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:
Apr. 06, 2010
Filed:
Jun. 29, 2005
Vilan Kosover, Cheshire, CT (US);
Jesus A. Fabian, Wethersfield, CT (US);
Istvan Lippai, Naugatuck, CT (US);
Brigitte Benage, Wolcott, CT (US);
Gerald J. Abruscato, Southington, CT (US);
Vilan Kosover, Cheshire, CT (US);
Jesus A. Fabian, Wethersfield, CT (US);
Istvan Lippai, Naugatuck, CT (US);
Brigitte Benage, Wolcott, CT (US);
Gerald J. Abruscato, Southington, CT (US);
Chemtura Corporation, Middlebury, CT (US);
Abstract
Disclosed herein is a method for inhibiting and retarding the premature polymerization and the polymer growth of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor that is a sulfonated nitrophenol of the formula: wherein: R, R, and Rare independently selected from the group consisting of hydrogen, alkyl, NO, and SOH, provided that at least one of R, R, and Ris NOand at least one of R, R, and Ris SOH. In a preferred embodiment, at least one additional inhibitor selected from the group consisting of nitroxyl compounds, nitrosoanilines, nitrophenols, amines, and mixtures thereof is also added.