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

Patent Owner(s)

Patent Owner	Address
MERCK KGAA	FRANKFURTER STRASSE 250 DARMSTADT 64293

International Classification(s)

• C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
• C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
HAMPEL, Christof	Frankfurt Am Main, DE	9	65
PETRY, Ralf	Griesheim, DE	38	267
SCHMITT, Adeliene	Heidelberg, DE	4	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	Jun 8, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jun 8, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 8, 2034

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: 2022/0389,227

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