Pigment and process for making the same

Claim 1

IN THE METHOD OF MAKING A CONDENSED, PARTICULATE, SOLID PRODUCT COMPRISING A SILICON MONOXIDE BY REACTING A SILICON CONTAINING MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICA, SAND, QUARTZ AND MINERAL SILICATES AT ELEVATED TEMPERATURES TO PRODUCE SILICON MONOXIDE GAS AND THEN CONDENSING SAID SILICON MONOXIDE GAS, THE STEP COMPRISING MIXING UNDER SUBSTANTIALLY NONTURBULENT CONDITION SAID SILICON MONOXIDE GAS WITH A CONDENSING GAS INERT TO SAID SILICON MONOXIDE GAS AND CONTAINING FROM ABOUT 0.5 TO 9% BY COLUME OF SAID CONDENSING GAS OF A TREATING GAS SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND AN AMINE TO CONDENSE SAID SILICON MONOXIDE GAS TO FROM A PRODUCT COMPRISING A CONDENSED, PARTICULATE, SOLID NITROGEN CONTAINING SILICON MONOXIDEM (SI)X(SIO2)Y(N)Z WHERE X AND Y ARE WHOLE NUMBERSS AND WHERE Z IS A NUMBER SUCH THAT THE PROPORTION OF NITROGEN IS FROM ABOUT 1 TO 8% BY WEIGHT OF SAID SOLID NITROGEN CONAINING SILICON MONOXIDE AS DETERMINED BY KJELGAHL ANALYSIS, AND CONTAINING A SUBSTANTIAL AMOUNT OF FIBERS.