DE3880902D1 - Verfahren zur herstellung von hydroxybenzoesaeure. - Google Patents
Verfahren zur herstellung von hydroxybenzoesaeure.Info
- Publication number
- DE3880902D1 DE3880902D1 DE8888109719T DE3880902T DE3880902D1 DE 3880902 D1 DE3880902 D1 DE 3880902D1 DE 8888109719 T DE8888109719 T DE 8888109719T DE 3880902 T DE3880902 T DE 3880902T DE 3880902 D1 DE3880902 D1 DE 3880902D1
- Authority
- DE
- Germany
- Prior art keywords
- hydroxybenzoesaeure
- production
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/01—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/01—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups
- C07C65/03—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups monocyclic and having all hydroxy or O-metal groups bound to the ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-157140A JPH013149A (ja) | 1987-06-24 | ヒドロキシ安息香酸の製造方法 | |
JP62-159097A JPH013150A (ja) | 1987-06-26 | ヒドロキシ安息香酸の製造方法 | |
JP62269315A JPH01113338A (ja) | 1987-10-27 | 1987-10-27 | ヒドロキシ安息香酸の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3880902D1 true DE3880902D1 (de) | 1993-06-17 |
DE3880902T2 DE3880902T2 (de) | 1993-09-02 |
Family
ID=27321115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888109719T Expired - Fee Related DE3880902T2 (de) | 1987-06-24 | 1988-06-17 | Verfahren zur herstellung von hydroxybenzoesaeure. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4814495A (de) |
EP (1) | EP0298289B1 (de) |
KR (1) | KR910000774B1 (de) |
DE (1) | DE3880902T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5072036A (en) * | 1987-10-16 | 1991-12-10 | Kawasaki Steel Corporation | Process for preparing para-hydroxybenzoic acid |
JP2718932B2 (ja) * | 1988-01-23 | 1998-02-25 | 株式会社上野製薬応用研究所 | 芳香族オキシカルボン酸の製造法 |
NL1001628C2 (nl) * | 1995-11-10 | 1997-05-13 | Akzo Nobel Nv | Werkwijze voor de tweevoudige carboxylering van dihydrische fenolen en meer in het bijzonder ter bereiding van 2,5-dihydroxytereftaalzuur. |
CN114805060A (zh) * | 2022-06-13 | 2022-07-29 | 扬州大学 | 一种对羟基苯甲酸钾的制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816521A (en) * | 1967-10-02 | 1974-06-11 | Ueno Pharm Co Ltd | Process for the production of p-hydroxy benzoic acid |
SU1004347A1 (ru) * | 1981-06-11 | 1983-03-15 | Уфимский Нефтяной Институт | Способ выделени и очистки фенолкарбоновых кислот |
US4376867A (en) * | 1981-07-07 | 1983-03-15 | Gert Jansen | Chemical process |
JPS58118538A (ja) * | 1981-12-29 | 1983-07-14 | Toray Eng Co Ltd | 有機酸の回収方法 |
DE3210597A1 (de) * | 1982-03-23 | 1983-10-06 | Bayer Ag | Verfahren zur herstellung von aromatischen hydroxycarbonsaeuren |
DE3210599A1 (de) * | 1982-03-23 | 1983-10-06 | Bayer Ag | Verfahren zur herstellung von aromatischen hydroxycarbonsaeuren |
JPS61115053A (ja) * | 1984-11-09 | 1986-06-02 | Ueno Seiyaku Oyo Kenkyusho:Kk | 芳香族ヒドロキシカルボン酸の製造法 |
-
1988
- 1988-06-06 US US07/203,345 patent/US4814495A/en not_active Expired - Fee Related
- 1988-06-17 DE DE8888109719T patent/DE3880902T2/de not_active Expired - Fee Related
- 1988-06-17 EP EP88109719A patent/EP0298289B1/de not_active Expired - Lifetime
- 1988-06-22 KR KR1019880007553A patent/KR910000774B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0298289B1 (de) | 1993-05-12 |
US4814495A (en) | 1989-03-21 |
EP0298289A3 (en) | 1990-07-11 |
KR910000774B1 (ko) | 1991-02-06 |
DE3880902T2 (de) | 1993-09-02 |
KR890000394A (ko) | 1989-03-14 |
EP0298289A2 (de) | 1989-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |