David J. DeGonia

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Granite City, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Ashless dispersants formed from substituted acylating agents and th...
- Patent number 5,241,003
- Issue date Aug 31, 1993
- Ethyl Petroleum Additives, Inc.
- David J. DeGonia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted acylating agents and their production
- Patent number 5,137,978
- Issue date Aug 11, 1992
- Ethyl Petroleum Additives, Inc.
- David J. DeGonia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ashless dispersants formed from substituted acylating agents and th...
- Patent number 5,137,980
- Issue date Aug 11, 1992
- Ethyl Petroleum Additives, Inc.
- David J. DeGonia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted acylating agents and their production
- Patent number 5,071,919
- Issue date Dec 10, 1991
- Ethyl Petroleum Additives, Inc.
- David J. DeGonia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oil soluble sulfurized olefins and two temperature zone process for...
- Patent number 4,966,720
- Issue date Oct 30, 1990
- Ethyl Petroleum Additives, Inc.
- David J. DeGonia
- C07 - ORGANIC CHEMISTRY