Antifouling structure having effect of preventing attachment of aquatic organisms thereto
CA 2281464 A1 · Owner: Nanjyo, Masahiko · Inventors: Shimizu, Takao; Nanjyo, Masahiko; Nakanishi, Shingo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
structure comprises, as the major component a molded member of a, thermoplastic resin composition or a fibrous material which may be a fiber of the thermoplastic resin composition, a yarn coated with the thermoplastic resin, composition, a rope coated with the thermoplastic resin composition or a woven fabric coated with the thermoplastic resin composition. The thermoplastic resin composition contains an antifouling compound represented by the following formula (1):, (see formula 1) wherein Y represents hydrogen atom, an alkyl group an alkenyl group or an, aralkyl group, R represents hydrogen atom a halogen atom or an alkyl group, R' represents hydrogen atom a halogen atom or an alkyl …
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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 September 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 8, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 8, 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.