# US 5,705,681 A · Diquaternary compounds useful as bleach activators

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- Number: US 5,705,681 A
- Document ID: US5705681A
- Status: Granted
- Kind: A
- Application number: 08/393,064
- Filed: 1995-02-23
- Granted: 1998-01-06
- Earliest claimed: 1994-02-07
- Assignees: Witco Corporation
- Inventors: Philip H. Steiger; Shaun F. Clancy; Owen Portwood
- Web page: https://patentgrep.com/patent/US5705681A

## CPC

- C11D 3/3927: {Quarternary ammonium compounds}
- C07C 219/06: having the hydroxy groups esterified by carboxylic acids having the esterifying carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms of an acyclic saturated carbon skeleton
- D06L 4/15: using organic agents
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS
- D06L: DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS

## Abstract

Diquaternary ammonium esters useful as bleach activators are disclosed as are bleach compositions comprising such an ester and peroxygen compound yield peroxide in solution.

## Claims

### Claim 1

A water-soluble compound of the formula (1), (2), or (3) ##STR2## wherein A.sup.1, A.sup.2, A.sup.3, A.sup.4, A.sup.5 and A.sup.6 are the same or different and each represents alkyl or alkoxyalkyl containing up to 6 carbon atoms, or one of A.sup.1 and A.sup.4 is benzyl, provided that in formula (1), one of A.sup.1 and A.sup.4 is --(CH.sub.2).sub.1-4 CO.sub.2.sup.- or --(CH.sub.2).sub.1-4 SO.sub.3.sup.- ; in formula (2), two of A.sup.1, A.sup.2, A.sup.4 and A.sup.5 are selected from the group consisting of --(CH.sub.2).sub.1-4 CO.sub.2.sup.- and --(CH.sub.2).sub.1-4 SO.sub.3.sup.- ; and in formula (3) three or four of A.sup.1, A.sup.2, A.sup.3, A.sup.4, A.sup.5 and A.sup.6 are selected from the group consisting of --(CH.sub.2).sub.1-4 CO.sub.2.sup.- and --(CH.sub.2).sub.1-4 SO.sub.3.sup.- ;
X.sup.-1 is an anion;
M.sup.+1 is a cation;
a is 1 to 4;
b is 1 to 4;
c is 0 to 4;
x is 1 or 2 and is selected so that the compound of formula (1) is ionically neutral; and
m is 1 or 2 and is selected so that the compound of formula (3) is ionically neutral.

### Claim 2 (depends on 1)

A compound according to claim 1 wherein X.sup.-1 is an anion selected from the group consisting of chloride, bromide, iodide, methylsulfate, methylcarbonate, ethylsulfate and hydroxide.

### Claim 3 (depends on 1)

A compound according to claim 1 wherein M.sup.+1 is selected from the group consisting of sodium, potassium and ammonium.

### Claim 4 (depends on 1)

A compound according to claim 1 wherein A.sup.1, A.sup.2, A.sup.3, A.sup.4, A.sup.5 and A.sup.6 are the same or different and each is straight or branched alkyl containing 1 to 6 carbon atoms.

### Claim 5 (depends on 4)

A compound according to claim 4 wherein A.sup.1, A.sup.2, A.sup.3, A.sup.4, A.sup.5 and A.sup.6 are identical to each other.

### Claim 6 (depends on 1)

A compound according to claim 1 wherein a is 1.

### Claim 7 (depends on 1)

A compound according to claim 1 wherein b is 1.

### Claim 8 (depends on 1)

A compound according to claim 1 wherein c is 0-1.

### Claim 9 (depends on 1)

A compound according to claim 1 wherein X.sup.-1 is methylsulfate or chloride.

### Claim 10 (depends on 1)

A compound according to claim 1 wherein A.sup.1, A.sup.2, A.sup.3, A.sup.4, A.sup.5 and A.sup.6 are identical to each other and are alkyl containing 1 to 6 carbon atoms, a is 1, b is 1, and c is 0-4.

### Claim 11 (depends on 10)

A compound according to claim 10 wherein X.sup.-1 is methylsulfate or chloride.