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US 11,000,461 B2Granted
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 contacting the material with a composition comprising an alpha-substituted aldehyde.
Claims21
A method of inhibiting or preventing solvent-mediated leaching of dye from a dyed material, the method comprising contacting the material with a composition comprising an alpha-substituted aldehyde of formula (II):
- wherein X is selected from the group consisting of OH, O(CH2)nA, Cl, Br, and F wherein n is from 1-6;
- A is H or OH;
- and R is an unsubstituted alkyl or alkenyl group having 1-30 carbon atoms.
Dependencies are inferred from the claim text.