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William J. Matlach
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St. Louis, MO, US
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last 30 patents
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Patent Grant
Particulate compositions used in petroleum systems comprising encap...
Patent number
4,659,334
Issue date
Apr 21, 1987
Petrolite Corporation
William J. Matlach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particulate compositions
Patent number
4,588,640
Issue date
May 13, 1986
Petrolite Corporation
William J. Matlach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of transporting viscous hydrocarbons
Patent number
4,570,656
Issue date
Feb 18, 1986
Petrolite Corporation
William J. Matlach
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS