GB1282934A - Process for the preparation of methacrylic acid - Google Patents

Process for the preparation of methacrylic acid

Info

Publication number
GB1282934A
GB1282934A GB3811869A GB3811869A GB1282934A GB 1282934 A GB1282934 A GB 1282934A GB 3811869 A GB3811869 A GB 3811869A GB 3811869 A GB3811869 A GB 3811869A GB 1282934 A GB1282934 A GB 1282934A
Authority
GB
United Kingdom
Prior art keywords
catalyst
methacrylic acid
preparation
methacrolein
division
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
GB3811869A
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.)
Japanese Geon Co Ltd
Original Assignee
Japanese Geon 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 Japanese Geon Co Ltd filed Critical Japanese Geon Co Ltd
Publication of GB1282934A publication Critical patent/GB1282934A/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

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)
  • Catalysts (AREA)

Abstract

1282934 Methacrolein oxidation catalysts JAPANESE GEON CO Ltd 29 July 1969 [1 Aug 1968] 38118/69 Heading B1E [Also in Division C2] A catalyst for the oxidation of methacrolein to methacrylic acid (see Division C2) comprises Mo, Pd and/or Pt, As and O in chemically combined form. The catalyst may also contain at least one of P, B or Si. The atomic ratios of Mo to Pd and/or Pt, As to Pd and/or Pt and P, B, and/or Si to Pd and/or Pt may be within the ranges 2-50, 0.1-10 and 0.2-10, respectively. The catalyst may be carried on a support of silicon carbide, colloidal silica, alumina or a refractory material.
GB3811869A 1968-08-01 1969-07-29 Process for the preparation of methacrylic acid Expired GB1282934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5393168 1968-08-01

Publications (1)

Publication Number Publication Date
GB1282934A true GB1282934A (en) 1972-07-26

Family

ID=12956465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3811869A Expired GB1282934A (en) 1968-08-01 1969-07-29 Process for the preparation of methacrylic acid

Country Status (4)

Country Link
DE (1) DE1939257A1 (en)
FR (1) FR2014885A1 (en)
GB (1) GB1282934A (en)
NL (1) NL6911762A (en)

Also Published As

Publication number Publication date
NL6911762A (en) 1970-02-03
FR2014885A1 (en) 1970-04-24
DE1939257A1 (en) 1970-06-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees