Laundry detergents and laundry treatment compositions comprising dye-transfer-inhibiting dye fixatives

• US 20020193280A1
• Filed: 02/28/2002
• Published: 12/19/2002
• Est. Priority Date: 03/03/2001
• Status: Active Grant

• Current Assignee: Clariant Produkte Deutschland GmbH (Clariant AG)
• Original Assignee: Clariant GmbH (Clariant AG)
• Inventors: Wessling, Michael, Lang, Frank-Peter, Berenbold, Helmut
• Granted Patent: US 7,091,167 B2
• Time in Patent Office: Days
• US Class Current: 510/499
• CPC Class Codes: C11D 3/0021 Dye-stain or dye-transfer inhibiting compositions
• CPC Class Codes: C11D 3/3723 Polyamines or polyalkyleneimines

Abstract

The following dye-transfer-inhibiting dye fixatives are used in laundry detergents which comprise nonionic surfactants:

Reaction products of

a) amines with epichlorohydrin or

b) cyanamide with amines and aldehydes.

Claims

1. A laundry detergent comprising dye-transfer-inhibiting dye fixatives, where these dye-transfer-inhibiting dye fixatives are obtained by reacting

a) amines with epichlorohydrin or

b) cyanamide with amines and formaldehyde.

2. The laundry detergent as claimed in claim 1, comprising nonionic surfactants.

3. The laundry detergent as claimed in claim 2, additionally comprising anionic surfactants, but no detergent builders.

4. The laundry detergent as claimed in claim 2, additionally comprising detergent builders, but no anionic surfactants.

5. The laundry detergent as claimed in claim 1, additionally comprising cationic surfactants.

6. The laundry detergent as claimed in claim 1, comprising dye transfer inhibitors.

7. The laundry detergent as claimed in claim 1, comprising soil release polymers.

8. The detergent as claimed in claim 1, comprising cellulases.

9. The laundry detergent as claimed in claim 1, comprising bleaches.