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

Patent Owner(s)

Patent Owner	Address
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION	201 GILLIS BUILDING LEXINGTON KY 40506-0033

International Classification(s)

• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Duvallet, Tristana	Lexington, US	7	1
Rathbone, Robert	San Antonio, US	3	1
Robl, Thomas	Sadieville, US	7	1
Zhou, Yongmin	Nanjing, CN	1	1

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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	Sep 24, 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
March 24, 2015	US,8986444,B2   US8986444B2	GRANTED PATENT AS SECOND PUBLICATION
October 23, 2014	US,20140311386,A1   US20140311386A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8986444

Hybrid cement clinker and cement made from that clinker

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