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
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
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- 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)
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 (es) | 1974-03-01 |
| FR2194682B1 true FR2194682B1 (es) | 1979-03-16 |
Family
ID=26958672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7328392A Expired FR2194682B1 (es) | 1972-08-03 | 1973-08-02 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5740130B2 (es) |
| CA (1) | CA1010894A (es) |
| DE (1) | DE2339243A1 (es) |
| FR (1) | FR2194682B1 (es) |
| GB (1) | GB1428277A (es) |
| IT (1) | IT995135B (es) |
| NL (1) | NL7310702A (es) |
Families Citing this family (8)
| 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)
| 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 |
-
1973
- 1973-08-02 GB GB3670773A patent/GB1428277A/en not_active Expired
- 1973-08-02 NL NL7310702A patent/NL7310702A/xx not_active Application Discontinuation
- 1973-08-02 CA CA178,031A patent/CA1010894A/en not_active Expired
- 1973-08-02 DE DE2339243A patent/DE2339243A1/de not_active Ceased
- 1973-08-02 IT IT27471/73A patent/IT995135B/it active
- 1973-08-02 FR FR7328392A patent/FR2194682B1/fr not_active Expired
- 1973-08-03 JP JP48086865A patent/JPS5740130B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1010894A (en) | 1977-05-24 |
| NL7310702A (es) | 1974-02-05 |
| FR2194682A1 (es) | 1974-03-01 |
| IT995135B (it) | 1975-11-10 |
| DE2339243A1 (de) | 1974-02-14 |
| GB1428277A (en) | 1976-03-17 |
| JPS5740130B2 (es) | 1982-08-25 |
| JPS4955612A (es) | 1974-05-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |