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Guojin ZHANG
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Westfield, NJ, US
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Patents Grants
last 30 patents
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Patent Grant
Systems, methods, and kits for altering the color of the hair
Patent number
11,654,122
Issue date
May 23, 2023
L'Oreal
Zhengzheng Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Methods and compositions for removing color from color-treated hair
Patent number
11,173,102
Issue date
Nov 16, 2021
L'Oreal
Guojin Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Methods and compositions for improving hair color fastness and reju...
Patent number
11,160,742
Issue date
Nov 2, 2021
L'Oreal
Guojin Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Methods of removing color from color-treated hair
Patent number
11,154,479
Issue date
Oct 26, 2021
L'Oreal
Guojin Zhang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS, METHODS, AND KITS FOR ALTERING THE COLOR OF THE HAIR
Publication number
20220323382
Publication date
Oct 13, 2022
L'Oreal
Zhengzheng LIAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHODS AND COMPOSITIONS FOR REMOVING COLOR FROM COLOR-TREATED HAIR
Publication number
20210369582
Publication date
Dec 2, 2021
L'Oreal
Guojin ZHANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITIONS AND METHODS FOR HAIR
Publication number
20210236398
Publication date
Aug 5, 2021
L'Oreal
Rachel FEREBEE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITIONS AND METHODS FOR HAIR
Publication number
20210236404
Publication date
Aug 5, 2021
L'Oreal
Rachel FEREBEE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITIONS AND METHODS FOR REMOVING SEMI-PERMANENT HAIR DYES
Publication number
20200345606
Publication date
Nov 5, 2020
L'Oreal
Guojin ZHANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHODS AND COMPOSITIONS FOR IMPROVING HAIR COLOR FASTNESS AND REJU...
Publication number
20200197283
Publication date
Jun 25, 2020
L'Oreal
Guojin ZHANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE