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. 30, 2012
Filed:
Jun. 03, 2010
Vinod Kumar Rai, Karnataka, IN;
Sherif Eldin, Bellaire, TX (US);
Mary King, Kingwood, TX (US);
John Link, Humble, TX (US);
Alagarsamy A. Subbiah, Karnataka, IN;
H. Kelly Herrington, Thicket, TX (US);
Vinod Kumar Rai, Karnataka, IN;
Sherif Eldin, Bellaire, TX (US);
Mary King, Kingwood, TX (US);
John Link, Humble, TX (US);
Alagarsamy A. Subbiah, Karnataka, IN;
H. Kelly Herrington, Thicket, TX (US);
General Electric Company, Schenectady, NY (US);
Abstract
Methods and compositions are provided for inhibiting the polymerization of a vinyl aromatic monomer, such as styrene monomer, during elevated temperature processing thereof or during storage or shipment of polymer containing product. The compositions comprise a combination of a quinone methide derivative A) and a phenol compound B). The methods comprise adding from about 1-10,000 ppm of the combination to the monomer containing medium, per one million parts of the monomer.