Use of graft polymers in fabric cleaning

• US 20040171513A1
• Filed: 01/20/2004
• Published: 09/02/2004
• Est. Priority Date: 07/20/2001
• Status: Active Grant

• Current Assignee: Henkel IP & Holding GmbH (Henkel AG & Co KGaA)
• Original Assignee: Unilever Home & Personal Care Usa Division Of Conopco, Inc.
• Inventors: Jones, Christopher Clarkson, Rogers, Susanne Henning, Royles, Brodyck James Lachlan, Blokzijl, Wilfried
• Granted Patent: US 7,153,821 B2
• Time in Patent Office: Days
• US Class Current: 510/475
• CPC Class Codes: C08F 251/00 Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
• CPC Class Codes: C08F 251/02 on to cellulose or derivatives thereof
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 2666/04 Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
• CPC Class Codes: C08L 51/02 grafted on to polysaccharides
• CPC Class Codes: C11D 3/222 Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
• CPC Class Codes: C11D 3/3788 Graft polymers

Abstract

A laundry cleaning composition comprises a graft polysaccharide polymer benefit agent capable of imparting a benefit such as soil release or fabric care, and at least one additional laundry cleaning ingredient.

Claims

1. A laundry cleaning composition comprising a graft polymer benefit agent and at least one additional laundry cleaning ingredient, the graft polymer benefit agent having the general formula

2. A composition according to claim 1 in which W represents a group —

O—

or —

NH—

.

3. A composition according to claim 1 or claim 2, in which q is I and L is a —

CH₂—

group.

4. A composition according to any one of the preceding claims, in which p and/or r is I and X and/or Y represents a group —

CH₂—

, —

CO—

, —

CO—

NH—

or —

NH—

CO—

.

5. A composition according to any one of the preceding claims, in which Z¹ is a group of formula VI as defined in claim 1 and R⁴ and R⁵ both represent a methyl group.

6. A composition according to any one of claims 1 to 4, in which Z¹ is a group of formula VII as defined in claim 1, w is 0 and R⁷ represents a hydrogen atom.

7. A composition according to any one of claims 1 to 5, in which W represents a group —

O—

or —

NH—

, p, q and r are 0 and Z¹ represents a group —

CO—

C(CH₃)₂—

.

8. A composition according to any one of claims 1 to 4, or 6 in which W represents a group —

O—

or —

NH—

, p and q are both 0, r is 1, Y represents a group —

CH₂—

or —

CO— and

Z¹ represents a 4-(methylene)phenyl group.

9. A composition according to any one of the preceding claims, in which the polysaccharide backbone is β

-linked, preferably β

-1,4-linked.

10. A composition according to any one of the preceding claims in which the polysaccharide backbone is selected from the group consisting of cellulose, cellulose derivatives (preferably cellulose sulphate, cellulose acetate, sulphoethyl cellulose, cyanoethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethylcellulose, hydroxyethylcellulose or hydroxypropylcellulose), xyloglucans (preferably those derived from Tamarind seed gum), glucomannans (preferably Konjac glucomannan), galactomannans (preferably Locust Bean gum, Guar gum and Xanthan gum), chitosan and chitosan salts.

11. A composition according to any one of the preceding claims, in which the graft polymer has the general formula