Polysiloxane polymers exhibiting nonlinear optical response
CA 1297620 C · Owner: Celanese Corporation · Inventors: Stamatoff, James B.; Buckley, Alan; Yoon, Hyun-Nam
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides novel polysiloxane polymers which exhibit nonlinear optical response and which have, utility as a transparent optical component in electrooptic light modulator devices. An invention side chain liquid crystalline polysiloxane polymer is illustrated by the structure:,
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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
- 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.