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

Patent Owner(s)

Patent Owner	Address
DUPONT US HOLDING LLC	974 CENTRE ROAD WILMINGTON DE 19805

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....
• C12Q:MEASURING OR TESTING PROCESSES INVOLVING ENZYMES O....
• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Picataggio, Stephen K	Landenberg, US	41	1229
Yadav, Narendra S	Chadds Ford, US	84	2549
Zhu, Quinn Qun	West Chester, US	136	1544

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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
June 30, 2009	US,7553628,B2   US7553628B2	GRANTED PATENT AS SECOND PUBLICATION
September 06, 2007	US,20070207528,A1   US20070207528A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7553628

Production of polyunsaturated fatty acids in oleaginous yeasts

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