Disclosed are marine coating compositions that are useful to inhibit the fouling of a marine structure by a broad spectrum of organisms. Generally, the marine coating composition comprises an antifouling agent and an organic vehicle.
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What is claimed is: 1. A marine coating composition, the composition comprising an antifouling agent and an organic vehicle, the antifouling agent comprising a metal chelate or a metal salt, the metal chelate comprising metal ions and ligands wherein a compound of formula (1) is a source of the lig
What is claimed is: 1. A marine coating composition, the composition comprising an antifouling agent and an organic vehicle, the antifouling agent comprising a metal chelate or a metal salt, the metal chelate comprising metal ions and ligands wherein a compound of formula (1) is a source of the ligands, the metal salt comprising metal ions and anions wherein a compound of formula (1) is a source of the anions, the compound of formula 1 comprising: wherein: n is an integer from 0 to 2; R1 is methyl or ethyl; and R2 is selected from the group consisting of hydroxyl and amino. 2. The marine coating composition of claim 1 comprising a metal chelate, wherein the average ligand to metal ion ratio is about 2:1. 3. The marine coating composition of claim 1 comprising a metal salt, wherein the average anion to metal ion ratio is about 1:1. 4. The marine coating composition of claim 1, wherein the metal ions are selected from the group consisting of zinc ions, copper ions, manganese ions, iron ions, chromium ions, nickel ions, cobalt ions, silver ions, calcium ions and combinations thereof. 5. The marine coating composition of claim 1, wherein the metal ions comprise zinc ions or copper ions. 6. The marine coating composition of claim 1, further comprising another biocidal agent selected from the group consisting of copper nitrate, copper isothiocyanate, N'-tert-butyl-N-cyclopropyl-6-(methylthio)-1,3,5-triazine-2,4-diamine, N-dichlorofluoromethylthio-N',N'-dimethyl-N-phenylsulfamide, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, 2-(thiocyanomethylthio) benzothiazole, tributyultin methacrylate copolymer, tributyltin oxide and combinations thereof. 7. The marine coating composition of claim 1, wherein n is 2, R1 is methyl, and R2 is hydroxyl. 8. The marine coating composition of claim 7, wherein the metal ions comprise zinc ions. 9. The marine coating composition of claim 7, wherein the metal ions comprise copper ions. 10. The marine coating composition of claim 7, wherein the metal ions comprise copper ions or zinc ions and further comprising another biocidal agent selected from the group consisting of copper nitrate, copper isothiocyanate, N'-tert-butyl-N-cyclopropyl-6-(methylthio)-1,3,5-triazine-2,4-diamine, N-dichlorofluoromethylthio-N',N'-dimethyl-N-phenylsulfamide, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, 2-(thiocyanomethylthio) benzothiazole, tributyultin methacrylate copolymer, tributyltin oxide and combinations thereof. 11. The marine coating composition of claim 1, wherein the metal chelate or metal salt is present in the marine coating composition at a concentration from about 0.05 wt. % to about 50 wt. %. 12. The marine coating composition of claim 1, wherein the metal chelate or metal salt is present in the marine coating composition at a concentration from about 0.1 wt. % to about 25 wt. %. 13. The marine coating composition of claim 1, wherein the metal chelate or metal salt is present in the marine coating composition at a concentration from about 1 wt. % to about 10 wt. %. 14. The marine coating composition of claim 1, wherein a mean particle size of the metal chelate or metal salt is from about 0.5 μm to about 600 μm. 15. The marine coating composition of claim 1, wherein a mean particle size of the metal chelate or metal salt is from about 300 to about 500 μm. 16. The marine coating composition of claim 1, wherein a mean particle size of the metal chelate or metal salt is from about 0.5 μm to about 25 μm. 17. The marine coating composition of claim 1, wherein the organic vehicle is selected from the group consisting of resins, diluents and combinations thereof. 18. The marine coating composition of claim 17, wherein the resin is selected from the group consisting of natural resins, synthetic resins and combinations thereof. 