Lubricious crystalline bron nitride and process for producing same

Claim 1

THE PROCESS FOR PRODUCING LUBRICIOUS CRYSTALLINE BORON NITRIDE PLATELETS HAVING AN AVERAGE MAXIMUM DIMENSION RANGING FROM ABOUT 20 TO 40 MICRONS, SAID PROCESS COMPRISING THE STEPS OF; HEATING IN A SEALED CONTAINER AND IN AN ATMOSPHERE OF NITROGEN, A BORON NITRIDE STARTLING MATERIAL AND A LIQUID SELECTED FROM THE GROUP CONSISTING OF INORGANIC OXIDES AND SALTS WHICH ARE INERT TO THE BORON NITRIDE STARTING MATERIAL, TO A TEMPERATURE ABOVE 1000*C., THEREAFTER RAISING THE TEMPERATURE SUFFICIENTLY TO VOLATILIZE SAID INORGANIC LIQUID, REMOVING SAID VOLATILIZED INORGANIC LIQUID, COOLING SAID CONTAINER AND ITS CONTENTS AND REMOVING THE BORON NITRIDE MATERIAL SO OBTAINED, THE ABOVE STEPS BEING CARRIED OUT WITH THE BORON NITRIDE STARTING MATERIAL AND THE INORGANIC LIQUID IN CONTACT WITH A PERFOROMED BORON NITRIDE SEED, SAID SEED BEING PRESENT IN AN AMOUNT RANGING FROM 2% TO 5% BY WEIGHT OF THE BORON NITRIDE STARTING MATERIAL AND HAVING BEEN FORMED BY REVEILING A BORON NITRIDE STARTING MATERIAL THROUGH THE ABOVE PROCESS AT LEAST 5 TIMES IN THE ABSENCE OF A PERFORMED SEED.