CH558326A - Verfahren zur herstellung von terephthalsaeuredimethylester. - Google Patents
Verfahren zur herstellung von terephthalsaeuredimethylester.Info
- Publication number
- CH558326A CH558326A CH1838372A CH1838372A CH558326A CH 558326 A CH558326 A CH 558326A CH 1838372 A CH1838372 A CH 1838372A CH 1838372 A CH1838372 A CH 1838372A CH 558326 A CH558326 A CH 558326A
- Authority
- CH
- Switzerland
- Prior art keywords
- terephthalic acid
- acid dimethylester
- manufacturing terephthalic
- manufacturing
- dimethylester
- 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
- C07C51/16—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
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
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 |
|---|---|---|---|
| DE19712163031 DE2163031B2 (de) | 1971-12-18 | 1971-12-18 | Verfahren zur herstellung von terephthalsaeuredimethylester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH558326A true CH558326A (de) | 1975-01-31 |
Family
ID=5828482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1838372A CH558326A (de) | 1971-12-18 | 1972-12-18 | Verfahren zur herstellung von terephthalsaeuredimethylester. |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4346230A (nl) |
| JP (1) | JPS6012342B2 (nl) |
| AR (1) | AR192526A1 (nl) |
| AU (1) | AU472525B2 (nl) |
| BE (1) | BE791138R (nl) |
| BR (1) | BR7208541D0 (nl) |
| CA (1) | CA974540A (nl) |
| CH (1) | CH558326A (nl) |
| CS (1) | CS195261B2 (nl) |
| DD (1) | DD99985A6 (nl) |
| DE (1) | DE2163031B2 (nl) |
| FR (1) | FR2163472B2 (nl) |
| GB (1) | GB1419977A (nl) |
| IT (1) | IT1006045B (nl) |
| NL (1) | NL170409C (nl) |
| RO (1) | RO62353A7 (nl) |
| TR (1) | TR16495A (nl) |
| YU (1) | YU36914B (nl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2010137C3 (de) * | 1970-03-04 | 1979-07-05 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsauredimethylester |
| US4398037A (en) * | 1981-11-09 | 1983-08-09 | Hercofina | Process for producing aromatic carboxylic acids and methyl esters thereof |
| DE3151383C1 (de) * | 1981-12-24 | 1983-06-09 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Rueckgewinnung und Wiederverwendung von Kobalt- und/oder Mangankatalysatorbestandteilen |
| DE3203658C2 (de) * | 1982-02-03 | 1984-09-13 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung von Kobalt- und/oder Manganoxalat |
| DE3204510C2 (de) * | 1982-02-10 | 1986-10-02 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung von Kobalt und/oder Mangan als Oxalate |
| DE3704720A1 (de) * | 1987-02-14 | 1988-08-25 | Huels Troisdorf | Verfahren und vorrichtung zur herstellung von benzolcarbonsaeuren bzw. benzoldicarbonsaeureestern |
| JPH0320942U (nl) * | 1989-07-10 | 1991-02-28 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA747952A (en) | 1966-12-06 | Keller Rudolf | Production of dialkyl esters of iso- and/or terephthalic acid | |
| GB815198A (en) | 1957-06-13 | 1959-06-17 | Du Pont | Improvements in or relating to the production of aromatic acid esters |
| US2245528A (en) * | 1938-10-18 | 1941-06-10 | Du Pont | Catalytic oxidation of alkyl substituted aromatic compounds |
| US2894978A (en) * | 1956-07-02 | 1959-07-14 | Chemische Werke Witten Gmbh | Process of producing esters of phthalic acids by oxidation of xylene and toluic acid ester mixtures |
| NL242734A (nl) | 1958-09-05 | |||
| NL120513C (nl) * | 1959-05-09 | |||
| US3845100A (en) * | 1970-02-13 | 1974-10-29 | Standard Oil Co | Process for conversion of para-xylene to high purity dimethyl terephthalate |
| DE2010137C3 (de) | 1970-03-04 | 1979-07-05 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsauredimethylester |
| JPS4927574B1 (nl) | 1970-09-08 | 1974-07-18 |
-
0
- BE BE791138D patent/BE791138R/xx active
-
1971
- 1971-12-18 DE DE19712163031 patent/DE2163031B2/de not_active Ceased
-
1972
- 1972-09-28 IT IT29817/72A patent/IT1006045B/it active
- 1972-10-04 YU YU2491/72A patent/YU36914B/xx unknown
- 1972-10-19 DD DD166353A patent/DD99985A6/xx unknown
- 1972-11-17 AU AU48986/72A patent/AU472525B2/en not_active Expired
- 1972-11-21 NL NLAANVRAGE7215724,A patent/NL170409C/nl active
- 1972-11-28 AR AR245368A patent/AR192526A1/es active
- 1972-12-05 FR FR7243250A patent/FR2163472B2/fr not_active Expired
- 1972-12-05 BR BR8541/72A patent/BR7208541D0/pt unknown
- 1972-12-05 TR TR16495A patent/TR16495A/xx unknown
- 1972-12-13 CA CA158,714A patent/CA974540A/en not_active Expired
- 1972-12-13 CS CS728574A patent/CS195261B2/cs unknown
- 1972-12-15 JP JP47126028A patent/JPS6012342B2/ja not_active Expired
- 1972-12-18 GB GB5823772A patent/GB1419977A/en not_active Expired
- 1972-12-18 CH CH1838372A patent/CH558326A/xx not_active IP Right Cessation
- 1972-12-18 RO RO73188A patent/RO62353A7/ro unknown
-
1980
- 1980-09-18 US US06/188,457 patent/US4346230A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6012342B2 (ja) | 1985-04-01 |
| NL170409C (nl) | 1982-11-01 |
| AU472525B2 (en) | 1976-05-27 |
| TR16495A (tr) | 1974-01-01 |
| DD99985A6 (nl) | 1973-09-05 |
| FR2163472A2 (nl) | 1973-07-27 |
| GB1419977A (en) | 1975-12-31 |
| NL170409B (nl) | 1982-06-01 |
| AU4898672A (en) | 1974-05-23 |
| AR192526A1 (es) | 1973-02-21 |
| IT1006045B (it) | 1976-09-30 |
| RO62353A7 (nl) | 1977-09-15 |
| YU36914B (en) | 1984-08-31 |
| NL7215724A (nl) | 1973-06-20 |
| CA974540A (en) | 1975-09-16 |
| YU249172A (en) | 1982-06-18 |
| DE2163031B2 (de) | 1976-12-30 |
| DE2163031A1 (de) | 1973-06-28 |
| BE791138R (fr) | 1973-05-09 |
| BR7208541D0 (pt) | 1973-09-25 |
| CS195261B2 (en) | 1980-01-31 |
| FR2163472B2 (nl) | 1977-07-29 |
| JPS4867240A (nl) | 1973-09-13 |
| US4346230A (en) | 1982-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |