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. 10, 2011
Filed:
Dec. 30, 2008
Satish Kumar Gaggar, Parkersburg, WV (US);
Tze Wei Liu, Morgantown, WV (US);
Rakesh Gupta, Morgantown, WV (US);
Sushant Agarwal, Morgantown, WV (US);
Adam Al-mulla, Kuwait, KW;
Satish Kumar Gaggar, Parkersburg, WV (US);
Tze Wei Liu, Morgantown, WV (US);
Rakesh Gupta, Morgantown, WV (US);
Sushant Agarwal, Morgantown, WV (US);
Adam Al-Mulla, Kuwait, KW;
Abstract
Disclosed is a flame-retardant composition comprising (i) 40-66 wt. % alkenyl aromatic resin, (ii) 9-33 wt. % ammonium polyphosphate and (iii) 14-40 wt. % cellulosic material, wherein all weights are based on the total weight of the composition and wherein ammonium polyphosphate and cellulosic material are present in a weight % ratio effective to provide molded articles exhibiting at least V-1 flame rating as determined according to the UL-94 protocol. A process to prepare the composition and articles comprising a composition of the invention and/or made by the process of the invention described herein are also disclosed.