19. The marine coating composition of claim 17, wherein the resin is selected from the group consisting of acrylic resins, copolymers of vinyl chloride, vinyl isobutyl ether, carboxylic acid functional polymers, vinyl resins, alkyd resins, epoxy resins, acrylic resins, polyurethane resins, polyester resins, vinyl acrylic resins, vinyl esters and combinations thereof. 20. The marine coating composition of claim 1, wherein the organic vehicle is a resin selected from the group consisting of self-polishing copolymer resins, ablative resins, leaching resins and combinations thereof. 21. The marine coating composition of claim 1, wherein the organic vehicle is a diluent selected from the group consisting of alcohols, aliphatic, cycloaliphatic and aromatic hydrocarbons, ketones, ether alcohols, esters, chlorinated hydrocarbons and combinations thereof. 22. The marine coating composition of claim 21, wherein the diluent is selected from the group consisting of methanol, ethanol, propanol, isopropanol, butanol, isobutanol, benzyl alcohol, white spirit, cyclohexane, toluene, xylene, naphthalene, methyl ethyl ketone, acetone, methyl isobutyl ketone, methyl isoamyl ketone, diacetone alcohol, cyclohexanone, 2-butoxyethanol, propylene glycol monomethyl ether, butyl diglycol, methoxypropyl acetate, n-butyl acetate, 2-ethoxyethyl acetate, methylene chloride, tetrachloroethane, trichloroethylene and combinations thereof. 23. The marine coating composition of claim 1, wherein the composition further comprises an additive selected from the group consisting of swelling agents, pigments, wetting agents, fillers and combinations thereof. 24. The marine coating composition of claim 23, comprising an organic vehicle comprising a resin and a diluent; the resin selected from the group consisting of rosins, acrylic resins, copolymers of vinyl chloride, vinyl isobutyl ether, carboxylic acid functional polymers, vinyl resins, alkyd resins, epoxy resins, acrylic resins, polyurethane resins, polyester resins, vinyl acrylic resins, vinyl esters and combinations thereof; the diluent selected from the group consisting of alcohols, aliphatic, cycloaliphatic and aromatic hydrocarbons, ketones, ether alcohols, esters, chlorinated hydrocarbons and combinations thereof; an additive selected from the group consisting of pigments, fillers, swelling agents, wetting agents, biocides and combinations thereof; and an antifouling agent comprising zinc ions complexed with 2-hydroxy-4-methylthiobutanoic acid. 25. The marine coating composition of claim 24, wherein the diluent is selected from the group consisting of methanol, ethanol, propanol, isopropanol, butanol, isobutanol, benzyl alcohol, white spirit, cyclohexane, toluene, xylene, naphthalene, methyl ethyl ketone, acetone, methyl isobutyl ketone, methyl isoamyl ketone, diacetone alcohol, cyclohexanone, 2-butoxyethanol, propylene glycol monomethyl ether, butyl diglycol, methoxypropyl acetate, n-butyl acetate, 2-ethoxyethyl acetate, methylene chloride, tetrachloroethane, trichloroethylene and combinations thereof. 26. The marine coating composition of claim 24, wherein the concentration of the resin is from about 10 wt. % to about 35 wt. %, the concentration of the additive is from about 30 wt. % to about 60 wt. %, the concentration of the diluent is from about 15 wt. % to about 50 wt. %, and the concentration of the antifouling agent is from about 0.1 wt. % to about 10 wt. %. 27. The marine coating composition of claim 1, further comprising copper nitrate. 28. The marine coating composition of claim 1, further comprising a substituted 1,2-dihydroquinoline compound comprising Formula (II): wherein: R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and an alkyl group having from 1 to about 6 carbons; and R5 is an alkoxy group having from 1 to about 12 carbons. 29. The marine coating of claim 28, wherein the substituted 1,2-dihydroquinolin comprises a compound wherein: R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and an alkyl group having from 1 to about 4 carbons; and R5 is an alkoxy group having from 1 to about 4 carbons. 30. The marine coating composition of claim 28, wherein the substituted 1,2-dihydroquinoline is 6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline. 31. The marine coating composition of claim 1, further comprising a metal chelate comprised of metal ions selected from the group consisting of zinc ions, copper ions, manganese ions, iron ions, chromium ions, silver ions, cobalt ions, calcium ions and combinations thereof; and an amino acid ligand selected from the group comprising alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, and valine or their hydroxy analogs. 