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

Patent Owner(s)

• E. I. DU PONT DE NEMOURS AND COMPANY

International Classification(s)

• D02G:CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR T....
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bair, Thomas I	Wilmington, DE	11	255

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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: 5482773

Activated carbon-containing fibrids

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