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:
Jun. 30, 2009
Filed:
Jun. 17, 2005
Qinggao MA, Naugatuck, CT (US);
William A. Wortman, Harwinton, CT (US);
Jay Wang, Naperville, IL (US);
Paul E. Stott, Oxford, CT (US);
Qinggao Ma, Naugatuck, CT (US);
William A. Wortman, Harwinton, CT (US);
Jay Wang, Naperville, IL (US);
Paul E. Stott, Oxford, CT (US);
Chemtura Corporation, Middlebury, CT (US);
Abstract
Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one nitroso inhibitor of the structure: wherein R, R, R, and Rare independently selected from the group consisting of hydrogen, nitro, nitroso, halogen, COOR wherein R is hydrogen or alkyl, alkyl, and heteroatom-substituted alkyl; or adjacent groups R, R, R, and Rcan be taken together to form a substituted or unsubstituted fused six-membered ring. Also disclosed is a composition of matter comprising: