SE7811835L - Sett att rena en genom oxidation av p-xylen utvunnen p-tolylsyra - Google Patents
Sett att rena en genom oxidation av p-xylen utvunnen p-tolylsyraInfo
- Publication number
- SE7811835L SE7811835L SE7811835A SE7811835A SE7811835L SE 7811835 L SE7811835 L SE 7811835L SE 7811835 A SE7811835 A SE 7811835A SE 7811835 A SE7811835 A SE 7811835A SE 7811835 L SE7811835 L SE 7811835L
- Authority
- SE
- Sweden
- Prior art keywords
- oxidation
- pure
- way
- tolylic acid
- xylene extracted
- Prior art date
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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2751363A DE2751363C2 (de) | 1977-11-17 | 1977-11-17 | Verfahren zur Reinigung von p-Toluylsäure, die durch Oxidation von p-Xylol mit Luftsauerstoff in Gegenwart von Schwermetallsalz-Katalysatoren erhalten worden ist |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7811835L true SE7811835L (sv) | 1979-05-18 |
Family
ID=6023948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7811835A SE7811835L (sv) | 1977-11-17 | 1978-11-16 | Sett att rena en genom oxidation av p-xylen utvunnen p-tolylsyra |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5479244A (sv) |
BE (1) | BE872048A (sv) |
DE (1) | DE2751363C2 (sv) |
FR (1) | FR2409252A1 (sv) |
GB (1) | GB2008114B (sv) |
IT (1) | IT1157709B (sv) |
NL (1) | NL7811342A (sv) |
SE (1) | SE7811835L (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07116096B2 (ja) * | 1986-12-04 | 1995-12-13 | 三菱瓦斯化学株式会社 | 高純度0−トルイル酸の製造方法 |
JP6274022B2 (ja) * | 2014-06-11 | 2018-02-07 | 住友化学株式会社 | シクロアルカンジカルボン酸モノエステルの製造方法 |
JP6409611B2 (ja) | 2015-02-23 | 2018-10-24 | 東レ株式会社 | p−トルイル酸の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2317455A (en) * | 1940-06-27 | 1943-04-27 | Du Pont | Purifying benzoic acid |
GB757455A (en) * | 1953-07-20 | 1956-09-19 | Bataafsche Petroleum | A process for the separation of tertiary-alkyl-substituted benzoic acids from mixtures containing said acids |
-
1977
- 1977-11-17 DE DE2751363A patent/DE2751363C2/de not_active Expired
-
1978
- 1978-10-24 FR FR7830247A patent/FR2409252A1/fr not_active Withdrawn
- 1978-11-13 GB GB7844258A patent/GB2008114B/en not_active Expired
- 1978-11-14 JP JP13946378A patent/JPS5479244A/ja active Pending
- 1978-11-15 IT IT51918/78A patent/IT1157709B/it active
- 1978-11-16 SE SE7811835A patent/SE7811835L/sv unknown
- 1978-11-16 BE BE191753A patent/BE872048A/xx unknown
- 1978-11-16 NL NL7811342A patent/NL7811342A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS5479244A (en) | 1979-06-25 |
DE2751363A1 (de) | 1979-05-23 |
BE872048A (fr) | 1979-03-16 |
GB2008114B (en) | 1982-04-07 |
DE2751363C2 (de) | 1985-10-17 |
IT7851918A0 (it) | 1978-11-15 |
IT1157709B (it) | 1987-02-18 |
NL7811342A (nl) | 1979-05-21 |
GB2008114A (en) | 1979-05-31 |
FR2409252A1 (fr) | 1979-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE7800970L (sv) | Sett att framstella kinolinkarboxylsyraderivat | |
SE439485B (sv) | Sett att framstella nya alkyloximderivat av 7-aminotiazolyl-acetamidocefalosporansyra | |
SE441528B (sv) | Sett att framstella nya 3-kinolin-karboxylsyraderivat | |
BE860976A (fr) | Solution stable contenant un acide percarboxylique | |
DK274676A (da) | Halogensubstituerede 1-lavalkyl-5-aroylpyrrol-2-eddikesyreforbindelser | |
SE433492B (sv) | Sett att framstella fenylettiksyraderivat | |
SE440655B (sv) | Sett att framstella nya oximderivat av 7-amino-tiazolyl-acetamido-cefalosporansyra | |
IT1033419B (it) | Catalizzatori per l ossidazione di metanolo a formaledeide | |
SE415170B (sv) | Forfarande for tillvaratagande av uranhalten sasom uranperoxid ur en uranylvattenlosning | |
SE7804362L (sv) | Analoger av ergotalkaloider | |
IT1063531B (it) | Convertitore stabilizzato da corrente continua a corrente continua | |
SE7604890L (sv) | Sett att framstella perkarbonsyralosningar | |
SE434842B (sv) | Sett att framstella nya 7-amino-tiazolyl-acetamido-cefalosporansyraderivat | |
SE7802149L (sv) | Oxazolinoazetidinylsmorsyraderivat | |
SE7811835L (sv) | Sett att rena en genom oxidation av p-xylen utvunnen p-tolylsyra | |
SE397332B (sv) | Sett att rena fosforsyra | |
IT1084863B (it) | Circuito per fornire un potenziale fuori da un intervallo di potenziale disponibilie | |
SE423542B (sv) | Sett att framstella 2,6-dimetyl-3metoxikarbonyl-4-(2'-nitrofenyl)-1,4-dihydropyridin-5-karbonsyraisobutylester | |
SE384845B (sv) | Sett att rena fosforsyra | |
SE7714412L (sv) | Sett att skilja oxiderad ferrofosfor fran raffinerad ferrofosfor | |
DK151235C (da) | Fremgangsmaade til elektrolytisk oxidation af et dialkyldithiocarbamat til et tetraalkylthiuramdisulfid | |
SE426394B (sv) | Sett att framstella xanten-9-karbonsyraestrar | |
SE418082B (sv) | Sett att framstella perpropionsyralosningar | |
SE432588B (sv) | Sett att framstella substituerade fenyl-alkyl-karboxylsyror | |
SE7802696L (sv) | Sett att rena urokinas |