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:
Nov. 25, 2014
Filed:
May. 10, 2010
Larry D. Timberlake, West Lafayette, IN (US);
Mark V. Hanson, West Lafayette, IN (US);
Narayan Subramaniam, West Lafayette, IN (US);
William R. Fielding, West Lafayette, IN (US);
Larry D. Timberlake, West Lafayette, IN (US);
Mark V. Hanson, West Lafayette, IN (US);
Narayan Subramaniam, West Lafayette, IN (US);
William R. Fielding, West Lafayette, IN (US);
Chemtura Corporation, Middlebury, CT (US);
Abstract
A flame-retardant resin composition comprises a base resin (A), such as a polyester, polyamide or polycarbonate resin, and an organophosphorus compound (B) having at least one of the following formulas (I), (II) and (III): where A is selected from O, S, SO, a single bond, alkyl, and —CH—P; Pis a phosphorus-containing group of the formula: Rand Rare the same or different and each is selected from H, O-alkyl, O-aryl, alkyl, aryl, and OM; Ris H or alkyl; M=Na, K, Zn, Al, Ca; a is an integer from 0 to 4, provided that a is at least 1 unit for each polymer chain; n is an integer from 1 to 100,000 and m is an integer from 0 to 100,000.