Ted S. Hallen

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Placentia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Synthesis of hydroxy sulfonic acids
- Patent number 4,987,250
- Issue date Jan 22, 1991
- Union Oil Company of California
- Dennis E. McGee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of sulfonic acids and carboxylic acid ester derivatives t...
- Patent number 4,910,330
- Issue date Mar 20, 1990
- Union Oil Company of California
- Dennis E. McGee
- C07 - ORGANIC CHEMISTRY