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:
Feb. 26, 2013
Filed:
Jun. 29, 2011
Applicants:
Wei Wang, League City, TX (US);
David Knoeppel, League City, TX (US);
Inventors:
Wei Wang, League City, TX (US);
David Knoeppel, League City, TX (US);
Assignee:
Fina Technology, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 18/00 (2006.01); C08F 20/68 (2006.01); C08F 220/12 (2006.01); C08L 25/02 (2006.01); C08L 33/02 (2006.01); C08L 35/02 (2006.01); C08L 39/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of making a styrenic composition having a high melt strength including combining a styrenic monomer and a second monomer to form a combined mixture and subjecting the combined mixture to polymerization to obtain a styrenic co-polymer, wherein the second monomer comprises a hydroxyl functional group and wherein the styrenic composition has a greater melt strength than that of general purpose polystyrene.