| prov:value
| - form polyethylene terephthalate and polymerizing by melt phase polycondensation adding surface-modified- talc and calcium carbonateUS6716904Jun 13, 2002Apr 6, 2004Polymatech Co., Ltd.Used in electronic products, such as information, imaging, and mobile communication equipmentsUS6727306Jun 21, 2002Apr 27, 2004Wellman, Inc.Polymer resins having reduced frictional propertiesUS6773800Feb 13, 2002Aug
|