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:
Jun. 02, 2015
Filed:
Jun. 29, 2011
Applicants:
Wei Wang, League City, TX (US);
David K. Knoeppel, League City, TX (US);
Fengkui LI, Houston, TX (US);
Jose M. Sosa, Deer Park, TX (US);
Inventors:
Wei Wang, League City, TX (US);
David K. Knoeppel, League City, TX (US);
Fengkui Li, Houston, TX (US);
Jose M. Sosa, Deer Park, TX (US);
Assignee:
FINA TECHNOLOGY, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 25/06 (2006.01); C08L 35/06 (2006.01); C08L 101/00 (2006.01); C08L 29/04 (2006.01); C08L 67/00 (2006.01);
U.S. Cl.
CPC ...
C08L 35/06 (2013.01); C08L 101/00 (2013.01); C08L 67/00 (2013.01); C08L 29/04 (2013.01); C08L 25/06 (2013.01);
Abstract
Polystyrene blends and methods of making polystyrene blends including combining a styrene monomer and an epoxy-functional comonomer to form a combined mixture, subjecting the combined mixture to polymerization to obtain a polystyrene copolymer and combining the polystyrene copolymer with a biodegradable polymer to obtain a polystyrene blend.