ES230195A2 - A procedure for the degradation of polyethylene tertifthalate (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the degradation of polyethylene tertifthalate (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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
Original Assignee
Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
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Publication date
Application filed by Glanzstoff AG, Vereinigte Glanzstoff Fabriken AGfiledCriticalGlanzstoff AG
Publication of ES230195A2publicationCriticalpatent/ES230195A2/en
Improvements introduced in the object of the main patent, that is in the processes for obtaining dimethyl terephthalate by degradation of polyethylene terephthalate in the presence of orthophosphoric or metaphosphoric acid with superheated methanol vapor of 220 to 245º, characterized by the degradation it is carried out with the polyethylene terephthalate in a pasty state. (Machine-translation by Google Translate, not legally binding)
ES0230195A1955-08-051956-08-04A procedure for the degradation of polyethylene tertifthalate (Machine-translation by Google Translate, not legally binding)
ExpiredES230195A2
(en)
A new procedure for the obtaining of a compound generator of conservative gases and momifiers to slow reaction for the embalancement of corpses (Machine-translation by Google Translate, not legally binding)
A procedure for the obtaining by synthesis of 4-amino-3-isoxazolidone and its derivatives (Machine-translation by Google Translate, not legally binding)