GB2096601B - Process for producing methacrylic acid - Google Patents

Process for producing methacrylic acid

Info

Publication number
GB2096601B
GB2096601B GB8206428A GB8206428A GB2096601B GB 2096601 B GB2096601 B GB 2096601B GB 8206428 A GB8206428 A GB 8206428A GB 8206428 A GB8206428 A GB 8206428A GB 2096601 B GB2096601 B GB 2096601B
Authority
GB
United Kingdom
Prior art keywords
methacrylic acid
producing methacrylic
producing
acid
methacrylic
Prior art date
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
GB8206428A
Other languages
English (en)
Other versions
GB2096601A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JSR Corp
Original Assignee
Japan Synthetic Rubber Co Ltd
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 Japan Synthetic Rubber Co Ltd filed Critical Japan Synthetic Rubber Co Ltd
Publication of GB2096601A publication Critical patent/GB2096601A/en
Application granted granted Critical
Publication of GB2096601B publication Critical patent/GB2096601B/en
Expired 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
    • 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
    • C07C45/37—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 >C—O—functional groups to >C=O groups
    • 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
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • 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
    • C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
    • C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
    • 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
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB8206428A 1981-03-04 1982-03-04 Process for producing methacrylic acid Expired GB2096601B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2994081A JPS57144237A (en) 1981-03-04 1981-03-04 Preparation of methacrylic acid

Publications (2)

Publication Number Publication Date
GB2096601A GB2096601A (en) 1982-10-20
GB2096601B true GB2096601B (en) 1985-03-20

Family

ID=12289981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8206428A Expired GB2096601B (en) 1981-03-04 1982-03-04 Process for producing methacrylic acid

Country Status (2)

Country Link
JP (1) JPS57144237A (enrdf_load_stackoverflow)
GB (1) GB2096601B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1308737C (en) * 1987-04-16 1992-10-13 Syoichi Matsumoto Process for producing methacrylic ester
JPH01142357U (enrdf_load_stackoverflow) * 1988-03-25 1989-09-29
DE19814421A1 (de) * 1998-03-31 1999-10-07 Basf Ag Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern
JP5691252B2 (ja) * 2010-06-10 2015-04-01 三菱レイヨン株式会社 メタクリル酸製造用ヘテロポリ酸系触媒の製造方法、及びメタクリル酸の製造方法
WO2013037136A1 (en) * 2011-09-16 2013-03-21 Evonik Roehm Gmbh Process for preparation of methacrylic acid and methacrylic acid esters
WO2013037131A1 (en) * 2011-09-16 2013-03-21 Evonik Roehm Gmbh Process for preparation of methacrylic acid and methacrylic acid ester
JP6611391B1 (ja) * 2018-11-14 2019-11-27 住友化学株式会社 メタクリル酸の製造装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821896B2 (ja) * 1975-03-10 1983-05-04 株式会社日本触媒 ハイスイノ リヨウホウホウ
JPS5353613A (en) * 1976-10-26 1978-05-16 Nippon Zeon Co Ltd Preparation of methacrylic acid
US4092132A (en) * 1977-09-06 1978-05-30 Halcon Research And Development Corp. Recovery of methacrolein
JPS5821896A (ja) * 1981-07-31 1983-02-08 ソニー株式会社 電子部品の実装方法

Also Published As

Publication number Publication date
JPS6312458B2 (enrdf_load_stackoverflow) 1988-03-18
GB2096601A (en) 1982-10-20
JPS57144237A (en) 1982-09-06

Similar Documents

Publication Publication Date Title
GB2046252B (en) Process for producing methacrylic acid
YU245481A (en) Process for producing aza-bicyclo-octane-carboxylic acids
GB2146636B (en) Process for producing acrylic acid
GB2114462B (en) Methacrylic acid production catalyst
YU43107B (en) Process for producing sps-aze
DE3276431D1 (en) Process for producing 3-chloro-5-trifluoromethylpyridines
DE3269222D1 (en) Process for producing 5-halomethylfurfural
HUT34200A (en) Process for producing fluoro-methylthio-oxa-cepheme-carboxylic acid derivatives
DE3260963D1 (en) Process for producing alpha-arylalkanoic acid esters
YU136682A (en) Process for producing 3-methyl-flavone-8-carboxylic acid esters
DE3264684D1 (en) Process for the production of methacrylic acid
DE3060058D1 (en) Process for producing methacrylic acid
GB2096601B (en) Process for producing methacrylic acid
GB2109376B (en) Process for producing glyoxylic acid
YU43067B (en) Process for producing alpha-haloalkylamides
RO82537B (ro) Procedeu pentru prepararea acidului diaceton-cetugulonic
DE3261766D1 (en) Process for the continuous esterification of methacrylic acid
DE3375024D1 (en) Process for producing d-beta-hydroxyalkanoic acid
DE3260477D1 (en) Process for producing methacrolein and methacrylic acid
GB2037604B (en) Process for producing methacrylic acid
GB2024201B (en) Process for producing methacrylic acid
YU43139B (en) Process for producing sulfuric acid
GB2104512B (en) Process for producing methacrylic acid
DE3268121D1 (en) Process for producing peroxydicarconates
DE3266705D1 (en) Process for preparing 6-chloro-3-toluidino-4-sulphonic acid

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee