US Patent 7491763 Polyamide composition

Patent 7491763 was granted and assigned to Asahi Kasei on February, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Asami Ohashi0

Masaaki Aramaki0

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Patent abstract

A polyamide composition has (a) a polyamide, (b) at least one phosphorus compound selected from the group consisting of phosphoric acids, phosphorous acids, hypophosphorous acids, metal phosphates, metal phosphites, metal hypophosphites, phosphoric esters, and phosphorous esters, and (c) a soluble metal aluminate compound represented by the general formula (M2O)x(Al2O3)y (wherein X+Y=1 and M is a Group 1 metal of the Periodic Table), wherein the molar ratio of polyvalent metal to monovalent metal in the composition (polyvalent metal/monovalent metal) is from 0.25 to 1.0.

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https://pdfpiw.uspto.gov/.piw?Docid=074917630

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