ES364905A1 - Hodrilitic procedure for the obtaining of aromatic carboxiacides (Machine-translation by Google Translate, not legally binding) - Google Patents
Hodrilitic procedure for the obtaining of aromatic carboxiacides (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES364905A1 ES364905A1 ES0364905A ES364905A ES364905A1 ES 364905 A1 ES364905 A1 ES 364905A1 ES 0364905 A ES0364905 A ES 0364905A ES 364905 A ES364905 A ES 364905A ES 364905 A1 ES364905 A1 ES 364905A1
- Authority
- ES
- Spain
- Prior art keywords
- aromatic
- product
- translation
- obtaining
- machine
- 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
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Hydrolytic process for obtaining aromatic carboxyacids, by hydrolysis of its corresponding aromatic nitrile, characterized in that it comprises: in a first step maintaining a thick aqueous suspension containing the aromatic nitrile, water and a small amount of a catalyst chosen from the group consisting of alkali metal and alkaline earth metal hydroxides, carbonates and salts, of the aromatic carboxylic acids and ammonium salts of said acids at a temperature of about 148.8 to about 315.5ºC for a sufficient period of time to hydrolyze virtually all the aromatic nitrile to a hydrolysis product: in a second step contacting the hydrolysis product of the previous step with countercurrent water vapor, thereby separating ammonia from said product; in a third step cooling the product of the second stage at a temperature of about 37.6 to about 148.8º c, after which the aromatic carboxylic acid is removed; and finally recover the aromatic carboxyacid. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0364905A ES364905A1 (en) | 1969-03-18 | 1969-03-18 | Hodrilitic procedure for the obtaining of aromatic carboxiacides (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0364905A ES364905A1 (en) | 1969-03-18 | 1969-03-18 | Hodrilitic procedure for the obtaining of aromatic carboxiacides (Machine-translation by Google Translate, not legally binding) |
Publications (1)
Publication Number | Publication Date |
---|---|
ES364905A1 true ES364905A1 (en) | 1971-03-01 |
Family
ID=59033029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0364905A Expired ES364905A1 (en) | 1969-03-18 | 1969-03-18 | Hodrilitic procedure for the obtaining of aromatic carboxiacides (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES364905A1 (en) |
-
1969
- 1969-03-18 ES ES0364905A patent/ES364905A1/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19841129 |