Pretreatment process for amorphous hydrated metal oxide primer for organic adhesively bonded joints
CA 1294860 C · Owner: Pike, Roscoe A. · Inventors: Pike, Roscoe A.; Lamm, Foster P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pretreatment Process for Amorphous Hydrated Metal Oxide Primer for, Organic Adhesively Bonded Joints A method of bonding articles together utilizing a short term corrosive pretreatment prior to application of an amorphous hydrated metal oxide primer and an adhesive resulting in a joint resistant to crack propagation. The method comprises bonding a plurality of articles together, at least one of which is metal. The surface of the metal article is exposed to a corrosive environment at a temperature less than about 50°C. Then a layer comprising MX(OR)y wherein x is 1 y is 3 or 4, M is any metal capable of forming a stable alkoxide and R is an organic radical is, applied to the pretreated …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.