Multiple hazard protection articles and methods for making them
CA 2498312 C · Owner: Meridian Research And Development · Inventors: Kucherovsky, Joseph; Demeo, Ronald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Articles, including fabrics and film layers are disclosed which can protect , against multiple hazards including radiation, chemical, biological agents metal projectiles and fire hazards. In some embodiments the fabrics and films , of the present invention are used to produce garments having protection against multiple hazards and superior heat dissipating properties. A radiation protective compound is preferably created by mixing a radiopaque material such as barium, bismuth, tungsten or their compounds with powdered polymer, pelletized polymer or a liquid solution emulsion or suspension of a polymer , in solvent or water. The liquefied polymeric films (626 636) from the two , extruders …
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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
- Filed September 5, 2003 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 5, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 5, 2025.
- 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.