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US5160527A
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Stabilized metal salt/3-isothiazolone combinations
Assignee: Rohm and Haas Co
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Filing: 1991-05-24
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Granted: 1992-11-03
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Expires: 2011-05-24
Abstract
Abstract A composition comprising: (a) A 3-isothiazolone compound (b) a stabilizing amount of a metal salt, said metal salts selected from the group where the cation is copper, zinc, manganese, ferrous or ferric, and the anion is selected from the group consisting of an organic carboxylic acid of at least of six carbon atoms, EDTA, 8-hydroxyquinolinate, gluconate, o-phenanthroline, quinolinate, N,N-bis(2-hydroxy-5-sulfobenzyl) glycine, lignosulfonate polymers, and polyacrylates; and (c) a locus to be protected against the growth of algae, bacteria, or fungi, selected from the group consisting of: (i) a metal working fluid (MWF) comprising at least one component selected from the group consisting of an alkanolamine, a petroleum sulfonate emulsifier, a boric acid ester or boric acid amide, a corrosion inhibitor, and a fatty acid; (ii) cooling tower water comprising corrosion inhibitors or scale inhibitors, (iii) laundry dish water; (iv) a cosmetic formulation; (v) a fuel system; (vi) an emulsion; (vii) a solid protective or decorative film.
Inventors
- 👤 Andrew B. Law
- 👤 Gary L. Willingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:24
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/12; C10M135/14; C10M135/18; A; A01; A01N; A01N43/00; A01N43/72; A01N43/80; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61Q; A61Q17/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/16; C10L1/1608; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1852; C10L1/188; C10L1/1881; C10L1/1886; C10L1/189; C10L1/19; C10L1/191; C10L1/192; C10L1/195; C10L1/196; C10L1/1963; C10L1/198; C10L1/1985; C10L1/22; C10L1/222; C10L1/2222; C10L1/232; C10L1/24; C10L1/2431; C10L1/2443; C10L1/2456; C10L1/2462; C10L1/2475; C10L1/30; C10L1/301; C10L1/305; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2040/00; C10N2040/20
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
201 words
A composition comprising: R1 ? ##STR3## (a) A 3-isothiazolone compound of the formula: wherein Y is an alkyl or substituted alkyl of 1 to 18 carbon atoms; an unsubstituted or halogen substituted alkenyl or alkynyl of 2 to 8 carbon atoms; a cycloalkyl or substituted cycloalkyl of 3 to 12 carbon atoms; an aralkyl or halogen-, lower alkyl-, or lower alkoxy-substituted aralkyl of up to 10 carbon atoms; or an aryl or halogen-, lower alkyl-, or lower alkoxy-substituted aryl of up to 10 carbon atoms; and X and X 1 are hydrogen, halogen, or a (C 1 -C 4 ) alkyl; (b) a stabilizing amount of a metal salt, said metal salts selected from the group where the cation is copper, zinc, manganese, ferrous or ferric, and the anion is selected from the group consisting of EDTA, 8-hydroxyquinolinate, gluconate, o-phenanthroline, quinolinate, N,N-bis(2-hydroxy-5-sulfobenzyl) glycine, lignosulfonate polymers, and polyacrylates; and (c) a locus to be protected against the growth of algae, bacteria, or fungus consisting of a metal working fluid (MWF) comprising at least one component selected from the group consisting of an alkanolamine, a petroleum sulfonate emulsifier, a boric acid ester or boric acid amide, a corrosion inhibitor, and a fatty acid.
Claim 2
Dependent Claim
201 words
A composition comprising: R1 ? ##STR3## (a) A 3-isothiazolone compound of the formula: wherein Y is an alkyl or substituted alkyl of 1 to 18 carbon atoms; an unsubstituted or halogen substituted alkenyl or alkynyl of 2 to 8 carbon atoms; a cycloalkyl or substituted cycloalkyl of 3 to 12 carbon atoms; an aralkyl or halogen-, lower alkyl-, or lower alkoxy-substituted aralkyl of up to 10 carbon atoms; or an aryl or halogen-, lower alkyl-, or lower alkoxy-substituted aryl of up to 10 carbon atoms; and X and X 1 are hydrogen, halogen, or a (C 1 -C 4 ) alkyl; (b) a stabilizing amount of a metal salt, said metal salts selected from the group where the cation is copper, zinc, manganese, ferrous or ferric, and the anion is selected from the group consisting of EDTA, 8-hydroxyquinolinate, gluconate, o-phenanthroline, quinolinate, N,N-bis(2-hydroxy-5-sulfobenzyl) glycine, lignosulfonate polymers, and polyacrylates; and (c) a locus to be protected against the growth of algae, bacteria, or fungus consisting of a metal working fluid (MWF) comprising at least one component selected from the group consisting of an alkanolamine, a petroleum sulfonate emulsifier, a boric acid ester or boric acid amide, a corrosion inhibitor, and a fatty acid.
Claim 3
Dependent Claim
28 words
An MWF composition according to claim 1 which comprises from about 0.01 parts per million to about 4 parts per hundred of said 3-isothiazolone compound, based on composition.
Claim 4
Dependent Claim
24 words
An MWF composition according to claim 2 which comprises from about 0.01 parts per million to about 10 parts per hundred of metal salt.
Claim 5
Dependent Claim
27 words
The composition of claim 3 which comprises from about 1 to 2000 ppm of said 3-isothiazolone, from about 0.1 ppm to 2 pph of said metal salt.
