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. 22, 2007
Filed:
Sep. 19, 2005
Stephen Bass, Pearland, TX (US);
Robert Michael Mason, Houston, TX (US);
Joy Lyndon Mendoza, Seabrook, TX (US);
Steven John Skoog, Houston, TX (US);
Mark T. Vandersall, Jamison, PA (US);
Stephen Bass, Pearland, TX (US);
Robert Michael Mason, Houston, TX (US);
Joy Lyndon Mendoza, Seabrook, TX (US);
Steven John Skoog, Houston, TX (US);
Mark T. Vandersall, Jamison, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
This invention relates to a method for inhibiting polymerization of (meth)acrylic acid and its esters using a polymerization inhibitor which comprises at least one reduced halide-content azine dye-based compound. A process for producing reduced halide-content azine dye-based compounds using ion exchange resin technology is also provided.