US5861365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol, aqueous cleaning compositions providing water and oil repellency to fiber substrates
Assignee: Reckitt Benckiser LLC
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Filing: 1996-10-01
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Granted: 1999-01-19
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Expires: 2016-10-01
Abstract
Abstract Aqueous cleaning and surface treatment compositions for imparting oil and water repellency to treated surfaces which comprise: (a) fluoroaliphatic radical-containing poly(oxyalkylene) compound; (b) anti-resoiling composition; (c) anionic surfactant compound, preferably one or more selected from alkyl sulfates, alkyl benzene sulfates, and alkane sulfonates as well as salts thereof; (d) organic solvent; (e) citric acid salts, preferably one or more anhydrous and dihydrous sodium citrates (f) water wherein the are at a neutral or alkaline pH, especially from about 8 to about 10. The compositions are particularly shelf stable, and exhibit excellent shelf stability in pressurized aerosol containers.
Inventors
- 👤 Andrew Francis Colurciello, Jr.
- 👤 Tracy Ann Ryan
- 👤 Jeanne Marie Weller
- 👤 Michael Richard Tyerech
- 👤 Robert Thomas Delaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:30
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765; C11D1/00; C11D1/004; C11D1/02; C11D1/37; C11D3/0005; C11D3/0031; C11D3/20; C11D3/2075; C11D3/2086; C11D3/24; C11D3/245; D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/45; D06M11/77; D06M11/79; D06M13/00; D06M13/10; D06M13/165; D06M13/184; D06M13/207; D06M13/244; D06M13/248; D06M13/256; D06M13/262; D06M13/322; D06M13/46; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/19; D06M15/21; D06M15/227; D06M15/233; D06M15/263; D06M15/277; D06M15/327; D06M15/333; D06M15/356; D06M15/3562; D06M15/37; D06M15/53; D06M23/00; D06M23/02; D06M23/06; D06M23/10; C11D1/006; C11D1/008; D06M2200/00; D06M2200/10; D06M2200/11; D06M2200/12
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
73 words
Aqueous carpet cleaning and surface treatment compositions for imparting oil and water repellency to treated surfaces, the compositions comprising: (a) a fluoroaliphatic radical-containing poly(oxyalkylene) compound; (b) an anti-resoiling composition selected from the group consisting of polyacrylates, polycarboxylates, cationic amines, aliphatic quaternary ammonium salts having anti-static properties, and imidazoline salts; (c) an anionic surfactant compound; (d) organic solvent; (e) citric acid salts; and (f) water wherein the composition is at a pH from 7-10.
Claim 2
Dependent Claim
73 words
Aqueous carpet cleaning and surface treatment compositions for imparting oil and water repellency to treated surfaces, the compositions comprising: (a) a fluoroaliphatic radical-containing poly(oxyalkylene) compound; (b) an anti-resoiling composition selected from the group consisting of polyacrylates, polycarboxylates, cationic amines, aliphatic quaternary ammonium salts having anti-static properties, and imidazoline salts; (c) an anionic surfactant compound; (d) organic solvent; (e) citric acid salts; and (f) water wherein the composition is at a pH from 7-10.
Claim 3
Dependent Claim
233 words
The composition according to claim 1 wherein: constituent (a) is a fluoroaliphatic oligomer or which may be represented by the general formule: (R.sub.f).sub.s Z (R.sup.3).sub.y Z'B!.sub.t ( 1) (R.sub.f).sub.s Z (R.sup.3).sub.y Z'B'!.sub.t !.sub.w ( 2) where R f is a fluoroaliphatic radical, Z is a linkage through which R f and (R 3 ) y moieties are covalently bonded together, (R 3 ) y is a poly(oxyalkylene) moiety, R 3 being an oxyalkylene group with 2 to 4 carbon atoms and y is an integer (where the above formulas are those of individual compounds) or a number (where the above formulas are those of mixtures) at least 1, preferably 1 to 125 and can be as high as 180 or higher, B is a hydrogen atom or a monovalent terminal organic radical, B' is B or a valence bond, with the proviso that at least one B' is a valence bond interconnecting a Z-bonded R 3 radical to another Z, Z' is a linkage through which B, or B', and R 3 are covalently bonded together, s is an integer or number of at least 1 and can be as high as 25 or higher, t is an integer or number of at least 1, and can be as high as 60 or higher, and w is an integer or number greater than 1, and can be as high as 30 or higher.
