Electrically conductive and electromagnetic radiation absorptive coating compositions and the like
CA 2478175 A1 · Owner: Unitech Corporation, Llc · Inventors: Legrande, Wayne B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating composition having outstanding electrically conductive and/or electromagnetic radiation absorptive properties is disclosed with a water soluble emulsion polymer binder. The binder is a blend of a first emulsion containing a conjugated diene as monomer or comonomer and a second emulsion , containing an acrylic polymer. An effective amount of electrically conductive particles is dispersed in the binder. The particles include a combination of graphite particles, and metal containing particles. A solvent effective amount of water is also present.
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 March 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2024.
- 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.