Donald O. Hutchinson

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Baton Rouge, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing bisimide products
- Patent number 5,290,945
- Issue date Mar 1, 1994
- Ethyl Corporation
- Ranjit K. Roy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of hexabromocyclododecane particles
- Patent number 5,004,847
- Issue date Apr 2, 1991
- Ethyl Corporation
- Phillip R. Beaver
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing bisimide products
- Patent number 4,992,557
- Issue date Feb 12, 1991
- Ethyl Corporation
- Donald O. Hutchinson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing bisimides products
- Patent number 4,990,626
- Issue date Feb 5, 1991
- Ethyl Corporation
- Donald O. Hutchinson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aluminum process
- Patent number 3,954,443
- Issue date May 4, 1976
- Ethyl Corporation
- Marcelian F. Gautreaux
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...