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US 2003/0171249 A1Published application
Laundry detergents and laundry treatment compositions comprising one or more dye-transfer-inhibiting dye fixatives
AssigneeClariant GmbH
InventorsFrank-Peter Lang, Helmut Berenbold, Michael Wessling
Life of this patent
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Abstract
The following dye-transfer-inhibiting dye fixatives are used in laundry detergents: Reaction products of a) polyamines with cyanamides and amidosulfuric acid or b) cyanamides with aldehydes and ammonium salts or c) amines with epichlorohydrin.
Claims7
A laundry detergent comprising dye-transfer-inhibiting dye fixatives, where these dye-transfer-inhibiting dye fixatives are obtained by reacting
- a) polyamines with cyanamides and amidosulfuric acid or
- b) cyanamides with aldehydes and ammonium salts or
- c) amines with epichlorohydrin.
Dependencies are inferred from the claim text.