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

Patent Owner(s)

Patent Owner	Address
KERR-MCGEE PIGMENTS GMBH & CO KG	GERMAN CLAY FIELD KREFELD NORTH RHINE-WESTPHALIA

International Classification(s)

• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Butje, Kai	Duisburg, DE	12	327
Kischkewitz, Jurgen	Ratingen, DE	22	269
Lailach, Gunter	Krefeld, DE	29	129
Linde, Gunter	Krefeld, DE	24	237
Schittenhelm, Hans-Joachim	Koln, DE	10	58

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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 No: 5837635

Process for producing mixed oxide powders from deactivated denox catalysts

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