US 11,534,378 B2Granted

Hair coloring compositions

AssigneeBEAUTY & BUSINESS S.p.A.

InventorsAntonio Consoli, Katiuscia Grevalcuore, Emanuela Facchetti

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Abstract

A hair-colouring composition comprising an estolide ester derived from ricinoleic acid and direct dyes.

Claims8

Dependent claims

A hair-colouring composition comprising an estolide ester derived from ricinoleic acid and direct dyes, said hair-colouring composition having a naturalness range of 96-99.95%.

Dependencies are inferred from the claim text.

Facts

Application: 16/787,618Filed 11 Feb 2020 · us provisional application
Priority: 19 Feb 2019
Published: US 2020/0261336 A120 Aug 2020
Granted: 27 Dec 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

A61K 8/375
Esters of carboxylic acids: the alcohol moiety containing more than one hydroxy group
A61Q 5/02
Preparations for care of the hair: preparations for cleaning the hair
A61K 8/85
Obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds: polyesters
A61Q 5/065
Preparations for styling the hair, e.g. by temporary shaping or colouring: preparations for temporary colouring the hair, e.g. direct dyes

Family

Application62/807,260Us provisional application · filed 19 Feb 2019
US 2020/0261336 A1Pre-grant publication · published 20 Aug 2020
US 11,534,378 B2This patent

From the US filing history. Foreign family members aren’t listed.

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