Douglas M. Barr

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Hudson, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Compounds and a method of lubricating an internal combustion engine
- Patent number 8,835,368
- Issue date Sep 16, 2014
- The Lubrizol Corporation
- Jody A. Kocsis
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nitrogen-containing dispersant as an ashless TBN booster for lubric...
- Patent number 7,749,948
- Issue date Jul 6, 2010
- The Lubrizol Corporation
- Ewa Bardasz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Dispersants from Condensed Polyamines
- Publication number 20090018040
- Publication date Jan 15, 2009
- The Lubrizol Corporation
- Renee A. Eveland
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Nitrogen-containing Dispersant as an Ashless TBN Booster for Lubric...
- Publication number 20070203031
- Publication date Aug 30, 2007
- Ewa Bardasz
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...