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Thomas J. Walter
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Baton Rouge, LA, US
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last 30 patents
Information
Patent Grant
Fire resistant laminar cushioning material
Patent number
4,948,648
Issue date
Aug 14, 1990
Ethyl Corporation
Billie B. Dadgar
B32 - LAYERED PRODUCTS
Information
Patent Grant
2-Nitro-4-(4-pyridinyl) benzoic acids and derivatives
Patent number
4,552,966
Issue date
Nov 12, 1985
Ethyl Corporation
Paul F. Ranken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing antibacterial compounds
Patent number
4,533,735
Issue date
Aug 6, 1985
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
4-(4-Pyridinyl)isatoic anhydride
Patent number
4,524,203
Issue date
Jun 18, 1985
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-Alkyl-4-(4-pyridinyl)isatoic anhydrides
Patent number
4,515,945
Issue date
May 7, 1985
Ethyl Corporation
Paul F. Ranken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
4-(3- and 4-Chlorocyclohex-3-enyl)pyridine intermediates
Patent number
4,490,535
Issue date
Dec 25, 1984
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of cyclic-keto-acids
Patent number
4,473,706
Issue date
Sep 25, 1984
Ethyl Corporation
John Y. Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted pyridines and their preparation
Patent number
4,405,792
Issue date
Sep 20, 1983
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen-containing ashless dispersants and lubricating oil composi...
Patent number
4,401,581
Issue date
Aug 30, 1983
Edwin Cooper and Company Limited
Aubrey L. Burrows
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the purification of dialkylphosphorochloridothioates
Patent number
4,247,490
Issue date
Jan 27, 1981
Ethyl Corporation
Charles R. Bergeron
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of alcohol
Patent number
4,188,499
Issue date
Feb 12, 1980
Ethyl Corporation
Thomas J. Walter
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for recovering CMOS
Patent number
4,188,493
Issue date
Feb 12, 1980
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing aniline compounds
Patent number
4,186,147
Issue date
Jan 29, 1980
Ethyl Corporation
Thomas J. Walter
Information
Patent Grant
Process for the preparation of 2-benzimidazole carbamates
Patent number
4,152,522
Issue date
May 1, 1979
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for precipitation of carboxyalkoxy succinate tetrahydrate salt
Patent number
4,137,260
Issue date
Jan 30, 1979
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chemical process
Patent number
4,058,560
Issue date
Nov 15, 1977
Ethyl Corporation
Thomas J. Walter
C07 - ORGANIC CHEMISTRY