US 12,392,083 B2
Dyed substrate comprising poly(lactic acid) fibres
Tina Magdalena Rita Brueckner, Maastricht (NL); Johan Albert Frans Kunst, Maastricht (NL); Ernst-Jan Siewers, Alkmaar (NL); and Narjes Shojai Kaveh, Maastricht (NL)
Assigned to ARAPAHA B.V., Maastricht (NL)
Appl. No. 18/716,976
Filed by ARAPAHA B.V., Maastricht (NL)
PCT Filed Nov. 30, 2022, PCT No. PCT/EP2022/083898
§ 371(c)(1), (2) Date Jun. 6, 2024,
PCT Pub. No. WO2023/104610, PCT Pub. Date Jun. 15, 2023.
Claims priority of application No. 21212766 (EP), filed on Dec. 7, 2021.
Prior Publication US 2025/0043506 A1, Feb. 6, 2025
Int. Cl. D06P 3/00 (2006.01); D02G 3/02 (2006.01); D06P 1/16 (2006.01); D06P 1/94 (2006.01); D06P 3/54 (2006.01)
CPC D06P 3/54 (2013.01) [D02G 3/02 (2013.01); D06P 1/16 (2013.01); D06P 1/94 (2013.01); D10B 2331/041 (2013.01); D10B 2401/063 (2013.01); D10B 2401/20 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A dyed substrate comprising at least 70 wt. % of dyed PLA-fibres having a poly(lactic) acid content of at least 70 wt. %, the dyed substrate having a total poly(lactic) acid content of at least 70 wt. %, wherein the dyed PLA-fibres are dyed with one or more disperse dyes and wherein the dyed substrate has the following CIELAB colour:

OG Complex Work Unit Math