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. 24, 2009
Filed:
Oct. 06, 2005
Edward Norman Peters, Lenox, MA (US);
Christina Louise Braidwood, Niskayuna, NY (US);
Edward Norman Peters, Lenox, MA (US);
Christina Louise Braidwood, Niskayuna, NY (US);
AT&T Intellectual Property, I, L.P., Wilmington, DE (US);
Abstract
A synergistic flame retardant combination includes (a) a phosphorus salt having the formula wherein Mis a metal ion or an onium ion; d is 1, 2, 3, or 4 according to the identity of M and its oxidation state; each occurrence of Rand Ris independently C-Chydrocarbyl; and each occurrence of m and n is independently 0 or 1; and (b) a phosphine compound selected from trihydrocarbylphosphines, trihydrocarbylphosphine oxides, and combinations thereof. Polymer compositions utilizing the flame retardant combination are described.