DE3871455D1 - Verfahren zur herstellung von benzoesaeure und ihren salzen. - Google Patents
Verfahren zur herstellung von benzoesaeure und ihren salzen.Info
- Publication number
- DE3871455D1 DE3871455D1 DE8888401921T DE3871455T DE3871455D1 DE 3871455 D1 DE3871455 D1 DE 3871455D1 DE 8888401921 T DE8888401921 T DE 8888401921T DE 3871455 T DE3871455 T DE 3871455T DE 3871455 D1 DE3871455 D1 DE 3871455D1
- Authority
- DE
- Germany
- Prior art keywords
- salts
- benzoic acid
- producing benzoic
- producing
- acid
- Prior art date
- 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 - Lifetime
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL83293A IL83293A (en) | 1987-07-23 | 1987-07-23 | Process for the manufacture of benzoic acid and salts thereof by catalytic oxidation of toluene in the liquid phase in the presence of a phase transfer catalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3871455D1 true DE3871455D1 (de) | 1992-07-02 |
Family
ID=11058009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888401921T Expired - Lifetime DE3871455D1 (de) | 1987-07-23 | 1988-07-22 | Verfahren zur herstellung von benzoesaeure und ihren salzen. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4965406A (de) |
EP (1) | EP0300921B1 (de) |
JP (1) | JPH01308245A (de) |
AR (1) | AR245094A1 (de) |
AT (1) | ATE76636T1 (de) |
BR (1) | BR8804002A (de) |
CA (1) | CA1310977C (de) |
DE (1) | DE3871455D1 (de) |
ES (1) | ES2032579T3 (de) |
IL (2) | IL83293A (de) |
RU (1) | RU1779241C (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9310699D0 (en) * | 1993-05-24 | 1993-07-07 | Zeneca Ltd | Chemical process |
US8884055B2 (en) | 2010-06-30 | 2014-11-11 | Uop Llc | Process for producing terephthalic acid |
US9045407B2 (en) | 2010-06-30 | 2015-06-02 | Uop Llc | Mixtures used in oxidizing alkyl aromatic compounds |
US8754254B2 (en) | 2010-06-30 | 2014-06-17 | Uop Llc | Process for purifying terephthalic acid |
US8835678B2 (en) | 2010-06-30 | 2014-09-16 | Uop Llc | Solid terephthalic acid composition |
US8933265B2 (en) * | 2010-06-30 | 2015-01-13 | Uop Llc | Process for oxidizing alkyl aromatic compounds |
US8884054B2 (en) | 2010-06-30 | 2014-11-11 | Uop Llc | Process for oxidizing alkyl aromatic compounds |
US8933266B2 (en) | 2010-06-30 | 2015-01-13 | Uop Llc | Process for producing terephthalic acid |
CN105085228B (zh) * | 2015-07-30 | 2017-07-11 | 山东省农药科学研究院 | 一种3,5‑二甲基苯甲酸的生产方法 |
CN107406469B (zh) | 2015-12-18 | 2021-04-30 | 伊士曼化工公司 | 用于从水性料流中萃取c1至c4羧酸的季芳基羧酸盐组合物 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3235588A (en) * | 1966-02-15 | Purification of benzoic acid | ||
US2865708A (en) * | 1955-08-26 | 1958-12-23 | Richfield Oil Corp | Process of recovering cobalt, cerium, and manganese catalysts |
US2883816A (en) * | 1957-05-24 | 1959-04-28 | Kroll Eberhard | Apparatus for automatically placing articles in layers in containers particularly fish in barrels |
US3210416A (en) * | 1960-09-22 | 1965-10-05 | Standard Oil Co | Manufacture of benzoic acid from toluene |
NL280020A (de) * | 1961-06-26 | |||
US3227752A (en) * | 1962-05-03 | 1966-01-04 | Union Oil Co | Oxidation of alkylaromatic hydrocarbons |
US4007228A (en) * | 1964-11-19 | 1977-02-08 | L'oreal | Substituted-2-nitro-paraphenylenediamines and processes for producing same |
US3816523A (en) * | 1968-10-11 | 1974-06-11 | Tenneco Chem | Process for the production and purification of benzoic acid |
US3665030A (en) * | 1969-12-11 | 1972-05-23 | Labofina Sa | Oxidation of alkyl aromatics |
US4302401A (en) * | 1980-01-23 | 1981-11-24 | Exxon Research & Engineering Co. | Tetraalkyl phosphonium substituted phosphine and amine transition metal complexes |
DE3128147C2 (de) * | 1981-07-16 | 1986-03-06 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung von aromatischen Monocarbonsäuren |
US4398037A (en) * | 1981-11-09 | 1983-08-09 | Hercofina | Process for producing aromatic carboxylic acids and methyl esters thereof |
-
1987
- 1987-07-23 IL IL83293A patent/IL83293A/xx not_active IP Right Cessation
- 1987-07-23 IL IL85976A patent/IL85976A/xx not_active IP Right Cessation
-
1988
- 1988-07-22 DE DE8888401921T patent/DE3871455D1/de not_active Expired - Lifetime
- 1988-07-22 EP EP88401921A patent/EP0300921B1/de not_active Expired - Lifetime
- 1988-07-22 CA CA000572870A patent/CA1310977C/en not_active Expired - Lifetime
- 1988-07-22 ES ES198888401921T patent/ES2032579T3/es not_active Expired - Lifetime
- 1988-07-22 RU SU884356216A patent/RU1779241C/ru active
- 1988-07-22 AR AR88311490A patent/AR245094A1/es active
- 1988-07-22 AT AT88401921T patent/ATE76636T1/de not_active IP Right Cessation
- 1988-07-22 JP JP63181928A patent/JPH01308245A/ja active Pending
- 1988-07-25 BR BR8804002A patent/BR8804002A/pt not_active Application Discontinuation
-
1989
- 1989-07-20 US US07/384,065 patent/US4965406A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IL85976A (en) | 1992-03-29 |
EP0300921B1 (de) | 1992-05-27 |
AR245094A1 (es) | 1993-12-30 |
RU1779241C (ru) | 1992-11-30 |
ATE76636T1 (de) | 1992-06-15 |
IL83293A0 (en) | 1987-12-31 |
CA1310977C (en) | 1992-12-01 |
IL83293A (en) | 1992-03-29 |
US4965406A (en) | 1990-10-23 |
EP0300921A1 (de) | 1989-01-25 |
BR8804002A (pt) | 1989-02-28 |
JPH01308245A (ja) | 1989-12-12 |
ES2032579T3 (es) | 1993-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |