ES284169A3 - Procedure for the obtaining of new linear aromatic copolyesters (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of new linear aromatic copolyesters (Machine-translation by Google Translate, not legally binding)
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.)
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La Seda de Barcelona SA
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La Seda de Barcelona SA
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Priority to ES0284169ApriorityCriticalpatent/ES284169A3/en
Publication of ES284169A3publicationCriticalpatent/ES284169A3/en
Process for obtaining new high molecular weight linear aromatic copolyesters, in particular of copolyesters of diphenol terephthalate and diphenol isophthalate, characterized in that the chlorides of terephthalic or isophthalic acids are reacted with a diphenol, with removal of the hydrochloric acid formed during the reaction. (Machine-translation by Google Translate, not legally binding)
ES0284169A1963-01-091963-01-09Procedure for the obtaining of new linear aromatic copolyesters (Machine-translation by Google Translate, not legally binding)
ExpiredES284169A3
(en)
Procedure for the polycondensation of bis-hydrochloretters of aromatic dicarboxilic acids. (Machine-translation by Google Translate, not legally binding)
Process for the production of poly (ethylene glycol terephthalate) by reacting dimethyl terephthalate with ethylene glycol and polycondensation of the reaction product
A process for the preparation of polyesters from thereftal acid and glycols, more particularly ethylenglycol. (Machine-translation by Google Translate, not legally binding)