32. The marine coating composition of claim 1, further comprising a marine paint. 33. A method for inhibiting fouling of a marine structure, the method comprising applying a marine coating composition comprising an antifouling agent and an organic vehicle to the marine structure, the antifouling agent comprising a metal chelate or a metal salt, the metal chelate comprising metal ions and ligands wherein a compound of formula 1 is a source of the ligands, the metal salt comprising metal ions and anions wherein a compound of formula 1 is a source of said anions, the compound of formula 1 comprising: wherein: n is an integer from 0 to 2; R1 is methyl or ethyl; and R2 is selected from the group consisting of hydroxyl and amino. 34. The method of claim 33, wherein the antifouling agent comprises a metal chelate having an average ligand to metal ion ratio of about 2:1. 35. The method of claim 33, wherein the antifouling agent comprises a metal salt having an average anion to metal ion ratio of about 1:1. 36. The method of claim 33, wherein the metal ions are selected from the group consisting of zinc ions, copper ions, manganese ions, iron ions, chromium ions, silver ions, cobalt ions, calcium ions and combinations thereof. 37. The method of claim 33, wherein the metal ions comprise zinc ions. 38. The method of claim 33, wherein the metal ions comprise copper ions. 39. The method of claim 33, wherein n is 2, R1 is methyl and R2 is hydroxyl. 40. The method of claim 39, wherein the metal ions comprise zinc ions. 41. The method of claim 39, wherein the metal ions comprise copper ions. 42. The method of claim 33, wherein the marine coating composition further comprises another biocidal agent selected from the group consisting of copper isothiocyanate, N'-tert-butyl-N-cyclopropyl-6-(methylthio)-1,3,5-triazine-2,4-diamine, N-dichlorofluoromethylthio-N',N'-dimethyl-N-phenylsulfamide, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, 2-(thiocyanomethylthio) benzothiazole, tributyultin methacrylate copolymer, tributyltin oxide and combinations thereof. 43. The method of claim 33, wherein the marine coating composition further comprises copper nitrate. 44. The method of claim 33, wherein the marine coating composition further comprises a substituted 1,2-dihydroquinoline compound comprising Formula (II): wherein: R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and an alkyl group having from 1 to about 6 carbons; and R5 is an alkoxy group having from 1 to about 12 carbons. 45. The method of claim 44, wherein the substituted 1,2-dihydroquinoline comprises a compound wherein: R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and an alkyl group having from 1 to about 4 carbons; and R5 is an alkoxy group having from 1 to about 4 carbons. 46. The method of claim 44, wherein the substituted 1,2-dihydroquinoline is 6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline. 47. The method of claim 33, wherein the marine coating composition further comprises a metal chelate comprised of metal ions selected from the group consisting of zinc ions, copper ions, manganese ions, iron ions, chromium ions, silver ions, cobalt ions, calcium ions and combinations thereof; and an amino acid ligand selected from the group comprising alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, and valine or their hydroxy analogs. 48. The method of claim 33, wherein the metal chelate or metal salt is present in the antifouling marine coating composition at a concentration of from about 0.05 wt. % to about 50 wt. %. 49. The method of claim 33, wherein the metal chelate or metal salt is present in the marine coating marine coating composition at a concentration of from about 0.1 wt. % to about 25 wt. %. 50. The method of claim 33, wherein said metal chelate or metal salt is present in said marine coating marine coating composition at a concentration of from about 1 wt. % to about 10 wt. %. 