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

Patent Owner(s)

Patent Owner	Address
LURGI ZIMMER GMBH	60295 FRANKFURT AM MAIN

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Otto, Brigitta	Milow, DE	12	136
Seidel, Eckhard	Frankfurt, DE	26	114

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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	Mar 30, 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
September 30, 2014	US,8846561,B2   US8846561B2	GRANTED PATENT AS SECOND PUBLICATION
December 17, 2009	US,20090312508,A1   US20090312508A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8846561

Catalyst for the production of polyester, use of the catalyst for the production of polyester, and polyester obtained by the use of the catalyst

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