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

Patent Owner(s)

Patent Owner	Address
HONG KONG POLYTECHNIC UNIVERSITY THE	HUNG HOM KOWLOON HONG KONG KOWLOON
HONG KONG PRODUCTIVITY COUNCIL	HKPC BUILDING 78 TAT CHEE AVENUE KOWLOON

International Classification(s)

• C25C:PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVER....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lee, Chi-yung	Kowloon, HK	2	8
Man, Hau-chung	Kowloon, HK	3	10
Ng, Wing-yan	Kowloon, HK	2	8
Siu, Cho-lung	Kowloon, HK	2	8
Tsui, Rick Y C	Kowloon, HK	2	8
Yeung, Chi-hung	Kowloon, HK	2	8
Yeung, Kinny L K	Kowloon, HK	2	12

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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
March 04, 2003	US,6528185,B2   US6528185B2	GRANTED PATENT AS SECOND PUBLICATION
October 31, 2002	US,20020160222,A1   US20020160222A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6528185

Cobalt-tungsten-phosphorus alloy diffusion barrier coatings, methods for their preparation, and their use in plated articles

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