High severity visbreaking
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 27, 1988
Grant Date -
N/A
app pub date -
Dec 18, 1986
filing date -
Dec 18, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The severity of a visbreaking operation is increased by treating product to remove a heavier phase in an amount of less than 15 weight percent and provide a remaining product having a Shell Hot Filtration number of less than 0.25.
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