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

Patent Owner(s)

Patent Owner	Address
LIGNOTECH (U S ) INC A CORP OF DE	100 HWY 51 SOUTH ROTHSCHILD WI 54474-1198

International Classification(s)

• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hollis, Jr John W	Schofield, WI	5	66
Schmitt, Linda G	Wausau, WI	1	16

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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: 5075402

Non-toxic, stable lignosulfonate-urea-formaldehyde composition and method of preparation thereof

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