EP0245928A2
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EP
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Antimicrobial compositions
Assignee: Diversey IP International BV
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Filing: 1987-03-16
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Granted: —
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Expires: 2007-03-16
Abstract
Abstract Low-foaming antimicrobial concentrate and "use" composition comprising (a) an antimicrobial agent selected from the group consisting of monocarboxylic acids, dicarboxylic acids and mixtures thereof, (b) a solubilizer, (c) an acid capable of yielding a pH less than or equal to about 5.0 upon dilution of the concentrate to a use solution, and (d) a diluent. This composition provides effective storage stability and low-foaming sanitization when used in "in-place" processing lines such as dairies, breweries and other food processing facilities.
Inventors
- 👤 James H Stanton
- 👤 James L Lichorat
- 👤 John A Lopes
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 23:10
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0026; A; A01; A01N; A01N37/00; A01N37/02; A01N37/04; A01N37/06; C11D3/48
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
152 words
An antimicrobial concentrate capable of being diluted to form an antimicrobial use solution, the concentrate being characterized in: a) an antimicrobial agent selected from the group consisting of a monocarboxylic acid, a dicarboxylic acid and mixtures thereof, the monocarboxylic acid having the general formula: Rʺʹ-COOH wherein Rʺʹ is a straight or branched, saturated or unsaturated alkyl moiety having between about 6 and about 12 carbon atoms, the dicarboxylic acid having the general formula: wherein R is a saturated or unsaturated hydrocarbon moiety having 2 carbon atoms; Rʹ is a substituted or unsubstituted n-alkyl or n-alkenyl moiety having about 6 to about 12 carbon atoms; and Rʺ is a functional group selected from the group consisting of hydrogen, or an alcohol; b) a solubilizer; c) a diluent; and d) an acid capable of yielding a solution pH less than or equal to about 5.0 upon dilution of the concentrate to a use solution.
Claim 2
Dependent Claim
152 words
An antimicrobial concentrate capable of being diluted to form an antimicrobial use solution, the concentrate being characterized in: a) an antimicrobial agent selected from the group consisting of a monocarboxylic acid, a dicarboxylic acid and mixtures thereof, the monocarboxylic acid having the general formula: Rʺʹ-COOH wherein Rʺʹ is a straight or branched, saturated or unsaturated alkyl moiety having between about 6 and about 12 carbon atoms, the dicarboxylic acid having the general formula: wherein R is a saturated or unsaturated hydrocarbon moiety having 2 carbon atoms; Rʹ is a substituted or unsubstituted n-alkyl or n-alkenyl moiety having about 6 to about 12 carbon atoms; and Rʺ is a functional group selected from the group consisting of hydrogen, or an alcohol; b) a solubilizer; c) a diluent; and d) an acid capable of yielding a solution pH less than or equal to about 5.0 upon dilution of the concentrate to a use solution.
Claim 3
Dependent Claim
100 words
The antimicrobial concentrate according to claim 1 characterized in that said concentrate comprises: a) from about 0.25 to about 25.0 percent by weight of the antimicrobial agent, based on the total weight of the concentrate; b) from about 0.25 to about 40 percent by weight of the solubilizer based on the total weight of the concentrate; c) from about 10.0 to about 95.5 percent by weight of the anionic diluent based on the total weight of the concentrate; and d) from about 4.0 to about 50.0 percent by weight of the acid, based on the total weight of the concentrate.
Claim 4
Dependent Claim
17 words
The concentrate composition according to claim 1 or 2 characterized in that Rʹ is a linear hydrocarbon.
Claim 5
Dependent Claim
23 words
The concentrate composition according to claim 1, 2 or 3 characterized in that Rʹ has between about 8 and about 10 carbon atoms.
Claim 6
Dependent Claim
38 words
The concentrate composition according to claim 1 characterized in that Rʹ is a substituted moiety, the substituent being selected from the group consisting of thiol groups, methane thiol groups, amine groups, methoxy groups, aryl groups and mixtures thereof.
Claim 7
Dependent Claim
58 words
The concentrate composition according to any one of the preceding claims, characterized in that the dicarboxylic acid is selected from the group consisting of n-cotyl succinic acid, n-octenyl succinic acid, n-nonyl succinic acid, n-nonenyl succinic acid, n-decyl succinic acid, n-decenyl succinic acid, n-hexyl succinic acid, n-hexenyl succinic acid, diisobutenyl succinic acid, methyl heptenyl succinic acid and mixtures thereof.
Claim 8
Dependent Claim
35 words
The concentrate composition according to any one of claims 1 through 5 characterized in that the antimicrobial agent is selected from the group consisting of succinic acid, maleic acid and fumaric acid and mixutes thereof.
Claim 9
Dependent Claim
41 words
The concentrate according to any one of the preceding claims characterized in that the acid is a weak organic acid selected from the group consisting of acetic acid, hydroxyacetic acid, citric acid, tartaric acid, maleic acid, fumaric acid and mixtures thereof.
