JPS4994627A - - Google Patents
Info
- Publication number
- JPS4994627A JPS4994627A JP49004615A JP461574A JPS4994627A JP S4994627 A JPS4994627 A JP S4994627A JP 49004615 A JP49004615 A JP 49004615A JP 461574 A JP461574 A JP 461574A JP S4994627 A JPS4994627 A JP S4994627A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00317863A US3839437A (en) | 1972-12-22 | 1972-12-22 | Methacrylic acid manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4994627A true JPS4994627A (ja) | 1974-09-09 |
Family
ID=23235579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49004615A Pending JPS4994627A (ja) | 1972-12-22 | 1973-12-21 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3839437A (ja) |
| JP (1) | JPS4994627A (ja) |
| BE (1) | BE809065A (ja) |
| CA (1) | CA1007657A (ja) |
| DE (1) | DE2364044A1 (ja) |
| FR (1) | FR2211442B1 (ja) |
| GB (1) | GB1449460A (ja) |
| NL (1) | NL7317466A (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180681A (en) * | 1978-08-17 | 1979-12-25 | Atlantic Richfield Company | Preparation and recovery of methacrylic acid from an aqueous sodium methacrylate solution |
| US4338462A (en) * | 1980-06-09 | 1982-07-06 | Atlantic Richfield Company | Silver-catalyzed oxidation of methacrolein to methacrylic acid |
| FR3141754A1 (fr) | 2022-11-03 | 2024-05-10 | Psa Automobiles Sa | Dispositif d’éclairage et/ou de signalisation de véhicule automobile comportant un écran thermique |
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1972
- 1972-12-22 US US00317863A patent/US3839437A/en not_active Expired - Lifetime
-
1973
- 1973-12-20 NL NL7317466A patent/NL7317466A/xx not_active Application Discontinuation
- 1973-12-21 DE DE2364044A patent/DE2364044A1/de active Pending
- 1973-12-21 CA CA188,803A patent/CA1007657A/en not_active Expired
- 1973-12-21 BE BE1005605A patent/BE809065A/xx unknown
- 1973-12-21 JP JP49004615A patent/JPS4994627A/ja active Pending
- 1973-12-21 FR FR7346118A patent/FR2211442B1/fr not_active Expired
- 1973-12-27 GB GB5975073A patent/GB1449460A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE809065A (fr) | 1974-06-21 |
| GB1449460A (en) | 1976-09-15 |
| NL7317466A (ja) | 1974-06-25 |
| FR2211442A1 (ja) | 1974-07-19 |
| CA1007657A (en) | 1977-03-29 |
| DE2364044A1 (de) | 1974-07-04 |
| FR2211442B1 (ja) | 1977-08-19 |
| US3839437A (en) | 1974-10-01 |