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

Patent Owner(s)

Patent Owner	Address
POLIGRAT GMBH	81829 MÜNCHEN

International Classification(s)

• C22B:PRODUCTION OR REFINING OF METALS
• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Boehme, Olaf	Erding, DE	7	2
Piesslinger-Schweiger, Siegfried	Vaterstetten, DE	18	48
Reising, Bastian	Alzenau-Wasserlos, DE	1	0

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Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 2, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 2, 2029

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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: 2017/0314,140

Method for the Wet Chemical Polishing of Molded Zinc Parts

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