Claim 10
Dependent Claim
36 words
The concentrate composition according to any one of claims 1 through 7 characterized in that the acid is an inorganic acid selected from the group consisting of phosphoric acid, sulfuric acid, sulfamic acid and mixtures thereof.
Claim 11
Dependent Claim
70 words
The concentrate composition according to any one of claims 1 through 7 characterized in that the acid is a mixture of an inorganic acid and an organic acid, the inorganic acid selected from the group consisting of phosphoric acid, sulfuric acid, sulfamic acid and mixtures thereof, the organic acid selected from the group consisting of acetic acid, hydroxyacetic acid, citric acid, tartaric acid, maleic acid, fumaric acid and mixtures thereof.
Claim 12
Dependent Claim
44 words
The concentrate composition according to any one of claims 1 through 5 characterized in that the antimicrobial agent is a monocarboxylic acid selected from the group consisting of capric acid, caprylic acid, octanoic acid, decanoic acid, neodecanoic acid, 2,2-dimethyl octanoic acid and mixtures thereof.
Claim 13
Dependent Claim
47 words
The concentrate composition according to any one of claims 1 through 5 characterized in that the antimicrobial agent is monocarboxylic acid mixture of mono- and dicarboxylic acid, the monocarboxylic acid being present in a ratio relative to the dicarboxylic acid of between about 1:1 to about 1:20.
Claim 14
Dependent Claim
34 words
The concentrate composition according to any one of the preceding claims characterized in that the solubilizer is a surfactant-hydrotrope selected from the group consisting of anionic surfactants, nonionic surfactants, zwitterionic surfactants or mixtures thereof.
Claim 15
Dependent Claim
44 words
The concentrate composition according to claim 13, characterized in that the anionic surfactant is selected from the group consisting of alkyl sulfonates and alkyl aryl sulfonates having about 8 to about 22 carbon atoms in the alkyl portion, alkali metal salts or mixtures thereof.
Claim 16
Dependent Claim
27 words
The concentrate composition according to claim 13 characterized in that the zwitterionic surfactant is selected from the group consisting of alkyl imidazolines, alkyl amines or mixtures thereof.
Claim 17
Dependent Claim
40 words
The concentrate composition according to claim 13 characterized in that the nonionic surfactant is selected from the group consisting of ethylene oxide adducts of C₈ to C₁₂ alcohols, ethylene oxide/propylene oxide adducts of ethylene glycol, alkylene glycols or mixtures thereof.
Claim 18
Dependent Claim
37 words
The concentrate composition according to claim 13 characterized in that said surfactant is an alkyl N,N-dimethyl amine oxide having between about 6 and about 10 carbon atoms in the alkyl portion, said surfactant being a solubilizer-coupling agent.
Claim 19
Dependent Claim
24 words
The concentrate composition according to claim 17 characterized in that said surfactant has an alkyl component with about 8 to about 10 carbon atoms.
Claim 20
Dependent Claim
18 words
The concentrate composition according to claim 18 characterized in that said surfactant is octamine N,N-dimethyl-N-oxide and 1-decanamine N,N-dimethyl-N-oxide.
Claim 21
Dependent Claim
15 words
The concentrate composition according to claim 17 characterized in that the solubilizer is octamine, N,N-dimethyl-N-oxide.
Claim 22
Dependent Claim
30 words
The concentrate composition according to any one of the preceding claims characterized in that the diluent is an anionic material selected from the group consisting of short-chain alcohols and water.
Claim 23
Dependent Claim
64 words
A low-foaming aqueous, antimicrobial use solution composition characterized in that said concentrate according to any one of the preceding claims is diluted in water to provide: a) between about 10 and about 500 ppm of said selected antimicrobial agent; b) between about 10 ppm and about 500 ppm of said solubilizer, and c) sufficient of said acid to yield a pH below about 5.0.
Claim 24
Dependent Claim
93 words
In an antimicrobial concentrate capable of being diluted to form an antimicrobial use solution, the concentrate including: a) an antimicrobial agent consisting of an organic acid having sanitizing properties at a solution pH less than or equal to about 5.0: b) a diluent; c) an acid capable of yielding a solution pH less than or equal to about 5.0 upon dilution of said concentrate to a use solution; said concentrate being characterized by a solubilizer-coupling agent, N,N-dimethyl amine oxide, having between about 6 to about 10 carbon atoms in the alkyl portion thereof.
Claim 25
Dependent Claim
93 words
In an antimicrobial concentrate capable of being diluted to form an antimicrobial use solution, the concentrate including: a) an antimicrobial agent consisting of an organic acid having sanitizing properties at a solution pH less than or equal to about 5.0: b) a diluent; c) an acid capable of yielding a solution pH less than or equal to about 5.0 upon dilution of said concentrate to a use solution; said concentrate being characterized by a solubilizer-coupling agent, N,N-dimethyl amine oxide, having between about 6 to about 10 carbon atoms in the alkyl portion thereof.
References Cited (Backward Citations)
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