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:
Nov. 19, 2013
Filed:
Jun. 10, 2008
Edward A. Rodzewich, Flourtown, PA (US);
Jeffrey I. Melzer, Lansdale, PA (US);
Philip D. Deck, Glenside, PA (US);
Donald W. Whisenhunt, Jr., Niskayuna, NY (US);
William S. Carey, Wallingford, PA (US);
David B. Engel, Clifton Park, NY (US);
Bret Chisholm, Clifton Park, NY (US);
Christopher M. Carter, Schenectady, NY (US);
Edward A. Rodzewich, Flourtown, PA (US);
Jeffrey I. Melzer, Lansdale, PA (US);
Philip D. Deck, Glenside, PA (US);
Donald W. Whisenhunt, Jr., Niskayuna, NY (US);
William S. Carey, Wallingford, PA (US);
David B. Engel, Clifton Park, NY (US);
Bret Chisholm, Clifton Park, NY (US);
Christopher M. Carter, Schenectady, NY (US);
Other;
Abstract
Chromate-free and metal phosphate free treatments and compositions for applying a conversion or passivation coating for metals, more particularly, steel, zinc coated steel, and aluminum surfaces. The methods of the invention comprise contacting the requisite metal surface with a treatment composition comprising a member or members comprising one or more Group IV B elements, fluoride, and phosphonic acid or phosphonate. Optionally, a silane may be added as a treatment component.