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:
Oct. 21, 2014
Filed:
Feb. 07, 2013
Honeywell International Inc., Morristown, NJ (US);
Scott R. Keenan, Marlton, NJ (US);
Honeywell Intenational Inc., Morristown, NJ (US);
Abstract
A method for controlling the production of heavy compounds in the production of alpha-methyl styrene is provided. In one embodiment, the method includes providing a first composition to a distillation column, said first composition comprising acetone, phenol, cumene and alpha-methyl styrene; refining the first composition in the distillation column to produce a second composition comprising at least 1 wt. % alpha-methyl styrene and at least one organic acid, wherein the second composition includes a higher weight percentage of alpha-methyl styrene than the first composition; and adding an amine to the second composition.