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Home › Cellulose gypsum based substrate with increased water resistance and strength by surface application of polymeric diphenylmethane diisocyanate

Cellulose gypsum based substrate with increased water resistance and strength by surface application of polymeric diphenylmethane diisocyanate

US Patent 7309516 · Granted Dec 18, 2007

Estimated economic value: $19,681,000 ⓘ

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