Antistatic and electrically conducting polymers and moulding materials
CA 1314548 C · Owner: Ciba-Geigy Ag · Inventors: Mayer, Carl W.; Hilti, Bruno; Finter, Jurgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antistatic and electrically conducting polymers and moulding materials Abstract, As a result of the action of electron acceptors for example chlorine, bromine and/or iodine on compositions containing a linear, branched or structurally crosslinked polymer and an unsubstituted or substituted tetrathionaphthalene, tetraselenonaphthalene tetratellurona-, phthalene, tetrathiotetracene tetraselenotetracene or tetratelluro-, tetracene electrical conductivity is imparted to the compositions through the formation of charge-transfer complexes. These compositions are suitable for the production of mouldings filaments, fibres, coatings and composite materials which have an antistatic finish or are …
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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 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2010.
- 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.