Process for manufacturing a masterbatch for injection...

Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Agitating to form larger particles

Reexamination Certificate

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C264S128000, C264S332000

Reexamination Certificate

active

07998381

ABSTRACT:
The invention relates to a method for preparing a feedstock for injection moulding or for extrusion, consisting of inorganic powders combined with an organic, particularly polymeric binder. This method is characterized in that the constituent particles of the inorganic powders are subjected to a granulation step, prior to their mixing with the polymeric binder.

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patent: 2006-096802 (2006-04-01), None
patent: 98/18973 (1998-05-01), None
L. Liu et al., “Mixing and Characterization of 316L Stainless Steel Feedstock for Micro Powder Injection Molding,” Materials Characterizations, Elsevier, New York, NY, vol. 54, No. 3, Mar. 2005, pp. 230-238.
Jicheng Zhou, et al., “Extrusion Moulding of Hard-Metal Powder Using a Novel Binder System,” Journal of Materials Processing Technology, vol. 137, 2003, pp. 21-24.

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