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:
Apr. 03, 2012
Filed:
Feb. 19, 2008
William V. Fenn, Wheaton, IL (US);
Richard A. Elsner, Jr., Darien, IL (US);
Lei Zhao, Naperville, IL (US);
William V. Fenn, Wheaton, IL (US);
Richard A. Elsner, Jr., Darien, IL (US);
Lei Zhao, Naperville, IL (US);
Other;
Abstract
The present invention relates to novel compositions uniquely comprising combinations of different grades and/or type of epoxy resins and phosphoric acid into stable, water dispersion, epoxy phosphate ester copolymers. Aqueous thermosetting coating compositions, based on the novel epoxy phosphate ester resins, have the ability to reduce the requirements of curing temperature and time. The resultant coating films have superior protective properties, film properties, and wider applications than the conventional epoxy phosphate ester resins.