Claim 6
Dependent Claim
29 words
An MWF compositions according to claim 1 further including the solvent selected from the group consisting of aliphatic hydrocarbon, aromatic hydrocarbon, dihydric alcohol and monoalkyl ethers of dihydric alcohols.
Claim 7
Dependent Claim
11 words
The composition of claim 1 wherein the salt is zinc octoate.
Claim 8
Dependent Claim
47 words
The composition of claim 1 wherein Y is (C 1 -C 18 ) alkyl, (C 3 -C 12 ) cycloalkyl, (C 7 -C 10 ) aralkyl, or (C 7 -C 10 ) ring-chlorinated aralkyl; X is hydrogen, methyl or chloro; and X 1 is hydrogen or chloro.
Claim 9
Dependent Claim
16 words
The composition of claim 7 wherein said 3-isothiazolone is selected from 4,5-dichloro-2-octyl-3-isothiazolone, 2-octyl-3-isothiazolone, 5-chloro-2-methyl-3-isothiazolone and 2-methyl-3-isothiazolone.
Claim 10
Independent Claim
220 words
A method for inhibiting the growth of bacteria, fungi, or algae in a locus consisting of a metal working fluid (MWF) comprising at least one component selected from the group consisting of an alkanolamine, a petroleum sulfonate emulsifier, a boric acid ester or boric acid amide, a corrosion inhibitor, and a fatty acid; comprising incorporating into said locus, in an amount which is effective to adversely affect the growth of bacteria, fungi, or algae, a composition comprising (1) a 3-isothiazolone compound of the formula: ##STR4## wherein Y is an alkyl or substituted alkyl of 1 to 18 carbon atoms; an unsubstituted or halogen substituted alkenyl or alkynyl of 2 to 8 carbon atoms; a cycloalkyl or substituted cycloalkyl of 3 to 12 carbon atoms; an aralkyl or halogen-, lower alkyl-, or lower alkoxy-substituted aralkyl of up to 10 carbon atoms; or an aryl or halogen-, lower alkyl-, or lower alkoxy-substituted aryl of up to 10 carbon atoms; and X and X 1 are hydrogen, halogen, or a (C 1 -C 4 ) alkyl; and (2) a stabilizing amount of a metal salt wherein the cation is selected from the group consisting of copper, zinc, manganese, ferrous or ferric, and wherein the anion is selected from the group consisting of EDTA, 8-hydroxyquinolinate, gluconate, o-phenanthroline, quinolinate, N,N-bis(2-hydroxy-5-sulfobenzyl) glycine, lignosulfonate polymers, and polyacrylates.
Claim 11
Independent Claim
220 words
A method for inhibiting the growth of bacteria, fungi, or algae in a locus consisting of a metal working fluid (MWF) comprising at least one component selected from the group consisting of an alkanolamine, a petroleum sulfonate emulsifier, a boric acid ester or boric acid amide, a corrosion inhibitor, and a fatty acid; comprising incorporating into said locus, in an amount which is effective to adversely affect the growth of bacteria, fungi, or algae, a composition comprising (1) a 3-isothiazolone compound of the formula: ##STR4## wherein Y is an alkyl or substituted alkyl of 1 to 18 carbon atoms; an unsubstituted or halogen substituted alkenyl or alkynyl of 2 to 8 carbon atoms; a cycloalkyl or substituted cycloalkyl of 3 to 12 carbon atoms; an aralkyl or halogen-, lower alkyl-, or lower alkoxy-substituted aralkyl of up to 10 carbon atoms; or an aryl or halogen-, lower alkyl-, or lower alkoxy-substituted aryl of up to 10 carbon atoms; and X and X 1 are hydrogen, halogen, or a (C 1 -C 4 ) alkyl; and (2) a stabilizing amount of a metal salt wherein the cation is selected from the group consisting of copper, zinc, manganese, ferrous or ferric, and wherein the anion is selected from the group consisting of EDTA, 8-hydroxyquinolinate, gluconate, o-phenanthroline, quinolinate, N,N-bis(2-hydroxy-5-sulfobenzyl) glycine, lignosulfonate polymers, and polyacrylates.
Claim 12
Independent Claim
67 words
A method for stabilizing an isothiazolone comprising use of an amount of a metal salt where the cation is selected from the group consisting of copper, zinc, manganese, ferrous or ferric, and the anion is selected from the group consisting of an organic carboxylic acid of at least six carbon atoms, EDTA, 8-hydroxyquinolinate, gluconate, o-phenanthroline, quinolinate, N,N-bis(2-hydroxy-5-sulfobenzyl) glycine, lignosulfonate polymers, and polycarbonates, sufficient to stabilize said isothiazolone.
Claim 13
Independent Claim
67 words
A method for stabilizing an isothiazolone comprising use of an amount of a metal salt where the cation is selected from the group consisting of copper, zinc, manganese, ferrous or ferric, and the anion is selected from the group consisting of an organic carboxylic acid of at least six carbon atoms, EDTA, 8-hydroxyquinolinate, gluconate, o-phenanthroline, quinolinate, N,N-bis(2-hydroxy-5-sulfobenzyl) glycine, lignosulfonate polymers, and polycarbonates, sufficient to stabilize said isothiazolone.
Claim 14
Dependent Claim
52 words
The method according to claim 10, wherein the isothiazolone is in a locus consisting of a metal working fluid (MWF) comprising at least one component selected from the group consisting of an alkanolamine, a petroleum sulfonate emulsifier, a boric acid ester or boric acid amide, a corrosion inhibitor, and a fatty acid.
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