Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Liquid composition
Reexamination Certificate
2000-11-14
2004-01-20
Boyer, Charles (Department: 1751)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Liquid composition
C510S276000, C510S289000, C510S308000, C510S318000, C510S322000, C510S327000, C510S329000, C510S330000, C510S331000, C510S356000, C510S398000, C510S421000, C510S477000, C510S488000, C510S533000
Reexamination Certificate
active
06680286
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to detergent compositions. More particularly, it relates to a liquid detergent compositions containing an organic polyelectrolyte builder, which are especially useful for washing clothes.
2. Description of the Prior Art
Heretofore, there have been known water-soluble salts (such as alkali metal, ammonium or amine salts) of polymeric polycarboxylic acids (such as polyacrylic acid, polyitaconic acid, polymaleic acids, copolymers thereof and the like as a builder for detergent.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a builder compatibile with surfactants.
It is another object of this invention to provide a liquid detergent composition of improved compatibility.
It is still another object of this invention to provide a detergent composition of low foaming properties.
It is yet another object of the invention to provide a detergent composition of improved detergency to mud dirt.
It is further object of the present invention to provide a detergent composition useful for washing fibrous material, fabrics or clothes.
It is still further object of this invention to provide a detergent composition particularly suitable for use within centrifugal washers.
Briefly, these and other objects of this invention as hereinafter will become more readily apparent have been attained broadly by a liquid detergent composition, which comprises a surfactant and a builder, at least 30% by weight of said builder comprising a quaternary ammonium salt (A) of a carboxyl-containing polymer.
In another aspect of the present invention embraces a detergent composition, which comprises a specific nonionic surfactant (Bn) and/or an anionic surfactant (Dn) derived therefrom, and at least one of a quaternary ammonium salt (A) or an organic amine salt (A′) of a carboxyl group-containing polymer, a cationic surfactant (C), a quaternary ammonium or organic amine salt (E) of a low molecular weight polycarboxylic acid and another quaternary ammonium or organic amine salt (F). Said surfactant (Bn) is an adduct prepared by adding an alkylene oxide (b1) to an aliphatic alcohol (a1). Said adduct satisfys the following inequality (I) or (II) and having a distribution constant (c), calculated by the following equation (III), of 2.0 or less.
Mw/Mn
≦0.030
Ln
(
v)+
1.010(
v
<10) (I)
Mw/Mn
≦−0.026
Ln
(
v
)+1.139(
v
≧10) (II)
c
=(
v+n
o
oo
−1)/{
Ln
(
n
oo
o
)+
n
o
oo
−1} (III)
In the above inequalities and equation, v is the average addition molar number of (b1) added to 1 mole of (a1), n
oo
is the molar number of (a1) used in the reaction, and no is the molar number of the unreacted (a1).
In the above and hereinafter, Mw and Mn represent a weight average molecular weight and a number average molecular weight, respectively, as determined by gel permeation chromatography (hereinafter referred to as GPC); and unreacted (a1) is determined by gas chromatography (hereinafter referred to as GC).
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Suitable carboxyl-containing polymers constituting said quaternary ammonium salt (A) or said organic amine salt (A′) include polymers of at least one ethylenically unsaturated carboxyl-containing monomer, and copolymers of at least one ethylenically unsaturated carboxyl-containing monomer with at least one other polymerizable monomer.
Suitable ethylenically unsaturated carboxyl-containing monomers include, for example, &agr;,&bgr;-unsaturated monocarboxylic acids, such as (meth)acrylic and crotonic acids; dicarboxylic acids, such as maleic, fumaric, itaconic, citraconic, mesaconic, methylenemalonic and cinnamic acids, tricarboxylic acids, such as aconitic acid; dicarboxylic anhydrides, such as maleic, itaconic and citraconic anhydrides; half esters of dicarboxylic acid as mentioned above with monohydric alcohol (e.g. alkanols, cellosolves and carbitols, containing 2 to 16 carbon atoms), such as monobutyl maleate, monoethylcarbitol maleate and the like, fumarates and itaconates corresponding to these maleates; as well as combinations of two or more of these monomers. Among these, preferred are &agr;, &bgr;-unsaturated monocarboxylic acids, particularly (meth)acrylic acids. [In the above and hereinafter, “(meth)acrylic” represents “acrylic” and/or “methacrylic”, and similar expressions are used hereinafter.] The most preferred is acrylic acid.
