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US 2012/0122742 A1Published application
Lubricant stick formulations
OwnerMichael J. Mitrovichinventor
Life of this patent
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Abstract
A solid lubricant formulation useful for lubricating the flanges of locomotive wheels, railcar wheels, rail tracks and in applications where it is desirable to reduce friction when metal contacts metal. The solid lubricant formulation including at least one non-polylactic acid-based polymeric carrier, at least one polylactic acid-based polymer, and at least one lubricant powder.
Claims20
A solid lubricant composition comprising at least one polylactic acid-based polymer and at least one lubricant powder, said composition further comprising:
- (a) from about 5% to about 55% by volume of at least one non-polylactic acid-based polymeric carrier;
- (b) about 10% to about 15% by volume of said polylactic acid-based polymer;
- (c) from about 5% to about 75% by volume of said at least one lubricant powder;
- (d) from 0% to about 20% by volume of at least one synthetic extreme pressure anti-wear liquid oil;
- and
- (e) from 0% to about 1% by volume of at least one optical brightener.
3 more elements
A solid lubricant composition comprising:
- (a) from about 20% to about 70% by volume of polyactide;
- (b) from about 5% to about 75% by volume of at least one lubricant powder;
- (c) from 0% to about 20% by volume of at least one synthetic extreme pressure anti-wear liquid oil;
- and
- (d) from 0% to about 1% by volume of at least one optical brightener.
2 more elements
A solid lubricant composition comprising:
- (a) from about 25% to about 70% by volume of at least one polymeric carrier, wherein at least a portion of said at least one polymeric carrier is selected from the group consisting of polylactic acid-based polymers and/or complex carbohydrates;
- (b) from about 5% to about 75% by volume of at least one lubricant powder;
- (c) from 0% to about 20% by volume of at least one synthetic extreme pressure anti-wear liquid oil;
- and
- (d) from 0% to about 1% by volume of an optical brightener.
2 more elements
Dependencies are inferred from the claim text.