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:
Jan. 30, 2018

Filed:

Mar. 20, 2017
Applicant:

Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);

Inventors:

Jason L. Kreider, Copan, OK (US);

Michael S. Matson, Bartlesville, OK (US);

Assignee:

Chevron Phillips Chemical Company LP, The Woodlands, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 12/08 (2006.01); C08F 112/08 (2006.01); C07C 321/04 (2006.01);
U.S. Cl.
CPC ...
C08F 112/08 (2013.01); C07C 321/04 (2013.01);
Abstract

A chain transfer agent composition comprises at least one branched Cmercaptan selected from 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, or combinations thereof. The chain transfer agent composition can be a component of an emulsion polymerization mixture and can be used in a process for emulsion polymerization for the production of polymers, for example, via free-radical polymerization.


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