# US 5,703,035 A · Highly concentrated aqueous fabric softners having improved storage stability

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 5,703,035 A
- Document ID: US5703035A
- Status: Granted
- Kind: A
- Application number: 08/730,959
- Filed: 1996-10-16
- Granted: 1997-12-30
- Earliest claimed: 1994-02-23
- Assignees: Witco Surfactants GmbH
- Inventors: Horst Birkhan; Michael Fender; Bernhard Irrgang; Christiane Loffert; Simone Schussler
- Web page: https://patentgrep.com/patent/US5703035A

## CPC

- D06M 13/463: derived from monoamines
- C11D 1/645: Mixtures of compounds all of which are cationic
- C11D 3/0015: {liquid}
- D06M 13/467: derived from polyamines
- C11D 1/528: {Carboxylic amides (R1-CO-NR2R3), where at least one of the chains R1, R2 or R3 is interrupted by a functional group, e.g. a -NH-, -NR-, -CO-, or -CON- group (ethers C11D1/526)}
- C11D 1/62: Quaternary ammonium compounds
- D06M 2200/50: Modified hand or grip properties; Softening compositions
- D06M: TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

The disclosed invention relates to aqueous fabric softeners containing A) 22-30% by weight of at least one compound of the general formula (1) ##STR1## B) 0-7% by weight of one or more amides of the general formula (2) ›R.sup.11 --C(O)NH--(CH.sub.2).sub.3 --N(CH.sub.3).sub.2 R.sup.12 !.sup.+ A.sup.- (2) C) 0.5-6% by weight of one or more compounds of the general formula (3) ##STR2## and electrolyte salts, perfume oils, short-chain alcohol and water.

## Claims

### Claim 1

An aqueous fabric softener comprising
A) 22-30% by weight of one or more compounds of the general formula (1) ##STR9## in which R is --H or --CH.sub.3, R.sup.8 is H or --CH.sub.3 and at least one R.sup.8 group is an acyl radical having 6-22 carbon atoms, which optionally contains multiple bonds, wherein the acyl radical is unsubstituted or substituted with --OH; R.sup.9 is --CH.sub.3 or a radical of the formula --CH.sup.2 --CH(R)--OH; R.sup.10 is H, --CH.sub.3, --C.sub.2 H.sub.5, or --C.sub.2 H.sub.4 --OH; y is 1 or 2 and x is 2; and A.sup.- is an organic or inorganic anion; and
B) 0-7% by weight of an amino amide of the general formula (2)
(R.sup.11 --C(O)NH--(CH.sub.2).sub.3 --N(CH.sub.3).sub.2 R.sup.12).sup.+ A.sup.- ( 2)
in which R.sup.11 is a hydrocarbon radical having 6-22 carbon atoms, which optionally contains multiple bonds, wherein the hydrocarbon radical is unsubstituted or substituted with --OH; R.sup.12 is one of the radicals --CH.sub.3, --C.sub.2 H.sub.5, or --C.sub.2 H.sub.4 --OH; and A.sup.- is an organic or inorganic anion; and
C) 0.5-3% by weight of a compound of the formula (3) ##STR10## in which AO in each occurrence is the radical --CH(CH.sub.3)--CH.sub.2 --O-- or the radical --CH.sub.2 --CH.sub.2 --O--; R.sub.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different from one another and each is a radical of the formula H--(O--CH(R)--CH.sub.2 --).sub.m --, in which R is H or a methyl or ethyl radical and each m is 1-10; R.sup.6 and R.sup.7 are identical or different from one another and each is H, --CH.sub.3, --C.sub.2 H.sub.5, or --C.sub.2 H.sub.4 OH; n is 1-30; and A.sup.- is an organic or inorganic anion; and
D) 0-1.5% by weight of an electrolyte salt; and
E) 0.5-1.5% by weight of a perfume oil; and
F) 2.0-7.0% by weight of one or more compounds selected from the group consisting of short-chain alcohols containing 1 to 8 carbon atoms and compounds of the general formula (4)
R.sup.13 O--(CH.sub.2).sub.c --O--(--(CH.sub.2).sub.d --O--).sub.e OR.sup.14 ( 4)
in which R.sup.13 and R.sup.14 independently of one another are H, CH.sub.3 -- or C.sub.2 H.sub.5 --; c and d are each 2-6; and e is 1-10; and
G) water to add up to 100% by weight.

### Claim 2 (depends on 1)

An aqueous fabric softener according to claim 1, comprising 24-29% by weight of one or more compounds of the general formula (1), in which R.sup.8 is a substituted or unsubstituted acyl radical having 8-18 carbon atoms and an iodine number of 20-50, which optionally contains multiple bonds.

### Claim 3 (depends on 1)

An aqueous fabric softener according to claim 1, comprising 24-29% by weight of one or more compounds of the general formula (1), in which R.sup.8 is the radical of palm fatty acid having an iodine number of 30-40.

### Claim 4 (depends on 1)

An aqueous fabric softener according to claim 1, characterized in that component C) consists of one or more compounds of the general formula (3) in which the sum of all m values is 4 to 30.

### Claim 5 (depends on 1)

An aqueous fabric softener according to claim 1, characterized in that component C) consists of one or more compounds of the general formula (3) in which AO is the radical --CH(CH.sub.3)--CH.sub.2 --O-- and n is from 1 to 15.

### Claim 6 (depends on 1)

An aqueous fabric softener according to claim 1, characterized in that component C) consists of one or more compounds of the general formula (3) in which R.sup.6 and R.sup.7 are --CH.sub.3 and A.sup.- is CH.sub.3 OSO.sub.3 --.