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

Patent Owner(s)

Patent Owner	Address
NUKEM GMBH RODENBACHER CHAUSSEE 6 D-6450 HANAU 11 GERMANY A CORP OF GERMANY	Not Provided

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
Hezel, Rudolf	Spardorf, DE	9	450
Hoffmann, Winfried	Hanau, DE	3	256
Schum, Berthold	Biebergemund, DE	13	87

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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: 4891325

Method for re-using silicon base material of a metal insulator semiconductor (mis) inversion-layer solar cell

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