Claim 4
Dependent Claim
89 words
The composition according to claim 1 wherein: constituent (a) is a fluorochemical salt according to the general structure: C.sub.8 F.sub.17 N(CH.sub.3)(CH.sub.2).sub.3 (A).sub.n OSO.sub.2.sup.- X.sup.+ in which n represents a value of between 1 and 3, preferably is a value of from 1 to 2 inclusive, and most preferably is a value of about 1.5; A represents an ethoxy (OC 2 H 4 ) group, propoxy (OC 3 H 6 ) group, or is a mixture of both ethoxy and propoxy groups; and, X + is a salt forming counterion.
Claim 5
Dependent Claim
31 words
The composition according to claim 1 wherein: the fluoroaliphatic radical-containing poly(oxyalkylene) compound according to constituent (a) is present in an amount of from between about 0.001% wt. and about 3% wt.
Claim 6
Dependent Claim
31 words
The composition according to claim 4 wherein: the fluoroaliphatic radical-containing poly(oxyalkylene) compound according to constituent (a) is present in an amount of from between about 1.4% wt. and about 2.0% wt.
Claim 7
Dependent Claim
23 words
The composition according to claim 1 wherein: constituent (b) is present in an amount of from about 0.01% wt. to about 11.0% wt.
Claim 8
Dependent Claim
28 words
The composition according to claim 1 wherein: constituent (c) is an anionic surfactant compound selected from alkyl sulfates, alkyl benzene sulfates, and alkane sulfonates or salt forms thereof.
Claim 9
Dependent Claim
18 words
The composition according to claim 1 wherein: constituent (c) is present in an amount of from 0.001-2.5% wt.
Claim 10
Dependent Claim
25 words
The composition according to claim 1 wherein: constituent (d) is one or more organic solvents selected from: alcohols, glycols, acetates, ether acetates and glycol ethers.
Claim 11
Dependent Claim
23 words
The composition according to claim 1 wherein: constituent (d) is present in an amount of from about 0.001% wt. to about 7.0% wt.
Claim 12
Dependent Claim
19 words
The composition according to claim 1 wherein: constituent (e) is one or more anhydrous or dihydrous citric acid salts.
Claim 13
Dependent Claim
20 words
The composition according to claim 1 wherein: constituent (f) is present in an amount of at least about 80% wt.
Claim 14
Dependent Claim
61 words
The composition according to claim 1 which further comprises: 0-5% wt. of one or more conventional additives selected from: preservatives, coloring agents such as dyes and pigments, fragrances, pH adjusting agents, buffer compositions, further anti-soiling agents and resoiling inhibitors, optical brighteners, further solvents or surfactants particularly non-ionic surfactant compounds, aerosol propellent compositions, as well as one or more further fluorosurfactant compositions.
Claim 15
Dependent Claim
14 words
A composition according to claim 13 which comprises one or more nonionic surfactant compounds.
Claim 16
Dependent Claim
42 words
A composition according to claim 14 which comprises a perfluoropropionate according to the formula: F(CF.sub.2).sub.n --CH.sub.2 CH.sub.2 --S--CH.sub.2 CH.sub.2 --COO.sup.- X.sup.+ (A) where: n is an integer having a value of 6 to 12; and, X + is a salt forming counterion.
Claim 17
Dependent Claim
31 words
A composition according to claim 14 which comprises a perfluoroalkyl phosphate or salt according to the formula: ##STR4## where: n is an integer having a value of from 6 to 12.
