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

Patent Owner(s)

Patent Owner	Address
AMVAC CHEMICAL CORPORATION	4695 MACARTHUR COURT SUITE 1200 NEWPORT BEACH CA 92660

International Classification(s)

• A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
O'Neal, William B	Chapel Hill, US	22	166
Porpiglia, Peter J	Putnam Valley, US	6	10
Porter, Richard	Ankeny, US	14	144

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 30, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
December 30, 2014	US,8921270,B2   US8921270B2	GRANTED PATENT AS SECOND PUBLICATION
May 09, 2013	US,20130116123,A1   US20130116123A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8921270

Method for pre-emergent weed control using triazine-based herbicide

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