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

Patent Owner(s)

Patent Owner	Address
CELANESE INTERNATIONAL CORPORATION	222 WEST LAS COLINAS BOULEVARD IRVING TX 75039

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• C07B:GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS TH....
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chapman, Josefina T	Houston, US	81	2038
Locke, Alexandra S	Salt Lake City, US	7	66
Nagaki, Dick	The Woodlands, US	32	110
Peterson, Craig T	Houston, US	1	4
Scates, Mark O	Houston, US	114	1958
Weiner, Heiko	Pasadena, US	142	1594

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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	Feb 12, 2026

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
August 12, 2014	US,8802585,B2   US8802585B2	GRANTED PATENT AS SECOND PUBLICATION
March 28, 2013	US,20130079553,A1   US20130079553A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8802585

Catalysts for producing acrylic acids and acrylates

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