Joseph L. Kostusyk

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Euclid, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Methylene linked aromatic pour point depressant
- Patent number 4,880,553
- Issue date Nov 14, 1989
- The Lubrizol Corporation
- Joseph L. Kostusyk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mannich reaction product as asphalt antistripping agent
- Patent number 4,789,402
- Issue date Dec 6, 1988
- The Lubrizol Corporation
- Joseph L. Kostusyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methylene linked aromatic pour point depressant
- Patent number 4,753,745
- Issue date Jun 28, 1988
- The Lubrizol Corporation
- Joseph L. Kostusyk
- C07 - ORGANIC CHEMISTRY