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:
May. 21, 2019
Filed:
Apr. 11, 2016
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Mark R. Jaworowski, Glastonbury, CT (US);
Blair A. Smith, South Windsor, CT (US);
Georgios S. Zafiris, Glastonbury, CT (US);
Weilong Zhang, Glastonbury, CT (US);
Michael A. Kryzman, West Hartford, CT (US);
Treese Hugener-Campbell, Coventry, CT (US);
Bart Antonie van Hassel, Weatogue, CT (US);
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Abstract
A method for making an environmentally-safe chromium based corrosion resistant coating includes pre-treating a metal substrate, immersing the metal substrate in a trivalent chromium bath which does not contain hexavalent chromium, post-treating the coated metal substrate with an oxidizer, and curing the coated metal substrate in a controlled environment.