Process for removing residual monomers from polyoxymethylenes
Номер патента: MY138685A
Опубликовано: 31-07-2009
Автор(ы): Claudius Dr Schwittay, Jens Dr Asmann, Knut Dr Zoellner, Marko Dr Blinzler, Melanie Dr Urtel
Принадлежит: Basf Ag
Опубликовано: 31-07-2009
Автор(ы): Claudius Dr Schwittay, Jens Dr Asmann, Knut Dr Zoellner, Marko Dr Blinzler, Melanie Dr Urtel
Принадлежит: Basf Ag
Реферат: PROCESS FOR REMOVING UNCONVERTED RESIDUAL MONOMERS FROM POLYOXYMETHYLENES. WHEREIN A DEVOLATILIZATION STEP IS CARRIED OUT IN AN EXTRUDALE DEVOLATILIZER.
Process for the continuous production of biodegradable polyester polymer
Номер патента: US5484882A. Автор: Yasutoshi Kakizawa,Morio Takada. Владелец: Dainippon Ink and Chemicals Co Ltd. Дата публикации: 1996-01-16.