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:
Aug. 25, 2026
Filed:
Dec. 01, 2021
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Lara Galan-Sanchez, Eindhoven, NL;
Kae Shin Wong, Maasmechelen, BE;
Kadek Sumpena, Nederweert, NL;
Martino Trabuio, Eindhoven, NL;
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A method for purifying phenol can include contacting a first stream containing phenol with a second stream containing wastewater from a bisphenol-A (BPA) production process to form a third stream, distilling the third stream to form a fourth stream containing phenol and water, contacting the fourth stream with a fifth stream containing mother liquor from a BPA crystallization unit of the BPA production process to form a sixth stream, and distilling the sixth stream to form a products stream containing phenol.