Dewatering method

United States of America Patent

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Jan 19, 1993
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N/A
app pub date
Jun 10, 1991
filing date
Jun 10, 1991

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Expired

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Abstract

A method to improve dewatering of filter cakes in a filtration process. The method involves introducing a surfactant as a vapor or mist into a flow of steam and treating the filter cake with this gaseous mixture.

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Patent Owner(s)

Patent Owner	Address
HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF ENERGY MINES AND RESOURCES	555 BOOTH STREET OTTAWA ONTARIO K1A 0G1

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Inventor Name	Address	# of filed Patents	Total Citations
Sirois, Louis L	2 Rurual Route, Woodlawn, Ontario K0A 3M0, CA	2	9
Stefanski, Marek J	72 Glencair Ave., Ottawa, Ontario K1S 1M6, CA	1	0
Stefanski, Maria	72 Glencair Ave., Ottawa, Ontario K1S 1M6, CA	1	0

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Dewatering method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07712547

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PATENT NO	5180505
SERIAL NO	07712547
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07712547

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