Barbara P. Leffel

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Huntsburg, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Viscosity modifiers in controlled release lubricant additive gels
- Patent number 7,833,955
- Issue date Nov 16, 2010
- The Lubrizol Corporation
- James D. Burrington
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Viscosity Modifiers in Controlled Release Lubricant Additive Gels
- Publication number 20080108531
- Publication date May 8, 2008
- The Lubrizol Corporation
- James D. Burrington
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...