Method of coating ceramic material and ceramic material produced thereby
CA 2102703 A1 · Owner: Mcnerney, James P. · Inventors: Geving, Lynn D.; Ormiston, Thomas J.; Mcnerney, James P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method for coating ceramic material, and more particularly the coating of ceramic material with silicone coatings having zirconate coupling agents therein or with a silane coating having a silicone coating applied thereon. Ceramic material is cleaned 26 with a suitable cleaning agent to remove undesired oils or other matter such as, particulates, is heated 28 to dry excess moisture from the surface of the material, and is coated 30 with a silicone coating, preferably having an effective amount of zirconate coupling agent therein 24 prior to the, coating being cured 34 at temperature of from about 400-F to about 525-F for a period of between about 20 …
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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
- Filed May 15, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.