Activated carbon fibers and yarns
CA 1266262 C · Owner: American Cyanamid Company · Inventors: Stevens, Ward Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
29,865, IMPROVED ACTIVATED CARBON FIBERS AND YARNS ABSTRACT, An activated carbon material coated with a polymeric fluorocarbon is disclosed. The coated activated carbon material comprises an activated carbon material treated with an aqueous dispersion of polymeric fluorocarbon resin particles. A process for producing an abrasion resistant activated carbon material is also disclosed. The process comprises immersing or dipping an activated carbon material in, or spraying an activated carbon material with an aqueous dispersion of polymeric fluorocarbon resin particles, and then drying the material. Additionally disclosed is an activated carbon yarn comprising a plurality of carbon containing …
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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 February 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 27, 2007.
- 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.