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VONDELINGEN PLAAT BV
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VONDELINGEN PLAAT BV
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Publication of ES272280A1publicationCriticalpatent/ES272280A1/en
A process for the preparation of polyesters characterized by reacting anhydrides of dibasic or polybasic acids with cyclic esters of aliphatic diols and volatile inorganic polybasic acids, in the presence of usual catalysts. (Machine-translation by Google Translate, not legally binding)
ES0272280A1960-11-241961-11-23A procedure for the preparation of polyesters (Machine-translation by Google Translate, not legally binding)
ExpiredES272280A1
(en)
A procedure for the continuous transesterification of dicarboxilic acid esters with alcohols. (Machine-translation by Google Translate, not legally binding)