Category Archives: CVMR Patents

Canadian Patent Application No.:  CA  2525466 Abstracts A process and apparatus for the production of a deposited metallic nickel product from an inactivated, pre-activated metallic nickel source, the process including treating the nickel source with hydrogen at a nickel activation temperature selected from 150-350°C, preferably, 150°C to effect re-activation of the nickel source; treating the re-activated nickel with carbonylation carbon monoxide to produce a gaseous mixture containing nickel carbonyl and carbon monoxide; collecting the … Continue reading →

Canadian Patent Application No.:  CA 2525869 Abstracts Process and apparatus for measuring the concentration of nickel carbonyl in a gaseous nickel carbonyl sample comprising (a) mixing the nickel carbonyl sample with ozone and carbon monoxide under dynamic flow to produce a gaseous mixture with resultant chemiluminescence and photon emission signal; (b) detecting the strength of the signal; and (c) correlating the signal strength with calibrated nickel carbonyl concentration values; the improvement including premixing the ozone … Continue reading →

Canadian Patent Application No.:  CA 2500077 Abstracts A method of preparing ultra fine metal powder comprising pyrolizing a complex metal compound of the metal is in a valence state selected from 0 and 1, in an inert solvent at an effective temperature to produce the ultra fine powder, and removing the powder from the inert solvent.  

Canadian Patent Application No.:  CA 2552292 Abstracts A process for the production of a purified PGM selected from the group consisting of platinum and rhodium from an impure PGM source, the process comprising (a) obtaining an anhydrous PGM halide from the impure PGM source; (b) treating the PGM halide with carbon monoxide at an effective temperature; pressure and time to form the PGM carbonyl halide; and (c)(i) wherein the PGM is platinum, heating the … Continue reading →

Canadian Patent Application No.:  CA 2722707 Abstracts There is provided a process of treating a metalliferrous material including at least one metal material fraction. Each one of the at least one metal material fraction includes a respective metal, wherein the respective metal is a transition metal. Each one of the at least one metal material fraction also includes a respective first operative material fraction and a respective second operative material fraction. The respective first … Continue reading →