B. Frank Gupton

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Virginia Beach, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Conversion of pyridine-2,3-dicarboxylic acid esters to cyclic anhyd...
- Patent number 5,208,342
- Issue date May 4, 1993
- Hoechst Celanese Corporation
- B. Franklin Gupton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing pyridine carboxylic acid esters
- Patent number 5,047,542
- Issue date Sep 10, 1991
- Hoechst Celanese Corporation
- B. Franklin Gupton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of sodium diethyl oxalacetate
- Patent number 4,902,819
- Issue date Feb 20, 1990
- Hoechst Celanese Corporation
- B. Franklin Gupton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing pyridine carboxylic acid esters
- Patent number 4,871,859
- Issue date Oct 3, 1989
- Hoechst Celanese Corporation
- B. Franklin Gupton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 2,6-diisopropylnaphthalene dihydroper...
- Patent number 4,503,262
- Issue date Mar 5, 1985
- Virginia Chemicals, Inc.
- B. Franklin Gupton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Byproduct recovery from a pentaerythritol waste stream
- Patent number 4,277,620
- Issue date Jul 7, 1981
- Virginia Chemicals Inc.
- B. Frank Gupton
- C07 - ORGANIC CHEMISTRY