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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12392083 B1

PDFFull Text
Date of Patent:
Aug. 19, 2025

Filed:

Nov. 30, 2022

Dyed substrate comprising poly(lactic acid) fibres

Applicant:

Arapaha B.v., Maastricht, NL;

Inventors:

Tina Magdalena Rita Brueckner, Maastricht, NL;

Johan Albert Frans Kunst, Maastricht, NL;

Ernst-Jan Siewers, Alkmaar, NL;

Narjes Shojai Kaveh, Maastricht, NL;

Assignee:

ARAPAHA B.V., Maastricht, NL;

Attorney:

B.V. Nederlandsch Octrooibureau

Primary Examiner:

Eisa B Elhilo

Int. Cl.
CPC ...
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);
U.S. Cl.
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);
Abstract

Provided herein is a dyed substrate with 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. %. The dyed PLA-fibres are dyed with one or more disperse dyes, and the dyed substrate has the following CIELAB colour: 0≤L*≤25; −5≤a*≤5; and −5≤b*≤5. A method of preparing the dyed substrate is also provided.

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Brueckner, Tina Magdalena Rita. (2025). Dyed substrate comprising poly(lactic acid) fibres (U.S. Patent No. 12392083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12392083

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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