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Diamond Shamrock Chemicals Company
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Painesville, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Drilling fluid dispersant
Patent number
4,814,389
Issue date
Mar 21, 1989
Diamond Shamrock Chemicals Company
Christopher M. Garvey
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of brown stock washing
Patent number
4,810,328
Issue date
Mar 7, 1989
Diamond Shamrock Chemicals Company
Richard E. Freis
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Magnetic recording media dispersants
Patent number
4,770,952
Issue date
Sep 13, 1988
Diamond Shamrock Chemicals Company
John G. Papalos
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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