ES291917A1 - Procedure for the obtaining of monogychonic ester of tertifylic acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of monogychonic ester of tertifylic acid (Machine-translation by Google Translate, not legally binding)
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BASF SE
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BASF SE
Badische Anilin and Sodafabrik AG
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Application filed by BASF SE, Badische Anilin and Sodafabrik AGfiledCriticalBASF SE
Publication of ES291917A1publicationCriticalpatent/ES291917A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
"Process for obtaining monoglycol ester of terephthalic acid", characterized in that in an aqueous suspension of acid alkaline salts of terephthalic acid, under normal or high pressure and at temperatures between 60 and 250º C, ethylene oxide is introduced until that the pH of the reaction mixture is 7-9, an acid which is more acidic than the monoglycolic ester of terephthalic acid is added to this reaction mixture, and the monoglycolic ester of terephthalic acid is removed. (Machine-translation by Google Translate, not legally binding)
ES0291917A1962-09-291963-09-24Procedure for the obtaining of monogychonic ester of tertifylic acid (Machine-translation by Google Translate, not legally binding)
ExpiredES291917A1
(en)
A procedure for eliminating arsenic oxide from washing acids of facilities for the manufacture of sulfuric acid by contact (Machine-translation by Google Translate, not legally binding)