Fluorinated quinoline polymers and the corresponding fluorinated monomers
CA 2089092 C · Owner: Hendricks, Neil H. · Inventors: Hendricks, Neil H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The fluorinated quinoline polymers comprising repeating units of one or more quinoline groups wherein at least a portion of the repeating units include a group selected from hexafluoroisopropylidene (6F) and 1-aryl-2,2,2-trifluoroethylidene (3F) groups. The fluorinated quinoline polymers are a class of polymers that possess properties desired for many aerospace and electronic applications, including as dielectric layers in multichip modules (I) capacitors (2), radomes (3), fibers (4) films (5), ther-, mally stable laminating resins interlevel planarizers, low observable coatings in the microelectronic packaging applications com-, posite matrix resins, protective coatings potting …
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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 13, 1991 and granted June 10, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 13, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2013.
- 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
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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.