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EP0803567A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Aqueous cleaning composition providing water and oil repellency to fibre substrates

Assignee: Reckitt Benckiser LLC
•
Filing: 1997-03-07
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Granted: —
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Expires: 2017-03-07
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Abstract

Abstract Aqueous carpet cleaning compositions are described which provide an effective cleaning effect and further impart water and oil repellent characteristics to carpet surfaces and carpet fibers treated with the same. Processes for the production of such compositions, as well as methods for their application are also disclosed.

Inventors

  • 👤 Michael Richard Tyrech
  • 👤 Jeanne Marie Weller
  • 👤 Andrew Francis Colurciello Jr.
  • 👤 Tracy Ann Ryan

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 04:05
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/37; C11D3/00; C11D3/0005; C11D3/0031; C11D3/43; C11D1/12; C11D1/14; C11D1/22

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 311 words
Aqueous cleaning compositions which impart oil and water repellent characteristics to fibrous substrates which comprise per 100 %wt.: (a) 0.1% - 0.5%wt. of a fluoroaliphatic radical-containing poly(oxyalkylene) compound according to the general formulae (1) and (2): (R f ) s Z[(R 3 ) y Z'B] t (1) [(R f ) s Z[(R 3 ) y Z'B'] t ] 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 togethe (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 or a number of at least 1; 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; t   is an integer or number of at least 1; and w   is an integer or number greater than 1; (b) 0.001 - 2%wt. anionic surfactant selected from alkyl sulfates, alkyl benzene sulfates, and alkane sulfonates as well as salt forms thereof and wherein the weight ratios of the anionic surfactant to fluoroaliphatic radical-containing poly(oxyalkylene) compound is from 1.5 - 6 to 1. (c) organic solvent; (d) water; and further optionally; (e) one or more additives selected from preservatives, coloring agents; fragrances, anti-foaming agents, pH adjusting agents, buffer compositions, anti-soiling agents and resoiling inhibitors, chelating agents, optical brighteners, further solvents or surfactants, one or more further fluorosurfactant compositions, and one or more nonionic surfactants selected from alkoxylated primary alcohols and alkoxylated secondary alcohols as well as salt forms thereof.
Claim 2
Dependent Claim 142 words
The aqueous cleaning composition according to claim 1 wherein: the fluoroaliphatic radical-containing poly(oxyalkylene) compound is a fluoroaliphatic oligomer or polymer according to the general formula (3): CaF 2a+1 N(CH 3 )(W) 3 (A) n B - X + (3) in which: B   is a water soluble group selected from sulfate, sulfonate, carboxylate, phosphate, phosphonate or halogen group; W   is a lower alkyl group especially a -CH 2 -, -CH 2 CH 2 - and/or -CH 2 CH 2 CH 2 -; A   is an ethoxy (OC 2 H 4 ), propoxy (OC 3 H 6 ), and/or butoxy (OC 4 H 8 ) or is a mixture of two or more such groups; X+   is a salt forming organic counterion, or an inorganic counterion; n   represents a value of between 1 and 8; a   represents a value of between 1 and 12.
Claim 3
Dependent Claim 117 words
The aqueous cleaning composition according to claim 1 or 2 wherein: the fluoroaliphatic radical-containing poly(oxyalkylene) compound is a fluoroaliphatic oligomer or polymer according to the general formulae (4): C 8 F 17 N(CH 3 )(CH 2 ) 3 (A) n OSO 2 - X + (4) 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 ), propoxy (OC 3 H 6 ), or a mixture of such groups, but preferably represents ethoxy; X + is a salt forming counterion such as an alkali or alkaline earth metal counterion.
Claim 4
Dependent Claim 35 words
An aqueous cleaning composition according to claim 1, 2 and 3 wherein: the organic solvent is a mixture of 1 part of ethylene glycol hexyl ether to 0.1 - 1 parts diethylene glycol hexyl ether.
Claim 5
Dependent Claim 63 words
An aqueous cleaning composition according to any of claims 1 to 4 which further includes:a further fluorosurfactant composition which is a perfluoropropionate according to the formula: F(CF 2 ) n -CH 2 CH 2 -S-CH 2 CH 2 -COO - X + (A) where: n   is an integer having a value of 6 to 12; and, X + is a salt forming counterion.
Claim 6
Dependent Claim 42 words
An aqueous cleaning composition according to any of claims 1 to 5 wherein the further fluorosurfactant composition is a perfluoroalkyl phosphate or salt thereof according to the formula (B): where: n   is an integer having a value of from 6 to 12.
Claim 7
Dependent Claim 110 words
An aqueous cleaning composition according to any of claims 1 to 6 which further includes: an anti-resoiling compound selected from: colloidal silica, aluminum oxides, styrene-maleic anhydride copolymer resins, polyvinylpyrrolidone, polyacrylates, polycarboxylates, modified cellulose polymers, vinyl acetate/maleic anhydride copolymer resins, cationic amines, aliphatic quaternary ammonium salts known to have anti-static properties, and imidazoline salts, a fluorinated acrylate copolymer which conforms to the formula (C): CF 3 (CF 2 ) n CH 2 OCOC(CH 3 )=CH 2 (C) wherein n   represents a value of from 6 - 8, or a fluorinated acrylate copolymer which conforms to the formula (D): (-CH 2 -CH(COOR)-) n (D) wherein n is a value greater than 50.
Claim 8
Dependent Claim 25 words
An aqueous cleaning composition according to any preceding claim which further includes: a nonionic alkoxylated primary alcohol surfactant, or a nonionic alkoxylated secondary alcohol surfactant.
Claim 9
Dependent Claim 39 words
A process for simultaneously cleaning and providing water and oil repellency to a fiber or fibrous substrate which comprises the step of: treating said fiber or fibrous substrate with a composition according to any of claims 1 to 8.
Claim 10
Dependent Claim 41 words
A process for simultaneously cleaning and providing water and oil repellency to a carpet fiber or carpet surface which comprises the step of: treating said carpet fiber or carpet surface with a composition according to any of claims 1 to 8.

References Cited (Backward Citations)

US4681790A Cited

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