Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Heterogeneous arrangement
Reexamination Certificate
2003-04-14
2004-02-10
Ogden, Necholus (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Heterogeneous arrangement
C510S295000, C510S424000, C510S470000, C510S473000, C510S501000, C510S503000, C510S505000, C510S506000, C510S499000, C134S042000, C428S208000, C015S209100
Reexamination Certificate
active
06689736
ABSTRACT:
FIELD OF INVENTION
The present invention relates to a cleaning wipes for dishwasher, fabrics, hair, human skin and teeth which is a single or multi layer fabric substrate which has been impregnated with a liquid cleaning composition.
BACKGROUND OF THE INVENTION
The patent literature describes numerous wipes for body cleaning, oral cleaning, fabric cleaning, hair cleaning and cleaning of hard surfaces but none describe wipes for cleaning teeth, hair, human skin, fabrics or cleaning dishware flatware, pots and pans. U.S. Pat. Nos. 5,980,931, 6,063,397 and 6,074,655 teach a substantially dry disposable personal cleansing product useful for both cleansing and conditioning the skin and hair. U.S. Pat. No. 6,060,149 teaches a disposable wiping article having a substrate comprising multiple layers.
U.S. Pat. Nos. 5,756,612; 5,763,332; 5,908,707; 5,914,177; 5,980,922 and 6,168,852 teach cleaning compositions which are inverse emulsions.
U.S. Pat. Nos. 6,183,315 and 6,183,763 teach cleaning compositions containing a proton donating agent and having an acidic pH. U.S. Pat. Nos. 5,863,663; 5,952,043; 6,063,746 and 6,121,165 teaches cleaning compositions which are oil in water emulsions.
SUMMARY OF THE INVENTION
A single use cleaning wipe for dishwashing application comprises a water insoluble substrate, impregnated with a cleaning composition containing at least one surfactant, a cellulosic polymer and water.
The liquid cleaning compositions of this invention are not an emulsion and do not contain potassium sorbate, a polysaccharide polymer, a polycarboxylate polymer, polyvinyl alcohol polymer, polyvinylpyrrolidone polymer or methyl vinyl ether polymer.
DETAILED DESCRIPTION OF THE INVENTION
The present invention relates to a cleaning wipe for dishware, flatware, pots and pans which is not moist and does not feel wet to the user and is activated by contact with water and comprises approximately by weight:
(a) 5% to 80% of a cleaning composition which comprises approximately by weight:
(i) 0.5% to 12% of a water soluble cellulosic polymer selected from the group consisting of methyl cellulose and hydroxypropyl methyl cellulose and mixtures thereof;
(ii) 15% to 50% of at least one surfactant selected from the group consisting of alkali metal salts of a fatty acids, ethoxylated nonionic surfactants, amine oxide surfactants, alkyl polyglucoside surfactants, zwitterionic surfactants, anionic surfactants and C
12
-C
14
fatty acid monoalkanol amides and mixtures thereof;
(iii) 0 to 6%, more preferably 0.05% to 3% of a perfume; and
(iv) the balance being water, wherein the composition does not contain potassium sorbate, a polysaccharide polymer, a polycarboxylate polymer, polyvinyl alcohol polymer, polyvinylpyrrolidone polymer or methyl vinyl ether polymer; and
(b) 20% to 95% of a water insoluble substrate, wherein said water insoluble substrate comprises a top layer of coarse fibers, an absorbent center layer which is cellulosic paper and a bottom layer of fine fibers, wherein the layers are bonded together and the center layer is impregnated with said cleaning composition.
The anionic surfactants which may be used in the detergent film of this invention are water soluble and include the sodium, potassium, ammonium and ethanolammonium salts of C
8
-C
18
alkyl sulfates such as lauryl sulfate, myristyl sulfate and the like; linear C
8
-C
16
alkyl benzene sulfonates; C
10
-C
20
paraffin sulfonates; alpha olefin sulfonates containing about 10-24 carbon atoms; C
8
-C
18
alkyl sulfoacetates; C
8
-C
18
alkyl sulfosuccinate esters; C
8
-C
18
acyl isethionates; and C
8
-C
18
acyl taurates. Preferred anionic surfactants are the water soluble C
12
-C
16
alkyl sulfates, the C
10
-C
15
alkylbenzene sulfonates, the C
13
-C
17
paraffin sulfonates and the alpha C
12
-C
18
olefin sulfonates.
