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. 05, 2022
Filed:
Jun. 21, 2018
Applicant:
Bulk Chemicals, Inc., Reading, PA (US);
Inventor:
Richard J. Church, Myerstown, PA (US);
Assignee:
BULK CHEMICALS, INC., Reading, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/44 (2006.01); C23C 22/74 (2006.01); C23C 22/00 (2006.01); C23C 22/76 (2006.01);
U.S. Cl.
CPC ...
C23C 22/44 (2013.01); C23C 22/74 (2013.01); C23C 22/76 (2013.01);
Abstract
A chromium-free aqueous treatment solution for coating metal surfaces which meets corrosion resistance, electrical contact resistance, and paint adhesion requirements set forth in MIL-DTL-81706B, Class 3. The treatment solution contains a compound of a Group IV-B element, and a vanadium ion. The solution may be inorganic and molybdate-free.