Suitable other polymerizable monomers are inclusive of water-soluble (or hydrophilic) and water-insoluble (or hydrophobic), nonionic and anionic monomers.
Examples of suitable other polymerizable monomers include nonionic ones as the following (a)-(g) and anionic ones as the following (h):
(a) ethylenically unsaturated aromatic hydrocarbon monomers: styrenes, such as styrene, &agr;-methylstyrene, vinyltoluene and the like; and vinylnaphthalenes;
(b) ethylenically unsaturated aliphatic hydrocarbon monomers containing 2-20 carbon atoms: alkenes, such as ethylene, propylene, butene, isobutylene, pentene, heptene, hexene, diisobutylene, octene, dodecene and octadecene; alkadienes, such as butadiene, hexadiene and isoprene;
(c) ethylenically unsaturated alicyclic hydrocarbon monomers containing 5-15 carbon atoms: cyclopentadiene, pinene, limonene, indene, bicyclopentadiene, ethylidene-norbornene and the like;
(d) ethylenically unsaturated esters: including alkyl esters of ethylenically unsaturated carboxylic acids (as mentioned above) containing 1-50 carbon atoms in the alkyl: alkyl (meth)acrylates, such as methyl, ethyl, propyl, butyl, 2-ethylhexyl, dodecyl, hexadecyl, heptadecyl and eicosyl (meth)acrylates, and crotonates, dimaleates, difumarates and diitaconates corresponding to these (meth)acrylates; and carboxylates of ethylenically unsaturated alcohols, such as vinyl and (meth)allyl acetates;
(e) ethylenically unsaturated monomers containing a hydroxyl group and/or a (poly)oxyalkylene group having a molecular weight of 44 to about 2000 [having 1 to 30 or more units of one or more oxyalkylene groups containing 2 to 4 carbon atoms (hereinafter referred to as C
2-4
; similar expressions being used hereinafter) which may be present either random-wise or block-wise in case of two or more oxyalkylene groups]: hydroxyalkyl(C
2-6
) esters, cellosolve esters, carbitol esters, polyoxyalkylene(C
2-4
) esters and (poly)oxyalkylene(C
2-4
)-monoalkyl(C
1-20
)ether esters of ethylenically unsaturated carboxylic acids (as above), such as hydroxyethyl and hydroxypropyl (meth)acrylates, mono(meth)acrylates of polyethylene glycol (MW: 300) [hereinafter referred to as PEG (300), similar expressions being used hereinafter], mono(meth)acrylates of polypropylene glycol (MW: 500) [hereinafter referred to as PPG (500), similar expressions being used hereinafter], cellosolve (meth)acrylates, carbitol (meth)acrylates, decaethylene glycol monomethylether (meth)acrylates, triacontaethylene glycol monolaurylether (meth)acrylates and the like, and crotonates, dimaleates, difumarates and diitaconates corresponding to these (meth)acrylates; ethylenically unsaturated hydrocarbon mono-ols, such as alkenols [e.g. vinyl and (meth)allyl alcohols] and hydroxystyrenes, and (poly)oxyalkylene(C
2-4
) ethers of them;
(f) amide-containing ethylenically unsaturated monomers: unsubstituted and substituted amides of ethylenically unsaturated carboxylic acids (as mentioned above), such as (meth)acrylamides and N-methylol(meth)acrylamides;
(g) other nonionic monomers, for example, nitrile-containing monomers, such as (meth)acrylonitriles; halogen-containing monomers, such as halogen-substituted styrenes such as dichlorostyrene, vinyl and vinylidene halides such as vinyl chloride and vinylidene chloride; and so on;
(h) ethylenically unsaturated monomers containing a sulfonic acid group or sulfate group: sulfonic group-containing monomers, for example, ethylenically unsaturated hydrocarbonsulfonic acids which may conta
Itayama Hiroshi
Kawaguchi Koji
Boyer Charles
Finnegan, Henderson & Farabow, Garrett & Dunner, L.L.P
Sanyo Chemical Industries Ltd.
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