Antifouling agent, method for antifouling treatment, and article obtained through antifouling treatment
CA 2294521 A1 · Owner: Nof Corporation · Inventors: Saito, Shun; Osuka, Akihiro; Nakane, Yoshinori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An antifouling agent which comprises (A) 0.05 to 30 wt.% nonvolatile resinous ingredient, (B) 0.05 to 30 wt.% at least one nonvolatile oxide ingredient in sol form selected among silicon oxide sols aluminum oxide sols, antimony , oxide sols zirconium oxide sols, tin oxide sols, and titanium oxide sols (C) , 1 to 50 wt.% organic solvent, and (D) 40 to 99 wt.% water wherein the resin , of ingredient (A) has a solubility parameter of 10 or higher and is insoluble in water at 25 ~C; a method for antifouling treatment which comprises using the antifouling agent; and an article obtained by the antifouling treatment. The antifouling agent can be applied to a base without the need of an …
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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 April 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2021.
- 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.