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.

Date of Patent:
May. 12, 2026

Filed:

Jun. 26, 2020
Applicant:

Living Proof, Inc., Boston, MA (US);

Inventors:

Soo-Young Kang, Boston, MA (US);

Zhaoxia Ji, Boston, MA (US);

Dinara A. Villanueva, Boston, MA (US);

Nawodi Abeyrathna, Boston, MA (US);

Assignee:

Living Proof, Inc., Boston, MA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); A61K 8/34 (2006.01); A61K 8/36 (2006.01); A61K 8/365 (2006.01); A61K 8/44 (2006.01); A61K 8/49 (2006.01);
U.S. Cl.
CPC ...
A61K 8/4986 (2013.01); A61K 8/342 (2013.01); A61K 8/347 (2013.01); A61K 8/361 (2013.01); A61K 8/365 (2013.01); A61K 8/44 (2013.01); A61K 8/447 (2013.01); A61K 8/4913 (2013.01); A61K 8/492 (2013.01); A61K 8/498 (2013.01); A61Q 5/10 (2013.01); A61K 2800/43 (2013.01); A61K 2800/88 (2013.01);
Abstract

Disclosed are methods for coloring hair, comprising applying a mixture comprising one or more hair dyes and an additive as a pre-treatment, as a simultaneous treatment, as a post-treatment, or a combination thereof.


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