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:
Dec. 13, 2022

Filed:

May. 08, 2019
Applicant:

Exxonmobil Chemical Patents Inc., Baytown, TX (US);

Inventors:

Jay L. Reimers, Houston, TX (US);

Yifeng Hong, Houston, TX (US);

Anthony J. Dias, Houston, TX (US);

John R. Hagadorn, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B 9/06 (2006.01); C08J 3/14 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C08J 3/14 (2013.01); C08F 210/16 (2013.01); C08J 2323/14 (2013.01);
Abstract

A process for the synthesis of a granular polymer, the process comprising (a) providing an active polymerization mixture that includes polymer, monomer, catalyst and optional solvent; (b) introducing a hydroxy-containing diaryl acetyl compound to the active polymerization mixture to thereby provide an inactive polymer mixture; (c) separating the polymer solution into a first stream and a second stream, where the first stream includes the polymer and the hydroxy-containing diaryl acetyl compound, and the second stream includes the monomer and the optional solvent; and (d) fabricating granules from the first stream.


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