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

Patent Owner(s)

Patent Owner	Address
KYOWA CHEMICAL INDUSTRY CO LTD	305 YASHIMANISHIMACHI TAKAMATSU-SHI KAGAWA 761-0113

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
• C01F:COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUM....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Suzuki, Takafumi	Kagawa, JP	148	835
Tamagawa, Shinjiro	Kagawa, JP	2	0

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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	Feb 26, 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
August 26, 2014	US,8815206,B2   US8815206B2	GRANTED PATENT AS SECOND PUBLICATION
June 13, 2013	US,20130145965,A1   US20130145965A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8815206

Aluminum hydroxide gel particle and production method thereof

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