US Patent 8222190 - Graphene-modified lubricant

http://www.freepatentsonline.com/8222190.html

This latest patent from Nanotek Instruments teaches an improved lubricant based on graphene. Claim 1 reads:

1. A lubricant composition having improved lubricant properties, comprising:

(a) a lubricating fluid; and

(b) nano graphene platelets dispersed in said fluid,

wherein said nano graphene platelets have a proportion of 0.001% to 75% by weight based on the total weight of the fluid and the graphene platelets combined.