JPS49125330A - - Google Patents
Info
- Publication number
- JPS49125330A JPS49125330A JP3014374A JP3014374A JPS49125330A JP S49125330 A JPS49125330 A JP S49125330A JP 3014374 A JP3014374 A JP 3014374A JP 3014374 A JP3014374 A JP 3014374A JP S49125330 A JPS49125330 A JP S49125330A
- 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
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)
- Furan Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732313306 DE2313306A1 (de) | 1973-03-17 | 1973-03-17 | Verfahren zur gewinnung von phthalsaeureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49125330A true JPS49125330A (ko) | 1974-11-30 |
Family
ID=5875040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3014374A Pending JPS49125330A (ko) | 1973-03-17 | 1974-03-18 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS49125330A (ko) |
| AT (1) | AT331783B (ko) |
| BE (1) | BE812185A (ko) |
| DE (1) | DE2313306A1 (ko) |
| GB (1) | GB1453507A (ko) |
| IT (1) | IT1008994B (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003507447A (ja) * | 1999-08-20 | 2003-02-25 | ビーエーエスエフ アクチェンゲゼルシャフト | 規格に合った無水フタル酸を製造する方法 |
| KR101480945B1 (ko) * | 2014-04-07 | 2015-01-14 | 문재운 | 누수 방지용 볼밸브 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3207208A1 (de) * | 1982-02-27 | 1983-09-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen gewinnung von phthalsaeureanhydrid und maleinsaeureanhydrid aus reaktionsgasen |
-
1973
- 1973-03-17 DE DE19732313306 patent/DE2313306A1/de active Pending
-
1974
- 1974-03-01 IT IT4890974A patent/IT1008994B/it active
- 1974-03-12 BE BE141909A patent/BE812185A/xx unknown
- 1974-03-15 AT AT216374A patent/AT331783B/de active
- 1974-03-15 GB GB1158174A patent/GB1453507A/en not_active Expired
- 1974-03-18 JP JP3014374A patent/JPS49125330A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003507447A (ja) * | 1999-08-20 | 2003-02-25 | ビーエーエスエフ アクチェンゲゼルシャフト | 規格に合った無水フタル酸を製造する方法 |
| JP4791666B2 (ja) * | 1999-08-20 | 2011-10-12 | ビーエーエスエフ ソシエタス・ヨーロピア | 規格に合った無水フタル酸を製造する方法 |
| KR101480945B1 (ko) * | 2014-04-07 | 2015-01-14 | 문재운 | 누수 방지용 볼밸브 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1008994B (it) | 1976-11-30 |
| DE2313306A1 (de) | 1974-09-26 |
| BE812185A (fr) | 1974-09-12 |
| ATA216374A (de) | 1975-12-15 |
| AT331783B (de) | 1976-08-25 |
| GB1453507A (en) | 1976-10-27 |