Back to results
US 5,512,188 AGranted
Grease composition for constant velocity joint comprising boron nitride powder and zinc dithiophosphate
AssigneeNippon Oil Co., Ltd.
InventorsHirotugu Kinoshita, Souichi Nomura, Masaru Mishima
Life of this patent
Estimating the term…
Abstract
A grease composition for a constant velocity joint involves a base oil containing a thickener and boron nitride powders and optionally an organozinc compound.
Claims19
A grease composition for a constant velocity joint comprising a base oil containing 2 to 25 wt. % of thickener, 0.5 to 20 wt. % of boron nitride powders, and 0.1 to 10 wt. % zinc dithiophosphate wherein said wt. percentages are based on total weight of the composition.
Dependencies are inferred from the claim text.