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Process for producing polyamide that is stable during processing |
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Process for continuously preparing copolyamides from lactams and salts of diamines and dicarboxylic acids |
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Continuous method for multi-staged drying and subsequent condensation of a polyamide granulate |
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| 7276573 |
Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers |
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Method for producing polytetrahydrofuran |
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