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US20090124155 PROCESS FOR PRODUCING SHEATH-CORE STAPLE FIBERS WITH A THREE-DIMENSIONAL CRIMP AND A CORRESPONDING SHEATH-CORE STAPLE FIBER  
The invention relates to a process for producing sheath-core staple fibers with a three-dimensional crimp and to a sheath-core staple fiber of this type. In this case, the fiber is extruded with a...
US20090047857 STAPLE FIBERS AND PROCESSES FOR MAKING SAME  
Improved staple fibers and processes for producing them are provided. The processes are particularly useful for forming staple fibers from poly(trimethylene terephthalate), especially carpet...
Matches 1 - 2 out of 2