Patent ID: 9708581
Date: 2017-07-18
CPC Classifications: B01D,C12M,C12N

Claim:
1. A filter for separating stem cells which comprises a material for separating stem cells which has a density K of 1.0×10 4 g/m 3 <K<1.0×10 6 g/m 3 and a fiber diameter of 5 um to 30 um, which is made of combination of fibers of two or more synthetic polymer species in combination, and having mesh openings which are substantial pores formed by crossing two or more different fibers, wherein a minor axis of each mesh opening is not shorter than 5 μm and a major axis thereof is not longer than 80 μm, and which has the form of a nonwoven fabric, wherein the combination of fibers of two or more synthetic polymer species is a combination of rayon and a polyolefin, and wherein the material for separating stem cells is packed in a container having a fluid inlet port and a fluid outlet port.