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. 25, 2006
Filed:
Apr. 19, 2002
Michael Dewayne Kelly, North Wales, PA (US);
Thomas Glenn Madle, Flourtown, PA (US);
Paul Ralph Van Rheenen, Warminster, PA (US);
Michael DeWayne Kelly, North Wales, PA (US);
Thomas Glenn Madle, Flourtown, PA (US);
Paul Ralph Van Rheenen, Warminster, PA (US);
Rohm and Haas Company, Marlborough, MA (US);
Abstract
A coating composition including a polyaniline particle and a binder is provided. The polyaniline particle contains a core polymer particle with strong acid groups and an attached polyaniline polymer, and has a particle diameter in a select range. Coatings prepared from the coating composition may be employed to provide corrosion resistance to metal substrates. A process for preparing the polyaniline particle and an article including a coating prepared from the coating composition are also provided.