51. The method of claim 33, wherein a mean particle size of the metal chelate or metal salt is from about 0.5 μm to about 600 μm. 52. The method of claim 33, wherein a mean particle size of the metal chelate or metal salt is from about 300 to about 500 μm. 53. The method of claim 33, wherein a mean particle size of the metal chelate or metal salt is from about 0.5 μm to about 25 μm. 54. The method of claim 33, wherein the marine structure is selected from the group consisting of ship hulls, boat hulls, submarine hulls, propellers, rudders, keels, centerboards, fins, hydrofoils, deck surfaces, buoys, piers, wharves, jetties, fishing nets, cooling system surfaces, cooling water intake or discharge pipes, nautical beacons, floating beacons, floating breakwaters, docks, pipes, pipelines, tanks, water pipes in power stations, seaside industrial plants, fish preserving structures, aquatic constructions, port facilities, bridges, bells, plumbs, wheels, cranes, dredges, pumps, valves, wires, cables, ropes, ladders, pontoons, transponders, antennae, barges, periscopes, snorkels, gun mounts, gun barrels, launch tubes, mines, torpedoes and depth charges. 55. The method of claim 54, wherein the submersible marine structure comprises a ship hull. 56. The method of claim 33, wherein the antifouling agent inhibits fouling by an organism selected from the group consisting of barnacles, Balanus amphitrite Darwin, Zebra mussels, tubeworms, and oysters. 57. The method of claim 33, wherein the antifouling agent inhibits fouling by an organism selected from the group consisting of algae, bacteria, and a biofilm. 58. The method of claim 33, wherein the organic vehicle is selected from the group consisting of resins and diluents. 59. The method of claim 33, wherein the marine coating composition comprises paint. 60. A marine structure, the marine structure comprising a structural element and a marine coating, the marine coating comprising an antifouling agent and a resin, the antifouling agent comprising a metal chelate or a metal salt, the metal chelate comprising metal ions and ligands wherein a compound of formula 1 is a source of the ligands, the metal salt comprising metal ions and anions wherein a compound of formula 1 is a source of the anions, the compound of formula 1 comprising: wherein n is an integer from 0 to 2; R1 is methyl or ethyl; and R2 is selected from the group consisting of hydroxyl and amino. 61. The marine structure of claim 60, comprising a metal chelate wherein the average ligand to metal ion ratio is about 2:1. 62. The marine structure of claim 60, comprising a metal salt wherein the average anion to metal ion ratio is about 1:1. 63. The marine structure of claim 60, wherein the metal ions are selected from the group consisting of zinc ions, copper ions, manganese ions, iron ions, chromium ions, silver ions, cobalt ions, calcium ions and combinations thereof. 64. The marine structure of claim 60, wherein the metal ions comprise zinc ions. 65. The marine structure of claim 60, wherein the metal ions comprise copper ions. 66. The marine structure of claim 60, wherein R1 is methyl, n is 2 and R2 is hydroxyl. 67. The marine structure of claim 66, wherein the metal ions comprise zinc ions. 68. The marine structure of claim 66, wherein the metal ions comprise copper ions. 69. The marine structure of claim 60, wherein the marine coating further comprises another biocidal agent selected from the group consisting of copper isothiocyanate, N'-tert-butyl-N-cyclopropyl-6-(methylthio)-1,3,5-triazine-2,4-diamine, N-dichlorofluoromethylthio-N',N'-dimethyl-N-phenylsulfamide, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, 2-(thiocyanomethylthio) benzothiazole, tributyultin methacrylate copolymer, tributyltin oxide and combinations thereof. 70. The marine structure of claim 60, wherein the marine coating further comprises copper nitrate. 71. The marine structure of claim 60, wherein the marine coating further comprises a substituted 1,2-dihydroquinoline compound comprising Formula (II): wherein: R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and an alkyl group having from 1 to about 6 carbons; and R5 is an alkoxy group having from 1 to about 12 carbons. 72. The marine structure of claim 71, wherein the substituted 1,2-dihydroquinoline comprises a compound wherein: R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and an alkyl group having from 1 to about 4 carbons; and R5 is an alkoxy group having from 1 to about 4 carbons. 