ES281105A2 - A procedure for discondenating polyethylene therethalate to dimethyl ester of thereftal acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for discondenating polyethylene therethalate to dimethyl ester of thereftal acid (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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Glanzstoff AG, Vereinigte Glanzstoff Fabriken AGfiledCriticalGlanzstoff AG
Priority to ES281105ApriorityCriticalpatent/ES281105A2/en
Publication of ES281105A2publicationCriticalpatent/ES281105A2/en
Improvements introduced in the main patent object, that is in a procedure for the decondensation of poly (ethylene terephthalate) to terephthalic acid dimethyl ester, characterized in that the poly (ethylene terephthalate) is added zin compounds in finely formed form divided, suspended in methanol, especially zinc oxide or zinc salts of organic or inorganic acids, in an amount of 0.1 to 2% relative to the poly (ethylene terephthalate) employed. (Machine-translation by Google Translate, not legally binding)
ES281105A1962-09-271962-09-27A procedure for discondenating polyethylene therethalate to dimethyl ester of thereftal acid (Machine-translation by Google Translate, not legally binding)
ExpiredES281105A2
(en)
A procedure for discondenating polyethylene therethalate to dimethyl ester of thereftal acid (Machine-translation by Google Translate, not legally binding)
A procedure for discondenating polyethylene therethalate to dimethyl ester of thereftal acid (Machine-translation by Google Translate, not legally binding)
A procedure for discondenating polyethylene therethalate to dimethyl ester of thereftal acid (Machine-translation by Google Translate, not legally binding)
A procedure for discondenating polyethylene therethalate to dimethyl ester of thereftal acid (Machine-translation by Google Translate, not legally binding)
A procedure for the polycondensation of reaction products of dimethyl tereftalate and etilenoglycol (Machine-translation by Google Translate, not legally binding)