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

Patent Owner(s)

Patent Owner	Address
CHEVRON PHILLIPS CHEMICAL COMPANY LP	P O BOX 4910 THE WOODLANDS TX 77387-4910

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cheung, Tin-Tack Peter	Kingwood, US	57	563
# of filed Patents : 57 Total Citations : 563
Johnson, Marvin M	Bartlesville, US	210	5629
# of filed Patents : 210 Total Citations : 5629
Tiedtke, Darin B	Kingwood, US	10	69
# of filed Patents : 10 Total Citations : 69

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 11, 2025

Fee	Large entity fee	small entity fee	micro entity fee
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 11, 2014	US,8648225,B2   US8648225B2	GRANTED PATENT AS SECOND PUBLICATION
October 13, 2011	US,20110251447,A1   US20110251447A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8648225

Process for hydrogenating highly unsaturated hydrocarbons and catalyst therefor

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