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:
Jan. 12, 2016
Filed:
Jun. 13, 2013
Applicant:
Angus Chemical Company, Buffalo Grove, IL (US);
Inventors:
Kaustubh Gupte, Mumbai, IN;
Charles E. Coburn, Vernon Hills, IL (US);
Mrunalini S. Dhamdhere, Vernon Hills, IL (US);
Mahesh Sawant, Collegeville, PA (US);
Assignee:
ANGUS CHEMICAL COMPANY, Buffalo Grove, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/42 (2006.01); C08F 2/24 (2006.01); C08F 36/04 (2006.01); C08F 236/10 (2006.01);
U.S. Cl.
CPC ...
C08F 2/42 (2013.01); C08F 2/24 (2013.01); C08F 36/04 (2013.01);
Abstract
This invention provides a method for shortstopping free radical polymerization reactions using combinations of N-isopropylhydroxylamine (IPHA) or salts thereof with either primary or secondary alkyl hydroxylamines, or with at least two primary alkyl hydroxylamines. A method for producing elastomers using the aforesaid shortstopping agents is also provided.