公开(公告)号：US11173102B1

公开(公告)日：2021-11-16

申请号：US16888835

申请日：2020-05-31

Applicant: L'Oreal

Inventor： Guojin Zhang ,  Ronak Rughani

IPC: A61Q5/10 ,  A61K8/49 ,  A61K8/60 ,  A61K8/41

Abstract: The disclosure relates to compositions and methods for removing direct dyes from hair, the methods comprising contacting hair with a composition comprising (i) at least one organic salt selected from imidazolium-based compounds and/or ammonium-based compounds, and (ii) at least one surfactant. The compositions can further contain at least one co-surfactant and/or cyclic compound.

公开(公告)号：US11154479B1

公开(公告)日：2021-10-26

申请号：US16888821

申请日：2020-05-31

Applicant: L'Oreal

Inventor： Guojin Zhang ,  Ronak Rughani

IPC: A61Q5/10 ,  A61K8/49 ,  A61K8/60 ,  A61K8/41

Abstract: The disclosure relates to compositions and methods for removing direct dyes from hair, the methods comprising contacting hair with a composition comprising at least one organic salt selected from imidazolium-based compounds and/or ammonium-based compounds.

公开(公告)号：US11654122B2

公开(公告)日：2023-05-23

申请号：US17219868

申请日：2021-03-31

Applicant: L'Oreal

Inventor： Zhengzheng Liao ,  Martin Asare ,  Guojin Zhang ,  Sivaramakrishnan Muthukrishnan ,  Aakash Jagat Parekh ,  Yuri Lvov

IPC: A61Q5/10 ,  A61K31/14 ,  A61Q5/06

CPC classification number: A61K31/14 ,  A61Q5/065 ,  A61K2800/884

Abstract: The disclosure relates to systems for altering the color of the hair, comprising a pretreatment composition comprising at least one cationic surfactant and a dyeing composition comprising at least one microtube-dye composite. The disclosure also relates to methods of altering the color of the hair using the systems, as well as kits comprising the systems.

公开(公告)号：US11160742B2

公开(公告)日：2021-11-02

申请号：US16715079

申请日：2019-12-16

Applicant: L'Oreal

Inventor： Guojin Zhang ,  Ronak Rughani

IPC: A61Q5/10 ,  A61K8/49 ,  A61K8/46 ,  A61Q5/00

Abstract: Provided are methods of treating hair, the method comprising: contacting the hair with a mixture comprising: i. an ionic liquid comprising an imidazolium-based compound or ammonium-based compound, and ii. an anionic surfactant. In certain methods, the mixture further comprises a cationic direct dye.

公开(公告)号：US20220323382A1

公开(公告)日：2022-10-13

申请号：US17219868

申请日：2021-03-31

Applicant: L'Oreal

Inventor： Zhengzheng LIAO ,  Martin Asare ,  Guojin Zhang ,  Sivaramakrishnan Muthukrishnan ,  Aakash Jagat Parekh ,  Yuri Lvov

IPC: A61K31/14 ,  A61Q5/06

Abstract: The disclosure relates to systems for altering the color of the hair, comprising a pretreatment composition comprising at least one cationic surfactant and a dyeing composition comprising at least one microtube-dye composite. The disclosure also relates to methods of altering the color of the hair using the systems, as well as kits comprising the systems.