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:
May. 30, 2023
Filed:
Mar. 06, 2020
Fina Technology, Inc., Houston, TX (US);
Joseph Pelati, Houston, TX (US);
FINA TECHNOLOGY, INC., Houston, TX (US);
Abstract
A method of reducing the fouling in a process for the production of styrene, the method comprising: introducing an additive into a stream comprising styrene and byproduct divinyl benzene (DVB), wherein the additive comprises: at least one chemical compound comprising one or more functional groups selected from amines, alcohols, amino-alcohols, labile C—C, esters, carbamates, aldehydes, ketones, acids, acetates, benzoates, labile hydrogen, and combinations thereof, and having a boiling point greater than or equal to 170° C. and within 10, 20, 30, 40, 50, or 60° C. of the boiling point of divinyl benzene (DVB) (which is 195° C.), wherein the at least one chemical compound is active to inhibit divinyl benzene (DVB) crosslinking. A system for carrying out the method is also provided.