1
Chul B Park, Ghaus M Rizvi, Haiou Zhang: Plastic wood fiber foam structure and method of producing same. Chul Park, Ghaus M Rizvi, Haiou Zhang, Nancy E Hill, Hill & Schumacher, August 30, 2005: US06936200 (4 worldwide citation)

A process for producing plastic/wood fiber composite foamed structures includes the steps of pre-drying wood fiber filler; mixing it with plastic to form a mixture; feeding the mixture into an extruder; introducing and mixing a blowing agent; subject the mixture to high shear forces and extruding th ...


2
Park Chul B, Rizvi Ghaus M, Zhang Haiou: Structure de mousse en fibre de bois plastique et methode de production de cette derniere, Plastic wood fiber foam structure and method of producing same. Park Chul B, Rizvi Ghaus M, Zhang Haiou, Park Chul B, Zhang Haiou, Rizvi Ghaus M, Hill & Schumacher, May 10, 2011: CA2384968

A process for producing plastic/wood fiber composite foamed structures includes the steps of pre-drying wood fiber filler; mixing it with plastic to form a mixture; feeding the mixture into an extruder; introducing and mixing a blowing agent; subject the mixture to high shear forces and extruding th ...


3
Chul B Park, Ghaus M Rizvi, Haiou Zhang: Plastic wood fiber foam structure and method of producing same. Dowell & Dowell PC, November 7, 2002: US20020165289-A1

A process for producing plastic/wood fiber composite foamed structures includes the steps of pre-drying wood fiber filler; mixing it with plastic to form a mixture; feeding the mixture into an extruder; introducing and mixing a blowing agent; subject the mixture to high shear forces and extruding th ...