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.

Date of Patent:
Dec. 19, 2000

Filed:

Nov. 02, 1998
Applicant:
Inventors:

William P Trumble, Kanata, CA;

Patrick T Lawless, Kanata, CA;

Assignee:

Nortel Networks Limited, Montreal, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427435 ; 4274198 ; 4274432 ;
Abstract

Improvements in MolyPhos corrosion resistant coatings for zinc plated surfaces and zinc alloy surfaces are presented, which enhances corrosion protection in marine environments, and other corrosive atmospheres. In particular a cerium fluoride stabilized MolyPhos coating, and organic acid stabilized coatings are provided, which improve resistance to standard salt fog test exposures to at least 300 hrs, thus extending applicability of a conventional MolyPhos coating to applications to telecommunications, electronics, automotive and aviation equipment. MolyPhos coatings offer promise as an environmentally friendly alternative to conventional chromate corrosion coatings.


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