| SILVER BOND COVIA SPECIALTY MLNERALS INC.
74287838 24 Jun 1992 | on 05 Aug 2023
| ground silica for use as an extender and filler for paint, abrasives, ... Class 001 Class 001 Chemical Products ground silica for use as an extender and filler for paint, abrasives, compounds, rubber and plastic | | | IMSIL COVIA SPECIALTY MLNERALS INC.
72205589 05 Nov 1964 | on 10 Sep 2015
| AMORPHOUS SILICA Class 001 Class 001 Chemical Products AMORPHOUS SILICA | | | MINBLOC COVIA SPECIALTY MLNERALS INC.
74392942 21 May 1993 | on 23 Feb 2015
| mineral antiblocking additives; namely, nepheline syenite to be used i... Class 001 Class 001 Chemical Products mineral antiblocking additives; namely, nepheline syenite to be used in the thermoplastics industry in connection with the manufacture of polyethylene, polypropylene, vinyls and other thermoplastics | |