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

Patent Owner(s)

Patent Owner	Address
EVONIK TREIBACHER GMBH	9330 ALTHOFEN

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hessberger, Waldemar	Alzenau, DE	4	7
Jakob, Harald	Hasselroth, DE	56	294
Kaiser, Lothar	Rheinfelden, DE	7	31
Lattich, Juergen	Nidderau, DE	5	39
Overdick, Ralph	Hofheim, DE	9	41

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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
September 13, 2005	US,6942845,B2   US6942845B2	GRANTED PATENT AS SECOND PUBLICATION
September 12, 2002	US,20020127168,A1   US20020127168A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6942845

Process for improving the internal stability of sodium percarbonate

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