Sulfonated asphalt

United States of America Patent

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Apr 30, 1985
Grant Date
N/A
app pub date
Jul 29, 1983
filing date
Jul 29, 1983

priority date (Note)
Expired

status (Latency Note)

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Abstract

Sulfonated asphalt/hydrogenated conjugated diene-monovinyl aromatic copolymer compositions, preparations thereof, and use in well working fluid compositions.

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Patent Owner(s)

Patent Owner	Address
DRILLING SPECIALTIES COMPANY A CORP OF DE	309 SHORT ST BARTLESVILLE OK 74004

International Classification(s)

C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Clampitt, Richard L	both c/o Phillips Petroleum Company, Bartlesville, OK 74004	4	116
Russell, Jeffrey A	both c/o Phillips Petroleum Company, Bartlesville, OK 74004	8	126

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Sulfonated asphalt

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06518703

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PATENT NO	4514308
SERIAL NO	06518703
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06518703

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