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Linda G. Schmitt
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Wausau, WI, US
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Non-toxic, stable lignosulfonate-urea-formaldehyde composition and...
Patent number
5,075,402
Issue date
Dec 24, 1991
Ligno Tech. U.S.A.
Linda G. Schmitt
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES