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

Patent Owner(s)

Patent Owner	Address
LATTICE INTELLECTUAL PROPERTY LTD	LONDON LONDON LONDON

International Classification(s)

• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chowdhury, Geta	Ottawa, CA	1	4
Deng, Shengzhi	Ottawa, CA	1	4
Laverty, Brendan William	West Bridgford, GB	1	4
Matsuura, Takeshi	Ottawa, CA	24	181
Vujosevic, Ranka	Ottawa, CA	1	4
Yao, Boping	Toronto, CA	2	5

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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

Full Text

US Patent No: 6419725

Process of forming a permeable gas separation material

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