Patent ID: 9249365
Filing Date: 2016-02-02
CPC Classification: B02C,C08K,C10G,Y10T

Claim Text:
1. A method for grinding waxes for producing wax powders, said method comprising providing a wax as grinding material; providing at least one polyol as a grinding aid; grinding the wax and the at least one polyol in a jet mill until a wax powder is formed, said wax powder having a) an average particle size d50 of less than 10 μm, b) an average particle size d90 of less than 15 μm, or c) both, wherein the polyol is present during the grinding process at 0.01 to 5.0% by weight relative to the total amount of wax powder plus polyol and wherein the wax powder comprises greater than 97.5% by weight of wax and polyol exclusively.