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.)
Resinas Sinteticas SA
Original Assignee
Resinas Sinteticas SA
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 Resinas Sinteticas SAfiledCriticalResinas Sinteticas SA
Priority to ES523140ApriorityCriticalpatent/ES8500627A3/en
Publication of ES523140A0publicationCriticalpatent/ES523140A0/en
Publication of ES8500627A3publicationCriticalpatent/ES8500627A3/en
The dimethyl terephthalate prodn. residues are reacted with dipropylene glycol, or glycol mixt. contg. at least 50% dipropylene glycol. The glycol mixt. must be present in sufficient quantity to provide excess moles relative to the acid or methyl ester groups in the residues.