The higher alkyl mononuclear aromatic sulfonates, such as the higher alkylbenzene sulfonates containing 9 to 18 or preferably 9 to 16 carbon atoms in the higher alkyl group in a straight or branched chain. A preferred alkylbenzene sulfonate is a linear alkylbenzene sulfonate having a higher content of 3-phenyl (or higher) isomers and a correspondingly lower content (well below 50%) of 2-phenyl (or lower) isomers, such as those sulfonates wherein the benzene ring is attached mostly at the 3 or higher (for example 4, 5, 6 or 7) position of the alkyl group and the content of the isomers in which the benzene ring is attached in the 2 or 1 position is correspondingly low. Preferred materials are set forth in U.S. Pat. No. 3,320,174, especially those in which the alkyls are of 10 to 13 carbon atoms.
Examples of suitable other sulfonated anionic detergents are the well known. The paraffin sulfonates may be monosulfonates or di-sulfonates and usually are mixtures thereof, obtained by sulfonating paraffins of 10 to 20 carbon atoms. Preferred paraffin sulfonates are those of C
12-18
carbon atoms chains, and more preferably they are of C
14-17
chains. Paraffin sulfonates that have the sulfonate group(s) distributed along the paraffin chain are described in U.S. Pat. Nos. 2,503,280; 2,507,088; 3,260,744; and 3,372,188; and also in German Patent 735,096. Such compounds may be made to specifications and desirably the content of paraffin sulfonates outside the C
14-17
range will be minor and will be minimized, as will be any contents of di- or poly-sulfonates.
The C
8-18
ethoxylated alkyl ether sulfate surfactants have the structure
R—(OCHCH
2
)
n
OSO
3
−
M
+
wherein n is about 1 to about 22 more preferably 1 to 3 and R is an alkyl group having about 8 to about 18 carbon atoms, more preferably 12 to 15 and natural cuts, for example, C
12-14
or C
12-16
and M is an ammonium cation or a metal cation, most preferably sodium.
The ethoxylated alkyl ether sulfate may be made by sulfating the condensation product of ethylene oxide and C
8-10
alkanol, and neutralizing the resultant product. The ethoxylated alkyl ether sulfates differ from one another in the number of carbon atoms in the alcohols and in the number of moles of ethylene oxide reacted with one mole of such alcohol. Preferred ethoxylated alkyl ether polyethenoxy sulfates contain 12 to 15 carbon atoms in the alcohols and in the alkyl groups thereof, e.g., sodium myristyl (3 EO) sulfate.
Ethoxylated C
8-18
alkylphenyl ether sulfates containing from 2 to 6 moles of ethylene oxide in the molecule are also suitable for use in the invention compositions. These detergents can be prepared by reacting an alkyl phenol with 2 to 6 moles of ethylene oxide and sulfating and neutralizing the resultant ethoxylated alkylphenol.
The C
12-
C
20
paraffin sulfonates may be monosulfonates or di-sulfonates and usually are mixtures thereof, obtained by sulfonating paraffins of 10 to 20 carbon atoms. Preferred paraffin sulfonates are those of C
12-18
carbon atoms chains, and more preferably they are of C
14-17
chains. Paraffin sulfonates that have the sulfonate group(s) distributed along the paraffin chain are described in U.S. Pat. Nos. 2,503,280; 2,507,088; 3,260,744 and 3,372,188 and also in German Patent 735,096. Such compounds may be made to specifications and desirably the content of paraffin sulfonates outside the C
14-17
range will be minor and will be minimized, as will be any contents of di- or poly-sulfonates.
The present invention can also contain alpha olefin sulfonates, including long-chain alkene sulfonates, long-chain hydroxyalkane sulfonates or mixtures of alkene sulfonates and hydroxyalkane sulfonates. These alpha olefin sulfonate surfactants may be prepared in a known manner by the reaction of sulfur trioxide (SO
3
) with long-chain olefins containing 8 to 25, preferably 12 to 21 carbon atoms and having the formula RCH═CHR
1
where R is a higher alkyl group of 6 to 23 carbons and R
1
is an alkyl group of 1 to 17 carbons or hydrogen to form a mixture of sultones and alkene sulfonic acids which is then treated to convert the sultones to sulfonates. Preferred alpha olefin sulfonates contain from 14 to 16 carbon atoms in the R alkyl group and are obtaine
Ghaim Josh
Gorlin Philip
Thomas Barbara
Wisniewski Karen
Colgate-Palmolive Company
Nanfeldt Richard E.
Ogden Necholus
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