 1974-10-23 Nidansankanyoruisopuchirenkarano metaku

Publications (2)

Publication Number Publication Date
JPS5148609A JPS5148609A (ja) 1976-04-26
JPS5713538B2 true JPS5713538B2 (de) 1982-03-17

Family

ID=14812973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49121510A Granted JPS5148609A (ja) 1974-10-23 1974-10-23 Nidansankanyoruisopuchirenkarano metaku

Country Status (6)

Country Link
JP (1) JPS5148609A (de)
DE (1) DE2547536C2 (de)
FR (1) FR2289482A1 (de)
GB (1) GB1504940A (de)
IT (1) IT1043608B (de)
NL (1) NL7512354A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108917A (en) * 1976-03-11 1977-09-12 Nippon Shokubai Kagaku Kogyo Co Ltd Preparation of acrylic acid by vapor-phase catalytic oxidation of prop ylene
JPS5353613A (en) * 1976-10-26 1978-05-16 Nippon Zeon Co Ltd Preparation of methacrylic acid
JPS6059891B2 (ja) * 1977-09-28 1985-12-27 住友化学工業株式会社 メタクロレインおよびメタクリル酸の分離方法
NL8001385A (nl) * 1979-03-15 1980-09-17 Halcon Res & Dev Werkwijze voor de bereiding van methacrylzuur.
JPS6145541Y2 (de) * 1981-05-20 1986-12-22
CA1299193C (en) * 1986-07-17 1992-04-21 Gordon Gene Harkreader Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid
CA1305178C (en) * 1986-08-21 1992-07-14 Gordon Gene Harkreader Anhydrous diluent process for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid
CN1219737C (zh) 2001-06-29 2005-09-21 巴斯福股份公司 由异丁烷制备甲基丙烯酸的方法
EP2976320B1 (de) 2013-03-18 2020-02-12 Röhm GmbH Verfahren zur herstellung von methacrylsäure und methacrylsäureester
CN110694687B (zh) * 2019-11-07 2022-10-04 曲阜师范大学 一种用于甲基丙烯醛氧化制甲基丙烯酸的负载纳米杂多酸催化剂及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4891014A (de) * 1972-03-09 1973-11-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4891014A (de) * 1972-03-09 1973-11-27

Also Published As

Publication number Publication date
DE2547536A1 (de) 1976-04-29
FR2289482B1 (de) 1980-08-08
NL7512354A (nl) 1976-04-27
DE2547536C2 (de) 1984-06-28
IT1043608B (it) 1980-02-29
FR2289482A1 (fr) 1976-05-28
GB1504940A (en) 1978-03-22
JPS5148609A (ja) 1976-04-26

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