David R. Livingston

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Purification of methacrylamidopropyltrimethylammonium chloride
- Patent number 4,642,380
- Issue date Feb 10, 1987
- Texaco Inc.
- David R. Livingston
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of N-(3-dimethylaminopropyl)methacrylamide
- Patent number 4,565,889
- Issue date Jan 21, 1986
- Texaco Inc.
- David R. Livingston
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of N-substituted (meth)acrylamides from (meth)acrylates...
- Patent number 4,492,801
- Issue date Jan 8, 1985
- Texaco Inc.
- Edward E. McEntire
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for reducing acid impurity levels in N-(tertiaryaminoalkyl)...
- Patent number 4,251,461
- Issue date Feb 17, 1981
- Texaco Development Corporation
- David R. Livingston
- C07 - ORGANIC CHEMISTRY