Methods, compositions and uses relating thereto
AssigneeInnospec Limited
InventorsNicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
Life of this patent
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Abstract
A method of combatting colour loss from a dyed material, the method comprising the steps of: (1) contacting the material with a composition comprising an electrophilic species selected from aldehydes, succinimidyl esters, and mixtures thereof; (2) contacting the material with a composition comprising a chelating agent and/or a salt of an amine and/or a carboxylic acid.
Claims29
A method of combatting colour loss from a dyed material, the method comprising the steps of:
- (1) contacting the material with a composition comprising an electrophilic species selected from the group consisting of aldehydes, succinimidyl esters, and mixtures thereof;
- (2) contacting the material with a composition comprising a chelating agent and/or a salt of an amine and/or a carboxylic acid.
A method of colouring haft, the method comprising:
- (a) contacting the hair with a colouring composition;
- and
- (b) contacting the haft with:
- (1) a composition comprising an electrophilic species selected from the group cons of aldehydes, succinimidyl esters, and mixtures thereof;
- and
- (2) a composition comprising a chelating agent and/or a salt of an amine and a carboxylic acid.
(canceled)
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-30. (canceled)
Dependencies are inferred from the claim text.