US Patent 7244506 High-reflectivity polyester coating

Patent 7244506 was granted and assigned to Valspar on July, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

Gregory Bryant Hayes0

Thomas John Melnyk0

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Patent abstract

A high reflectivity coated substrate and coating composition employing a binder containing a polyester resin that includes a cycloaliphatic group and has a number average molecular weight from about 1,000 to 40,000. The binder contains less than 40 weight percent aromatic group containing compound and the weight ratio of pigment to binder is greater than 0.9:1. When the binder is blended with rutile TiO2 at a solids loading of 50 weight percent and coated to a dried film thickness of 0.00254 cm, the coating exhibits a Y-value of at least 85.5.

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https://pdfpiw.uspto.gov/.piw?Docid=072445060

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edited on 21 May, 2023