Antistatic composition and method of using same
CA 2402819 A1 · Owner: Petro-Canada · Inventors: Curts, Lawrence E.; Mcdermid, Earl C.; Sapiano, Henry J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An antistatic composition for treating a substrate such as paper for use in a photocopier or the like, in rolls, or bundles in which sheets of the substrate are individually fed from a bundle of sheets of the substrate comprises a , single phase hydrocarbon oil composition. The hydrocarbon oil may optionally include additional antistatic additives. The composition reduces static between the individual sheets in the bundle thus reducing paper misfeeds and , jams when individual sheets in the bundle are fed into the photocopier. Also disclosed is a method of treating a substrate for use in a photocopier in which sheets of the substrate are individually fed from a bundle of sheets of …
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
- Filed December 21, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 21, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2022.
- 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.