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. 20, 2015
Filed:
Nov. 07, 2011
David Chalfant, Levittown, PA (US);
Jeffery Goodwin, Deer Park, TX (US);
Dmitri A. Kraptchetov, Lansdale, PA (US);
Robert Wilczynski, Yardley, PA (US);
David Chalfant, Levittown, PA (US);
Jeffery Goodwin, Deer Park, TX (US);
Dmitri A. Kraptchetov, Lansdale, PA (US);
Robert Wilczynski, Yardley, PA (US);
Abstract
A process comprising for preparing Cto Calkyl(meth)acrylates, such as butyl acrylate, wherein vaporized reactor contents are fed directly to a column, the aqueous reflux ratio to the column is from 4 to 12, and the level of acrylic acid in the primarily organic phase separated from the overhead condensate of the column is less than 2000 ppm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile