Polycyanoaryl thioether and preparation thereof
CA 1309550 C · Owner: Kondo, Yozo · Inventors: Kondo, Yozo; Asahi, Tetsuya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel, highly heat resistant polymer resin polycyanoaryl thioether, having the formula: where n is a number of not less than 3 is disclosed. A, process for preparing the novel polymer is also disclosed. The polymer may be advantageously employed particularly in the fields of manufacturing electronics instruments transportation vehicles and aircraft.
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
- Granted October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 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.