ES217864A1 - A procedure for the obtaining of thermoplastic artificial substances (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the obtaining of thermoplastic artificial substances (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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Bayer AG
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Bayer AG
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Priority to ES0217864ApriorityCriticalpatent/ES217864A1/en
Publication of ES217864A1publicationCriticalpatent/ES217864A1/en
Process for obtaining thermoplastic artificial substances or thermoplastic polyesters by conversion of dioxy-combinations into macromolecular polycarbonates, characterized in that di-mono-oxy-alkanes, especially 4,4-dioxyaryl alkanes, are used as dioxide-combinations and the polycondensation is carried out in the case in the presence of reducers. (Machine-translation by Google Translate, not legally binding)
ES0217864A1954-10-111954-10-11A procedure for the obtaining of thermoplastic artificial substances (Machine-translation by Google Translate, not legally binding)
ExpiredES217864A1
(en)
A procedure and device for the protection of soil and slopes against the erosive action of water (Machine-translation by Google Translate, not legally binding)
Procedure for the hardening of manufactured artificial bodies of collagen or other proteins. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of elevated molecular and soluble weights in alkalis of the polycarbonilic acid (Machine-translation by Google Translate, not legally binding)