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

Patent Owner(s)

• EVONIK OPERATIONS GMBH

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
ANANTHACHAR, Sudhir	Hillsborough, US	11	27
BAURKOT, Nicholas	Easton, US	1	0
COOK, Michael	Nuneaton, GB	120	3620
FAZEL, Shafiq	Allentown, US	9	3
GOVINDAN, KARUNAKARAN Raghuraman	Macungie, US	1	0
LAL, Gauri Sankar	Whitehall, US	56	884

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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	Jul 30, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 30, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 30, 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: 2025/0034,321

COMPOSITIONS OF EPOXY CURING AGENT INCORPORATING NAPHTHOL AND NAPHTHOL DERIVATIVES

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