US 11,993,869 B2
Leather fiber for spun yarn
Ji Eon Kim, Seoul (KR); and Bong Jin Choi, Gwangju-si (KR)
Assigned to ATKO PLANNING INC., Paju-si (KR)
Appl. No. 17/279,144
Filed by ATKO PLANNING INC., Paju-si (KR)
PCT Filed Jan. 5, 2021, PCT No. PCT/KR2021/000084
§ 371(c)(1), (2) Date Mar. 24, 2021,
PCT Pub. No. WO2021/145599, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 10-2020-0004118 (KR), filed on Jan. 13, 2020; and application No. 10-2020-0187508 (KR), filed on Dec. 30, 2020.
Prior Publication US 2023/0193523 A1, Jun. 22, 2023
Int. Cl. D02G 3/10 (2006.01); C14B 7/00 (2006.01)
CPC D02G 3/10 (2013.01) [C14B 7/00 (2013.01); D10B 2211/06 (2013.01)] 9 Claims
OG exemplary drawing
 
1. Yarn having leather fibers, characterized in that leather fibers forming the yarn are obtained from cowhide, and an amount of the leather fibers having an H value of 30 or more is 30% by weight or more of a total leather fibers contained in the yarn, the H value being defined by the following Equation 2:
H=L/D where L: leather fiber length, and D: leather fiber thickness.  [Equation 2]