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Patent applications and USPTO patent grants for Coleman; Lester Earl.The latest application filed is for "additive concentrates and lubricating compositions containing these concentrates".
Patent | Date |
---|---|
Additive concentrates and lubricating compositions containing these concentrates Grant 3,994,815 - Coleman November 30, 1 | 1976-11-30 |
Water-soluble hydroxyalkylated and alkoxyalkylated compositions and the like derived from N-3-oxohydrocarbon-substituted acrylamides, and polymers thereof Grant 3,959,224 - Coleman May 25, 1 | 1976-05-25 |
Nitrogen-containing ester and lubricant containing the same Grant 3,933,761 - Coleman January 20, 1 | 1976-01-20 |
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