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Home › Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams

Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams

US Patent 5821275 · Granted Oct 13, 1998

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