FR2194682B1 - - Google Patents

Info

Publication number
FR2194682B1
FR2194682B1 FR7328392A FR7328392A FR2194682B1 FR 2194682 B1 FR2194682 B1 FR 2194682B1 FR 7328392 A FR7328392 A FR 7328392A FR 7328392 A FR7328392 A FR 7328392A FR 2194682 B1 FR2194682 B1 FR 2194682B1
Authority
FR
France
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
FR7328392A
Other languages
French (fr)
Other versions
FR2194682A1 (it
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.)
Monsanto Co
Original Assignee
Monsanto Co
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
Priority claimed from US00277720A external-priority patent/US3840587A/en
Priority claimed from US00277721A external-priority patent/US3840588A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of FR2194682A1 publication Critical patent/FR2194682A1/fr
Application granted granted Critical
Publication of FR2194682B1 publication Critical patent/FR2194682B1/fr
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
    • C07C51/347—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • B01J23/04—Alkali metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/617—500-1000 m2/g
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
FR7328392A 1972-08-03 1973-08-02 Expired FR2194682B1 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00277720A US3840587A (en) 1972-08-03 1972-08-03 Process for the condensation of formaldehyde with carboxylic acids
US00277721A US3840588A (en) 1972-08-03 1972-08-03 Production of unsaturated esters

Publications (2)

Publication Number Publication Date
FR2194682A1 FR2194682A1 (it) 1974-03-01
FR2194682B1 true FR2194682B1 (it) 1979-03-16

Family

ID=26958672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7328392A Expired FR2194682B1 (it) 1972-08-03 1973-08-02

Country Status (7)

Country Link
JP (1) JPS5740130B2 (it)
CA (1) CA1010894A (it)
DE (1) DE2339243A1 (it)
FR (1) FR2194682B1 (it)
GB (1) GB1428277A (it)
IT (1) IT995135B (it)
NL (1) NL7310702A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118588A (en) 1976-04-10 1978-10-03 Basf Aktiengesellschaft Manufacture of methacrylic acid and methyl methacrylate
DE3004467A1 (de) * 1980-02-07 1981-08-13 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von methylmethacrylat durch umsetzung von methylpropionat und methanol
US4430252A (en) * 1982-12-10 1984-02-07 Exxon Research & Engineering Co. Process for synthesizing a multicomponent acidic catalyst composition by an organic solution method
CA1249576A (en) * 1984-06-25 1989-01-31 Gary P. Hagen Coformed catalyst
EP0265964A3 (en) * 1986-10-31 1989-05-31 Mitsubishi Gas Chemical Company, Inc. Process for preparing alpha,beta-unsaturated aliphatic monocarboxylic acids or esters thereof
US20040006244A1 (en) * 2002-05-22 2004-01-08 Manzer Leo Ernest Process for making ethyencially unsaturated acids and acids
GB201209425D0 (en) 2012-05-28 2012-07-11 Lucite Int Uk Ltd Process for production of methyl methacrylate
GB201217541D0 (en) * 2012-10-01 2012-11-14 Lucite Int Uk Ltd A process for production of a silica-supported alkali metal catalyst

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051747A (en) * 1958-03-27 1962-08-28 Dow Chemical Co Synthesis of acrylic acids
US3014958A (en) * 1960-01-15 1961-12-26 Du Pont Preparation of unsaturated esters
GB1107234A (en) * 1965-10-22 1968-03-27 Air Reduction Production of acrylate and methacrylate esters

Also Published As

Publication number Publication date
CA1010894A (en) 1977-05-24
IT995135B (it) 1975-11-10
JPS5740130B2 (it) 1982-08-25
GB1428277A (en) 1976-03-17
FR2194682A1 (it) 1974-03-01
JPS4955612A (it) 1974-05-30
NL7310702A (it) 1974-02-05
DE2339243A1 (de) 1974-02-14

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Legal Events

Date Code Title Description
ST Notification of lapse