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

Patent Owner(s)

Patent Owner	Address
DAIHACHI CHEMICAL INDUSTRY CO LTD	OSAKA JAPAN

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....
• C07D:HETEROCYCLIC COMPOUNDS
• D06M:TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kyoda, Makoto	Aichi, JP	2	3
Masui, Yuki	Aichi, JP	8	20

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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	Mar 16, 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
September 16, 2014	US,8835541,B2   US8835541B2	GRANTED PATENT AS SECOND PUBLICATION
September 10, 2009	US,20090227713,A1   US20090227713A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8835541

Phosphorus compounds, use thereof and flame retarding polyester fibers

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