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

Patent Owner(s)

Patent Owner	Address
BARRIER TECHNOLOGY LLC	1345 MONROE AVE NW SUITE 121C GRAND RAPIDS MI 49505

International Classification(s)

• D21F:PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER ....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
• D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Danver, Dale	Holland, MI	3	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
May 10, 2005	US,6890636,B2   US6890636B2	GRANTED PATENT AS SECOND PUBLICATION
September 12, 2002	US,20020127422,A1   US20020127422A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6890636

Thermally stable, non-woven, fibrous paper, derivatives thereof, and methods for manufacturing the same

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