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:
Dec. 02, 2025
Filed:
Feb. 28, 2023
Westlake Epoxy Inc., Houston, TX (US);
Mark Kapellen, Barendrecht, NL;
WESTLAKE EPOXY INC., Houston, TX (US);
Abstract
Embodiments of the present disclosure generally relate to processes for forming bisphenols and epoxy resin compositions. In an embodiment, a process for making an epoxy resin composition is provided. The process includes reacting a mixture comprising a catalyst, a monophenol, and an aldehyde or ketone, the mixture comprising a stoichiometric excess of the aldehyde or ketone to the monophenol, and forming a reaction product with the reaction mixture, the reaction product comprising a bisphenol. The process further includes removing water and unreacted aldehyde or ketone from the reaction product, and converting the reaction product comprising the bisphenol to an epoxy resin composition, wherein, after reacting the mixture and before converting the reaction product, the process is free of washing, drying, solid-liquid separation, or combinations thereof.