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:
May. 02, 2023
Filed:
Aug. 04, 2020
Applicant:
Fina Technology, Inc., Houston, TX (US);
Inventors:
Fengkui Li, Houston, TX (US);
Jayna Brown, Houston, TX (US);
Jon David Tippet, League City, TX (US);
Kenneth P. Blackmon, Houston, TX (US);
David W. Knoeppel, League City, TX (US);
John R. Gaustad, Friendswood, TX (US);
Wyman T. Stephens, Baytown, TX (US);
Ying Wang, Houston, TX (US);
Assignee:
FINA TECHNOLOGY, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/28 (2006.01); C08K 3/22 (2006.01); C08K 5/02 (2006.01);
U.S. Cl.
CPC ...
C08J 9/28 (2013.01); C08K 3/22 (2013.01); C08K 5/02 (2013.01); C08J 2325/06 (2013.01); C08K 2003/2227 (2013.01);
Abstract
A polystyrene (PS) composition for making an extruded foam, the PS composition comprising: a dried PS/alumina compound comprising a PS and an alumina additive, wherein the dried PS/alumina compound has a moisture content, measured by Coulometer, that is less than or equal to about 0.05 weight percent (wt %); and a blowing agent.