Treated polyacetylene
CA 1164126 A · Owner: Rohm And Haas Company · Inventors: Myers, Robert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for reducing doped polyacetylene crosslinking and embrittlement comprises treating the polyacetylene with a material selected from the class consisting of (a) hindered phenols; (b) alkyl ethers of hydroquinone, wherein the alkyl group has from 1 to about 12 carbon atoms; and (c) dialkyl thiodipropionates wherein each of said alkyl groups has from 1 to about 18 carbon atoms and each alkyl group may be the same or different. A doped polyacetylene composition exhibiting enhanced resistance to polyacetylene crosslinking and embrittlement contains a doped polyacetylene and a material as defined, above, associated with said doped polyacetylene.
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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 20, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2001.
- 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.