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

Patent Owner(s)

Patent Owner	Address
CARBO CERAMICS INC	5050 WESTWAY PARK BLVD SUITE 150 HOUSTON TX 77041

International Classification(s)

• C05G:MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DI....
• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
• C05D:INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C....
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CANOVA, Steve	Macon, US	22	245
HOGAN, Keith	Dublin, US	5	399
OSBY, David	Houston, US	2	0

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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 15, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 15, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 15, 2036

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: 2024/0270,662

CORE-SHELL COMPOSITE PARTICLES AND METHODS OF MAKING SAME

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