73. The marine structure of claim 71, wherein the substituted 1,2-dihydroquinoline is 6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline. 74. The marine structure of claim 60, wherein the marine coating further comprises a metal chelate comprised of metal ions selected from the group consisting of zinc ions, copper ions, manganese ions, iron ions, chromium ions, silver ions, cobalt ions, calcium ions and combinations thereof; and an amino acid ligand selected from the group comprising alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, and valine or their hydroxy analogs. 75. The marine structure of claim 60, wherein a mean particle size of the metal chelate or metal salt is from about 0.5 μm to about 600 μm. 76. The marine structure of claim 60, wherein a mean particle size of the metal chelate or metal salt is from about 300 to about 500 μm. 77. The marine structure of claim 60, wherein a mean particle size of the metal chelate or metal salt is from about 0.5 μm to about 25 μm. 78. The marine structure of claim 60, wherein the marine coating is disposed on a surface of the structural element and/or contained in pores of the structural element. 79. The marine structure of claim 60, wherein the metal chelate or metal salt is present in the marine coating at a concentration of from about 0.07 wt. % to about 70 wt. % solids weight. 80. The marine structure of claim 60, wherein the metal chelate or metal salt is present in the marine coating at a concentration of from about 0.15 wt. % to about 35 wt. % solids weight. 81. The marine structure of claim 60, wherein said metal chelate or metal salt is present in the marine coating at a concentration of from about 0.15 wt. % to about 15 wt. % solids weight. 82. The marine structure of claim 60, wherein the resin is selected from the group consisting of natural resins, synthetic resins and combinations thereof. 83. The marine structure of claim 60, wherein the resin is selected from the group consisting of rosins, acrylic resins, copolymers of vinyl chloride, vinyl isobutyl ether, carboxylic acid functional polymers, vinyl resins, alkyd resins, epoxy resins, acrylic resins, polyurethane resins, polyester resins, vinyl acrylic resins, vinyl esters and combinations thereof. 84. The marine structure of claim 60, wherein the resin is selected from the group consisting of self-polishing copolymer resins, ablative resins, leaching resins and combinations thereof. 85. The marine structure of claim 60, wherein the structural element is selected from the group consisting of ship hulls, boat hulls, submarine hulls, propellers, rudders, keels, centerboards, fins, hydrofoils, deck surfaces, buoys, piers, wharves, jetties, fishing nets, cooling system surfaces, cooling water intake or discharge pipes, nautical beacons, floating beacons, floating breakwaters, docks, pipes, pipelines, tanks, water pipes in power stations, seaside industrial plants, fish preserving structures, aquatic constructions, port facilities, bridges, bells, plumbs, wheels, cranes, dredges, pumps, valves, wires, cables, ropes, ladders, pontoons, transponders, antennae, barges, periscopes, snorkels, gun mounts, gun barrels, launch tubes, mines, torpedoes and depth charges. 86. A marine coating composition, the composition comprising an antifouling agent and an organic vehicle, the antifouling agent comprising a metal chelate comprised of metal ions selected from the group consisting of zinc ions, copper ions, manganese ions, iron ions, chromium ions, silver ions, cobalt ions, and calcium ions; and an amino acid ligand selected from the group consisting of alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, and valine or their hydroxy analogs. 87. The marine coating composition of claim 86, wherein the metal ions are zinc ions or copper ions.
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이 특허에 인용된 특허 (13)
Abdel-Monem Mahmoud M. (Minneapolis MN), 1:1 Zinc methionine complexes.
Ashmead Harvey H. (Kaysville UT) Ashmead H. Dewayne (Fruit Heights UT) Graff Darrell J. (Ogden UT), Amino acid chelated compositions for delivery to specific biological tissue sites.
Hsu, Yung C.; Blackburn, Thomas F.; Pellegrin, Paul F.; Kranz, Allen H.; Willock, James M., Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or salts thereof.
Jiang, Shaoyi; Brault, Jr., Norman David; Sundaram, Harihara S.; Huang, Chun-Jen; Yu, Qiuming; Li, Yuting, Hierarchical films having ultra low fouling and high recognition element loading properties.
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