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US-2024325291-A1 · Oct 3, 2024 · US
Method of treating hair
US2016303013A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016303013-A1 |
| Application number | US-201415036445-A |
| Country | US |
| Kind code | A1 |
| Filing date | Nov 19, 2014 |
| Priority date | Nov 21, 2013 |
| Publication date | Oct 20, 2016 |
| Grant date | — |
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Abstract
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A method of styling hair by applying from 3 to 15 g di-or tri-carboxylic acid.
First claim
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1 . A method of styling hair by applying from 3 to 15 g di- or tri-carboxylic acid wherein the method comprises applying an aqueous solution or suspension of the di- or tri- carboxylic acid to the hair and in which the acid is left on the hair for at least 10 minutes and less than 90 minutes. 2 . A method according to claim 1 in which the acid is left on the hair for at least 15 minutes and less than 90 minutes. 3 . A method according to claim 1 or 2 in which the acid is present in an aqueous solution to aqueous suspension. 4 . A method according to any preceding claim which is conducted at room temperature. 5 . A method according to any preceding claim wherein the acid is applied to dry hair. 6 . A method according to any preceding claim wherein styling constitutes straightening, providing body or retaining curl. 7 . A method according to claim 3 wherein the pH of the solution or suspension is from 1.0 to 3.0. 8 . A method according to any preceding claim wherein the acid forms part of a hair treatment composition which comprises a mono-or di-alkyl quaternium salt. 9 . A method for styling hair comprising: i) applying to hair an aqueous solution or suspension comprising from 3 to 15 g di- or tri-carboxylic acid and having a pH of from 1 to 3; ii) leaving the product on the hair for from 5 to 90 minutes; iii) rinsing the product from the hair; and styling. 10 . A method for durably styling the hair by following a method according to any preceding claim.
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Frequently asked questions
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- What does patent US2016303013A1 cover?
- A method of styling hair by applying from 3 to 15 g di-or tri-carboxylic acid.
- Who is the assignee on this patent?
- Conopco Inc Dba Unilever, Conopco Inc Dba Unilever
- What technology area does this patent fall under?
- Primary CPC classification A61K8/365. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Thu Oct 20 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).