The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 1996
Filed:
Aug. 07, 1995
Brad L Smith, Wilmington, NC (US);
Gary E Wilkins, Wilmington, NC (US);
Hoechst Celanese Corporation, Somerville, NJ (US);
Abstract
A process for recovering dimethyl terephthalate (DMT) comprises the steps of: providing a dimethyl terephthalate stream including dimethyl terephthalate, glycols, and coordination compounds; acidifying the coordination compounds to disassociate the ligands from the metalions; separating the ligands from the metalions; separating the dimethyl terephthalate from the glycols; and recovering the dimethyl terephthalate. Additionally, the process may include the step of basifying the metalions to precipitate the metal; and recovering the metal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile