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:
Jan. 05, 2010
Filed:
Jun. 05, 2003
Slawomir A. Oleksy, Billerica, MA (US);
Vincent A. Welch, Medway, MA (US);
Leslie F. Whittle, Windham, NH (US);
Slawomir A. Oleksy, Billerica, MA (US);
Vincent A. Welch, Medway, MA (US);
Leslie F. Whittle, Windham, NH (US);
Stone & Webster, Inc., Houston, TX (US);
Abstract
Improved methods and related apparatus are disclosed for efficiently recovering the heat of condensation from overhead vapor produced during separation of various components of dehydrogenation reaction effluent, particularly in ethylbenzene-to-styrene operations, by the use of at least a compressor to facilitate azeotropic vaporization of an ethylbenzene and water mixture within a preferred range of pressure/temperature conditions so as to minimize undesired polymerization reactions.