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:
Jul. 07, 1992
Filed:
Dec. 04, 1990
Allan Johnston, Palo Alto, CA (US);
Dean Mason, Kirkland, CA;
Darren F Lawless, Montreal, CA;
Terrence E Peel, Hudson Heights, CA;
Domtar Inc., Montreal, CA;
Abstract
The corrosion inhibiting systems comprise at least one of the following: sodium fluorophosphate, and a water soluble salt of phosphonic acid derivatives having the general formula R.sub.n R.sub.1 N(CH.sub.2 PO.sub.3 H.sub.2).sub.2-n wherein R.sub.n and R.sub.1 are each independently selected from a member selected from the group consisting of alkyl, aminoalkyl and N-hydroxyalkyl and n is an integer selected from 1 and 0. The methods comprise laying on a surface a system as defined above. The invention also discloses deicers, paints and other corrosion inhibitors in numerous carriers. Products containing at least residual amounts of a system as defined above are also disclosed.