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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
BECHTEL HYDROCARBON TECHNOLOGY SOLUTIONS INC	3000 POST OAK BLVD MAIL STOP 13 HOUSTON TX 77056

International Classification(s)

• F25J:LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GAS....
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Garbouchian, Berj	Houston, US	4	44
Golikeri, Sudhir	Richmond, US	7	17
Leung, Vincent	Houston, US	17	439
Yu, Jie	Katy, US	218	4360

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 22, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 22, 2028

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2017/0176,097

Systems and Methods for Recovering Desired Light Hydrocarbons from Refinery Waste Gas Using a Back-End Turboexpander

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