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David Werner Daum
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Seabrook, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Removal of salts in the manufacture of phenolic compound
Patent number
6,965,056
Issue date
Nov 15, 2005
Shell Oil Company
Austin Dale Taggart, II
C07 - ORGANIC CHEMISTRY
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Patent Grant
Removal of salts in the manufacture of phenolic compound
Patent number
6,720,461
Issue date
Apr 13, 2004
Shell Oil Company
Austin Dale Taggart
C07 - ORGANIC CHEMISTRY
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Patent Grant
Removal of hydrogenation catalyst from polymer solutions by contact...
Patent number
5,104,972
Issue date
Apr 14, 1992
Shell Oil Company
Ajay M. Madgavkar
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Removal of hydrogenation catalyst from polymer solutions by contact...
Patent number
5,089,541
Issue date
Feb 18, 1992
Shell Oil Company
Ajay M. Madgavkar
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Removal of salts in the manufacture of phenolic compound
Publication number
20010000260
Publication date
Apr 12, 2001
Austin Dale Taggart
C07 - ORGANIC CHEMISTRY