Crosslinked polymer microparticles and coating composition containing the same
CA 1293579 C · Owner: Kashihara, Akio · Inventors: Miyazono, Tadafumi; Ishikura, Shinichi; Kashihara, Akio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel crosslinked polymer microparticles having a mean grain diameter of 0.01 to 1µ, whose polymer carries urea groups. The invention also provides a, coating composition containing said crosslinked polymer microparticles, which is excellent in application characteristics and storage stability and is capable of resulting a coating with excellent film properties.
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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 December 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 24, 2008.
- 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.