GB2024201B - Process for producing methacrylic acid - Google Patents

Process for producing methacrylic acid

Info

Publication number
GB2024201B
GB2024201B GB7914215A GB7914215A GB2024201B GB 2024201 B GB2024201 B GB 2024201B GB 7914215 A GB7914215 A GB 7914215A GB 7914215 A GB7914215 A GB 7914215A GB 2024201 B GB2024201 B GB 2024201B
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
GB7914215A
Other versions
GB2024201A (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.)
Zeon Corp
Original Assignee
Nippon Zeon 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 Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Publication of GB2024201A publication Critical patent/GB2024201A/en
Application granted granted Critical
Publication of GB2024201B publication Critical patent/GB2024201B/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
GB7914215A 1978-04-24 1979-04-24 Process for producing methacrylic acid Expired GB2024201B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4848278A JPS54141721A (en) 1978-04-24 1978-04-24 Preparation of methacrylic acid

Publications (2)

Publication Number Publication Date
GB2024201A GB2024201A (en) 1980-01-09
GB2024201B true GB2024201B (en) 1982-09-02

Family

ID=12804597

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7914215A Expired GB2024201B (en) 1978-04-24 1979-04-24 Process for producing methacrylic acid

Country Status (2)

Country Link
JP (1) JPS54141721A (en)
GB (1) GB2024201B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721865A1 (en) * 1987-07-02 1989-01-12 Basf Ag METHOD FOR PRODUCING METHACRYLIC ACID
JP2003238485A (en) * 2001-12-10 2003-08-27 Nippon Shokubai Co Ltd Method and equipment for collecting (meth)acrylic acid
RU2353610C2 (en) 2003-11-28 2009-04-27 Мицубиси Кемикал Корпорейшн Method of recovering (meth)acrolein or (meth)acrylic acid and installation intended for this purpose
JP4682599B2 (en) * 2003-11-28 2011-05-11 三菱化学株式会社 Method and apparatus for collecting (meth) acrolein or (meth) acrylic acid
US7799946B2 (en) * 2007-02-14 2010-09-21 Saudi Basic Industries Corporation Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene

Also Published As

Publication number Publication date
JPS6160061B2 (en) 1986-12-19
JPS54141721A (en) 1979-11-05
GB2024201A (en) 1980-01-09

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee