# US 5,707,956 A · Nonionic detergent mixtures based on specific mixed ethers

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- Number: US 5,707,956 A
- Document ID: US5707956A
- Status: Granted
- Kind: A
- Application number: 08/663,036
- Filed: 1996-06-10
- Granted: 1998-01-13
- Earliest claimed: 1993-12-10
- Assignees: Henkel Kommanditgesellschaft auf Aktien
- Inventors: Karl Schmid; Manfred Weuthen; Karin Koren; Detlev Stanislowski
- Web page: https://patentgrep.com/patent/US5707956A

## CPC

- B01D 19/0404: {characterised by the nature of the chemical substance}
- C11D 1/8255: {containing a combination of compounds differently alcoxylised or with differently alkylated chains}
- C11D 3/0026: {Low foaming or foam regulating compositions}
- C11D 1/72: Ethers of polyoxyalkylene glycols
- C11D 1/721: {End blocked ethers}
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

A nonionic detergent mixture containing a) an ether corresponding to formula (I): R.sup.1 O(CH.sub.2 CH.sub.2 O).sub.m R.sup.2 (I) in which R.sup.1 is an aliphatic linear alkyl or alkenyl radical containing 12 to 18 carbon atoms, R.sup.2 is an alkyl radical containing 1 to 4 carbon atoms or a benzyl radical and m is a number of 5 to 15, and b1) an ether selected from the group consisting of an ether corresponding to formula (II): ##STR1## in which R.sup.3 is an aliphatic, linear or branched alkyl radical containing 8 to 10 carbon atoms, R.sup.4 is an alkyl radical containing 1 to 4 carbon atoms or a benzyl radical, p is a number of 2 to 3 and q is a number of 8 to 15 and b2) an ether corresponding to formula (III): ##STR2## in which R.sup.5 is an aliphatic, linear alkyl radical containing 12 to 14 carbon atoms, R.sup.6 is an alkyl radical containing 1 to 4 carbon atoms or a benzyl radical, x is a number of 0.5 to 2 and y is a number of 5 to 10.

## Claims

### Claim 1

A nonionic detergent mixture comprising
a) an ether corresponding to formula (I):
R.sup.1 O(CH.sub.2 CH.sub.2 O).sub.m R.sup.2 (I)
in which R.sup.1 is an aliphatic linear alkyl or alkenyl radical containing 12 to 18 carbon atoms. R.sup.2 is an alkyl radical containing 1 to 4 carbon atoms or a benzyl radical and m is a number of 5 to 15, and b);
b1) an ether corresponding to formula (II): ##STR6## in which R.sup.3 is an aliphatic, linear or branched alkyl radical containing 8 to 10 carbon atoms, R.sup.4 is an alkyl radical containing 1 to 4 carbon atoms or a benzyl radical, p is a number of 2 to 3 and q Is a number of 8 to 15 and
b2) an ether corresponding to formula (III): ##STR7## in which R.sup.5 is an aliphatic, linear alkyl radical containing 12 to 14 carbon atoms, R.sup.6 is an alkyl radical containing 1 to 4 carbon atoms or a benzyl radical, x is a number of 0.5 to 2 and y is a number of 5 to 10, wherein component b1) and component b2) are present in a ratio by weight of 25:75 to 75:25.

### Claim 2 (depends on 1)

A nonionic detergent mixture as in claim 1 wherein component a) and component b) are present in a ratio by weight of 25:75 to 75:25.

### Claim 3 (depends on 1)

A nonionic detergent mixture as in claim 1 further containing an ether corresponding to formula (IV):
R.sup.7 O(CH.sub.2 CH.sub.2 O).sub.n R.sup.8 (IV)
in which R.sup.7 is an aliphatic branched alkyl radical containing 8 to 18 carbon atoms, R.sup.8 is an alkyl radical containing 1 to 4 carbon atoms or a benzyl radical and n is a number of 5 to 15.

### Claim 4 (depends on 1)

A nonionic detergent mixture as in claim 1 further containing a fatty alcohol polyglycol ether corresponding to formula (V):
R.sup.9 O(CH.sub.2 CH.sub.2).sub.z H (V)
in which R.sup.9 is an alkyl radical containing 12 to 14 carbon atoms and z is a number of 2 to 4.

### Claim 5 (depends on 1)

A nonionic detergent mixture as in claim 1 wherein component a) comprises a C.sub.12 -C.sub.18 cocofatty alcohol n-butyl ether containing 10 moles of ethylene oxide.

### Claim 6 (depends on 1)

A nonionic detergent mixture as in claim 1 wherein component b1) is selected from the group consisting of a C.sub.8 -C.sub.10 alkyl radical n-butyl ether containing 1.3 moles of propylene oxide and 9 moles of ethylene oxide; a C.sub.8 -C.sub.10 alkyl radical 2-ethylhexyl n-butyl ether containing 1.5 moles of propylene oxide and 10 moles of ethylene oxide; and a C.sub.8 -C.sub.10 alkyl radical Isodecyl tertiary butyl ether containing 1.3 moles of propylene oxide and 8 moles of ethylene oxide.

### Claim 7 (depends on 1)

A nonionic detergent mixture as in claim 1 wherein component b2) comprises a C.sub.12 -C.sub.14 alkyl radical n-butyl ether containing 1.3 moles of propylene oxide and 9 moles of ethylene oxide.