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.

Date of Patent:
Aug. 08, 2017

Filed:

Nov. 21, 2012
Applicant:

Dorf Ketal Chemicals (India) Private Limited, Mumbai, IN;

Inventor:

Mahesh Subramaniyam, Mumbai, IN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 7/20 (2006.01); C09K 15/20 (2006.01); C08F 2/40 (2006.01); C08K 5/17 (2006.01); C08K 5/32 (2006.01);
U.S. Cl.
CPC ...
C09K 15/20 (2013.01); C07C 7/20 (2013.01); C08F 2/40 (2013.01); C08K 5/17 (2013.01); C08K 5/32 (2013.01); C08F 2438/02 (2013.01);
Abstract

The present invention relates to additive composition for controlling and inhibition of polymerization of aromatic vinyl monomers including styrene comprising (a) one or more of nitroxide (i.e. nitroxyl) compounds, and characterized in that the said composition further comprises one or more of (b) aliphatic amines selected from a group comprising tertiary amines, secondary amines and primary amines. In one embodiment, the present invention also relates to method of use of presently provided composition. In another embodiment, the present invention also relates to method of controlling and inhibiting polymerization of aromatic vinyl monomers including styrene by employing presently provided composition. In still another embodiment, the present invention also relates to method of preparation of presently provided composition.


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