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

Patent Owner(s)

Patent Owner	Address
THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY	HONGKONG KOWLOON CLEAR WATER BAY CHINA HONG KONG HONG KONG

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
• B28B:SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG O....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chan, Ngar Wai	Hong Kong, HK	1	15
Lai, Wing Yan	Hong Kong, HK	1	15
Leung, Wai Kin	Hong Kong, HK	3	28
Sun, Wenqing	Shanghai, CN	2	15
Wong, Ling Wai	Hong Kong, HK	4	22
Yeung, King Lun	Hong Kong, HK	32	264

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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
April 20, 2010	US,7699819,B2   US7699819B2	GRANTED PATENT AS SECOND PUBLICATION
December 06, 2007	US,20070280878,A1   US20070280878A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7699819

Molecular sieve and zeolite microneedles and preparation thereof

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