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

Patent Owner(s)

Patent Owner	Address
STORA ENSO OYJ	P O BOX 309 HELSINKI 00101

International Classification(s)

• D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
• D21D:TREATMENT OF THE MATERIALS BEFORE PASSING TO THE P....
• D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Axrup, Lars	Hammaro, SE	17	371
Heiskanen, Isto	Imatra, FI	141	831
Kastinen, Henri	Imatra, FI	6	34
Korhonen, Jani	Imatra, FI	3	6
Pollanen, Saija	Imatra, FI	1	1
Suhonen, Petri	Imatra, FI	2	33
Tiainen, Teemu	Imatra, FI	1	1
Vakevainen, Matti	Imatra, FI	4	39

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 23, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 23, 2030

Fee	Large entity fee	small entity fee	micro entity fee
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: 2018/0237,990

METHOD AND APPARATUS FOR PRODUCING MICROFIBRILLATED CELLULOSE FIBER

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