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:
Jun. 25, 2002
Filed:
Mar. 30, 2001
Marsha Mottel Grade, Niskayuna, NY (US);
John Yaw Ofori, Niskayuna, NY (US);
Eric James Pressman, East Greenbush, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
An integrated method is disclosed for removing and recovering a substantially water-soluble solvent and at least one metal from an organic reaction mixture comprising at least about 35% by weight aromatic hydroxy compound, which comprises the steps of: (i) contacting a reaction mixture at least once with aqueous acid, (ii) mixing the organic and aqueous phases in the presence of an oxygen source, (iii) separating the organic and aqueous phases wherein said solvent remains substantially in the organic phase; (iv) recovering metal species from the aqueous phase; and (v) recovering said solvent from the organic phase.