Structurally ordered articles, fabrication method and applications of the same
CA 2343306 A1 · Owner: Fan, Bunsen · Inventors: Fan, Bunsen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A structure and apparatus is described which utilizes the intrinsic selfassembling or aligning process of liquid crystal (LC) molecules to form an ordered structure, such as a structure having nematic or cholesteric ordering. The invention includes subtracting a constituent from a structure that includes a liquid crystal to form a 'mold' or polymer , matrix on a molecular level. By adding and/or subtracting materials to or from the mold, a liquid crystal-like structure may be obtained. This structure includes all or at least some non-LC material while exhibiting some LC characteristic. The liquid crystal-like structure overcomes the drawbacks of LCs such as temperature sensitivity and …
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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 August 12, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 12, 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.