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

Patent Owner(s)

Patent Owner	Address
LIQUIDPOWER SPECIALTY PRODUCTS INC	2000 WEST SAM HOUSTON PARKWAY SOUTH 3RD FLOOR HOUSTON TX 77042

International Classification(s)

• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
• F17D:PIPE-LINE SYSTEMS; PIPE-LINES
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
BURDEN, Timothy L	Ponca City, US	34	182
DREHER,, JR Wayne R	Germantown, US	18	109
HARRIS, William F	Palm Harbor, US	44	329
JOHNSTON, Ray L	Ponca City, US	37	408
KLESSE, Wolfgang	Aschaffenburg, DE	32	369
MILLIGAN, Stuart N	Ponca City, US	41	284
SCHMITT, Gerold	Aschaffenburg, DE	24	118
SMITH, Kenneth W	Tonkawa, US	49	943
WEY, John	East Brunswick, US	4	11

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Feb 26, 2025
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 26, 2029
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 26, 2033

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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: 2021/0261,707

CORE-SHELL FLOW IMPROVER

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