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

Patent Owner(s)

Patent Owner	Address
COVESTRO DEUTSCHLAND AG	LEVERKUSEN GERMANY LEVERKUSEN NORTH RHINE-WESTPHALIA

International Classification(s)

• B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
• B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bierdel, Michael	Leverkusen, DE	29	120
Conzen, Carsten	Leverkusen, DE	10	33
Koenig, Thomas	Leverkusen, DE	36	119
Kohlgrueber, Klemens	Kuerten, DE	4	12
Liesenfelder, Ulrich	Bergisch-Gladbach, DE	38	144
Rechner, Johann	Kempen, DE	63	497
Rudolf, Reiner	Leverkusen, DE	25	204

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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	May 17, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 17, 2032

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 17, 2020	US,10836076,B2   US10836076B2	GRANTED PATENT AS SECOND PUBLICATION
February 28, 2019	US,20190061200,A1   US20190061200A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2019/0061,200

PROCESS FOR EXTRUDING PLASTIC COMPOSITIONS

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