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

Patent Owner(s)

Patent Owner	Address
WACKER-CHEMIE GMBH	HANNS-SEIDEL-PLATZ 4 D-81737 MUNICH

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
• B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
• C30B:SINGLE-CRYSTAL GROWTH

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Crössmann, Ivo	Burghausen, DE	8	9
Schreieder, Franz	Tann, DE	5	128
Weidhaus, Dieter	Burghausen, DE	6	148

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 04, 2010	US,7708828,B2   US7708828B2	GRANTED PATENT AS SECOND PUBLICATION
June 23, 2005	US,20050135986,A1   US20050135986A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7708828

Dust-free and pore-free, high-purity granulated polysilicon

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