Claim 18
Dependent Claim
33 words
A shelf stable composition according to claim 1 when packaged in conventional pressurized aerosol containers and subjected to accelerated ageing testing at 120 deg. F., for a four-week test period are phase stable.
Claim 19
Dependent Claim
95 words
An aqueous carpet cleaning and surface treatment compositions for imparting oil and water repellency to treated surfaces according to claim 1 which comprise: (a) fluoroaliphatic radical-containing poly(oxyalkylene) compound; (b) an anti-resoiling composition selected from: a fluorinated acrylate copolymer is according to the formula: CF.sub.3 (CF.sub.2).sub.n CH.sub.2 OCOC(CH.sub.3)═CH.sub.2 wherein n represents a value of from 6-8, and, a non-halogenated acrylic polymer according to the formula: ##STR5## wherein n is a value greater than 50; (c) anionic surfactant compound; (d) organic solvent; (e) citric acid salts; (f) water wherein the composition is at a pH from 7-10.
Claim 20
Dependent Claim
43 words
A composition according to claim 18 which further comprises a perfluoropropionate according to the formula: F(CF.sub.2).sub.n --CH.sub.2 CH.sub.2 --S--CH.sub.2 CH.sub.2 --COO.sup.- X.sup.+ (A) where: n is an integer having a value of 6 to 12; and, X + is a salt forming counterion.
Claim 21
Dependent Claim
32 words
A composition according to claim 18 which further comprises a perfluoroalkyl phosphate or salt according to the formula: ##STR6## where: n is an integer having a value of from 6 to 12.
Claim 22
Dependent Claim
148 words
A composition according to claim 1 consisting essentially of the following constituents on a weight basis: (a) 0.001-3% wt. fluoroaliphatic radical-containing poly(oxyalkylene) compound; (b) 0.01-2% wt. an anti-resoiling compound; (c) 0.001-2.5% wt. of an anionic surfactant compound, preferably one or more selected from alkyl sulfates, alkyl benzene sulfates, and alkane sulfonates as well as salts thereof; (d) 0.001-7.0% wt. of an organic solvent; (e) 0.01-0.3% wt. of a citric acid salt, preferably one or more anhydrous and dihydrous sodium citrates (f) at least 80% wt. of water (g) 0-5% of one or more conventional additives selected from: preservatives, coloring agents such as dyes and pigments, fragrances, pH adjusting agents, buffer compositions, further anti-soiling agents and resoiling inhibitors, optical brighteners, further solvents or surfactants particularly non-ionic surfactant compounds, aerosol propellent compositions, as well as one or more further fluorosurfactant compositions, wherein the composition is at a pH from 7-10.
Claim 23
Dependent Claim
52 words
The composition according to claim 21 wherein the anti-resoiling composition is selected from: a fluorinated acrylate copolymer is according to the formula: CF.sub.3 (CF.sub.2).sub.n CH.sub.2 OCOC(CH.sub.3)═CH.sub.2 wherein n represents a value of from 6-8, and, a non-halogenated acrylic polymer according to the formula: ##STR7## wherein n is a value greater than 50.
Claim 24
Dependent Claim
25 words
Aqueous carpet cleaning and surface treatment compositions according to claim 1, wherein the composition is substantially free of alkylenediaminetetraacetic acid chelating agents or salts thereof.
References Cited (Backward Citations)
US3901727A
Cited
US4566981A
Cited
US4668726A
Cited
CA1323819C
Cited
US5202049A
Cited
WO1993001348A1
Cited
US5370919A
Cited
EP0648834A1
Cited
WO1995034631A1
Cited
EP0803567A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-01-18 | 2002-07-20 | 2003-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-01-18 | 2006-07-20 | 2007-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-01-18 | 2010-07-20 | 2011-01-19 | $7700.00 | Window Closed / Lapsed |