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:
Oct. 15, 2019
Filed:
Nov. 27, 2015
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Kam L. Lock, Orpington, GB;
Richard A. Woods, Wimbish-Saffron Walden, GB;
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
Coating compositions that include a binder formed from a polyester and a phosphorus acid are disclosed. The binder includes a polyester material formed as the reaction product of a polyacid, a polyol, and a phosphorous acid, wherein the polyester material has a number-average molecular weight (Mn) from about 1,000 Da to 25,000 Da and a polydispersity index (Mw/Mn) of from about 1 to 10. The polyester material is present in the binder composition in amounts of more than about 10 weight percent (wt %). The coating compositions are useful for coating food and/or beverage containers.