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:
Dec. 19, 2000
Filed:
Jul. 22, 1998
Applicant:
Inventors:
Jose M Sosa, Deer Park, TX (US);
LuAnn Kelly, Friendswood, TX (US);
Assignee:
Fina Technology, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 67 ; 526 65 ; 526 68 ; 526227 ; 5262325 ; 525 53 ; 525 54 ; 525316 ;
Abstract
A process is disclosed for enhancing the production of polymerized monovinyl aromatic compounds, in which process a small polymerization reactor is inserted in the recycle stream to deactivate the polymerization inhibitors in the recycle stream and to further increase the conversion level of monomer to desirable polymer.