Curable compositions
CA 2346357 A1 · Owner: Kaneka Corporation · Inventors: Hasegawa, Nobuhiro; Nakagawa, Yoshiki; Fujita, Masayuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Attempts have been made to reduce the tackiness of the surface of a cured article containing a vinyl polymer having crosslinkable silyl as the curing component, to facilitate the application of an alkyd coating to the cured article, and to obtain a flexible cured article by using a curable composition having a low viscosity. Curable compositions which contain: (A) a vinyl polymer having at least one, on average crosslinkable functional group , (crosslinkable silyl etc.); (B) a photo-curable substance; (C) an airoxidation curable substance; (D) a polymer plasticizer; (E) a reactive plasticizer which is a vinyl polymer having one or less on average, crosslinkable silyl group; or (F) a …
Read the whole patent
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 October 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 8, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 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.