Process for recovery of hydrocarbon from tailings

United States of America Patent

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Mar 19, 2002
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N/A
app pub date
May 21, 1999
filing date
May 14, 1999

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Abstract

A process for recovery of hydrocarbon diluent from tailings produced in a bitumen froth treatment plant comprises introducing the tailings into a vacuum flash vessel maintained at a sufficiently low sub-atmospheric pressure to vaporize the major portion of the contained diluent and some water. The residual then pool near the bottom of the flash vessel. Steam is then introduced into the tailings pool for vaporizing residual diluent and some water.

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Patent Owner(s)

Patent Owner	Address
PETRO-CANADA	CALGARY ALBERTA T2P 3E3
IMPERIAL OIL RESOURCES	P O BOX 2480 STATION M 237-4TH AVENUE S W CALGARY ALBERTA T2P 3M9
MOCAL ENERGY LIMITED	C/O JAPAN CANADA OIL CO LTD 2-6 TORANOMON 1-CHOME MINATO-KU TOKYO 105
CANADIAN OCCIDENTAL PETROLEUM LTD	1500 635-8 AVE SOUTHWEST CALGARY ALBERTA T2P3Z
GULF CANADA RESOURCES LIMITED	CALGARY ALBERTA T2P 2H7
AEC OIL SANDS L P	#3900 421 - 7TH AVENUE SOUTHWEST CALGARY ALBERTA T2P 4K9
ATHABASCA OIL SANDS INVESTMENTS INC	1600 GULF CANADA SQUARE 401-9TH AVENUE S W CALGARY ALBERTA T2P 3C5
AEC OIL SANDS LIMITED PARTNERSHIP	3900 421-7TH AVENUE SOUTH WEST CALGARY ALBERTA T2P 4K9
CANADIAN OIL SANDS INVESTMENTS INC	150-9TH AVENUE S W P O BOX 2850 CALGARY ALBERTA T2P 3H9
MURPHY OIL COMPANY LIMITED	P O BOX 2721 CALGARY ALBERTA T2P 2M7

International Classification(s)

C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bara, Barry	Edmonton, CA	25	164
# of filed Patents : 25 Total Citations : 164
Brown, Wayne	Edmonton, CA	19	213
# of filed Patents : 19 Total Citations : 213
Denton, Rodney	Fayetteville, NC	1	38
# of filed Patents : 1 Total Citations : 38
Sarkar, Sukhamoy	Edmonton, CA	1	38
# of filed Patents : 1 Total Citations : 38

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Process for recovery of hydrocarbon from tailings

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09316002

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Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
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Date	Code	Event	Description
Apr 10, 2017	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Mar 10, 2017	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Mar 10, 2017
Mar 10, 2017	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Oct 21, 2016	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 10, 2012	FPAY	FEE PAYMENT	year of fee payment: 4
Mar 10, 2009	I	Issuance
Apr 12, 2007	P	Published
Nov 10, 2005	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DIMIG, STEVEN J.;JANSSEN, DAVID C.;ESSER, ERIK;REEL/FRAME:017143/0038 Owner name: STRATTEC SECURITY CORPORATION, WISCONSIN Effective Date: Nov 10, 2005
Oct 06, 2005	F	Filing
Oct 06, 2005	PD	Priority Date

PATENT NO	6358403
SERIAL NO	09316002
DOCKET NO

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09316002

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