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Home › Thermosetting poly(thio)urethane formulation comprising at least one block copolymer and use thereof in optics for the production of organic lenses having improved toughness

Thermosetting poly(thio)urethane formulation comprising at least one block copolymer and use thereof in optics for the production of organic lenses having improved toughness

US Patent 8299176 · Granted Oct 30, 2012

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