Antimicrobial water softener salt and solutions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C02F-005/02
C02F-005/00
출원번호
UP-0303260
(2005-12-15)
등록번호
US-7588696
(2009-09-24)
발명자
/ 주소
Koefod, Robert Scott
출원인 / 주소
Cargill, Incorporated
대리인 / 주소
Perkins Coie LLP
인용정보
피인용 횟수 :
5인용 특허 :
57
초록▼
One embodiment of the present invention is a method of regenerating an ion exchange medium having a bacterial population, comprising dissolving a salt formulation in water to create a brine and passing the brine through the ion exchange medium during a regenerating cycle, wherein the salt formulatio
One embodiment of the present invention is a method of regenerating an ion exchange medium having a bacterial population, comprising dissolving a salt formulation in water to create a brine and passing the brine through the ion exchange medium during a regenerating cycle, wherein the salt formulation comprises a food-grade acid, at least about 100 ppm of a food-grade surfactant, and at least about 90 wt. % of an inorganic, water-soluble salt of sodium, potassium, or sodium and potassium and wherein the acid and the surfactant are present in the brine in an amount efficacious to kill at least about 65% of gram negative bacteria in the bacterial population as a result of the regenerating cycle.
대표청구항▼
I claim: 1. An antimicrobial water softening composition, comprising: about 100-25,000 ppm of at least one surfactant selected from the group consisting of sodium lauryl sulfate, linear alkylbenzene sulfonates, alcohol sulfates, alpha-olefin sulfonates, alcohol ethoxylates, nonylphenyl ethoxylates,
I claim: 1. An antimicrobial water softening composition, comprising: about 100-25,000 ppm of at least one surfactant selected from the group consisting of sodium lauryl sulfate, linear alkylbenzene sulfonates, alcohol sulfates, alpha-olefin sulfonates, alcohol ethoxylates, nonylphenyl ethoxylates, alkylpolyglucosides, fatty alkanoamides, fatty amine oxides, sodium dioctylsulfosuccinate, dodecylbenzene sulfonic acid and salts thereof; the sodium salt of sulfonated oleic acid, sodium dodecylbenzene sulfonate, dodecyldiphenyloxide disulfonic acid and salts thereof; about 0.3-25 weight percent (wt. %) of at least one acid selected from the group consisting of citric, malic, acetic, propionic, lactic, benzoic, ascorbic, isoascorbic, sorbic, phosphoric, hydrochloric, nitric, malic, tartaric, adipic, succinic, glutaric, salicylic, and sulfuric acids and sodium bisulfate; and about 75-99.7 wt. % of at least one inorganic salt selected from the group consisting of sodium chloride or potassium chloride. 2. An antimicrobial water softening composition, comprising: about 100-25,000 ppm of at least one surfactant selected from the group consisting of sodium lauryl sulfate, linear alkylbenzene sulfonates, alcohol sulfates, alpha-olefin sulfonates, alcohol ethoxylates, nonylphenyl ethoxylates, alkylpolyglucosides, fatty alkanoamides, fatty amine oxides, sodium dioctylsulfosuccinate, dodecylbenzene sulfonic acid and salts thereof: the sodium salt of sulfonated oleic acid, sodium dodecylbenzene sulfonate, dodecyldiphenyloxide disulfonic acid and salts thereof; about 0.3-25 weight percent (wt. %) of acid, wherein the acid comprises at least about 0.1 wt. % phosphoric acid and at least about 0.3 wt. % of an acid selected from the group consisting of citric and malic acids; and about 75-99.7 wt. % of at least one inorganic salt selected from the group consisting of sodium, potassium, magnesium, calcium, iron, and ammonium salts of chloride, sulfate, nitrate, phosphate, carbonate, and hydroxide. 3. An antimicrobial water softening composition, comprising: about 100-25,000 ppm of at least one surfactant, wherein the surfactant comprises sodium lauryl sulfate; about 0.3-25 weight percent (wt. %) of at least one acid selected from the group consisting of citric, malic, acetic, propionic, lactic, benzoic, ascorbic, isoascorbic, sorbic, phosphoric, hydrochloric, nitric, malic, tartaric, adipic, succinic, glutaric, salicylic, and sulfuric acids and sodium bisulfate; and about 75-99.7 wt. % of at least one inorganic salt selected from the group consisting of sodium, potassium, magnesium, calcium, iron, and ammonium salts of chloride, sulfate, nitrate, phosphate, carbonate, and hydroxide. 4. An antimicrobial water softening composition, comprising: about 100-25,000 ppm of at least one surfactant selected from the group consisting of sodium lauryl sulfate, linear alkylbenzene sulfonates, alcohol sulfates, alpha-olefin sulfonates, alcohol ethoxylates, nonylphenyl ethoxylates, alkylpolyglucosides, fatty alkanoamides, fatty amine oxides, sodium dioctylsulfosuccinate, dodecylbenzene sulfonic acid and salts thereof: the sodium salt of sulfonated oleic acid, sodium dodecylbenzene sulfonate, dodecyldiphenyloxide disulfonic acid and salts thereof; about 0.3-25 weight percent (wt. %) of at least one acid selected from the group consisting of citric, malic, acetic, propionic, lactic, benzoic, ascorbic, isoascorbic, sorbic, phosphoric, hydrochloric, nitric, malic, tartaric, adipic, succinic, glutaric, salicylic, and sulfuric acids and sodium bisulfate; about 75-99.7 wt. % of at least one inorganic salt selected from the group consisting of sodium, potassium, magnesium, calcium, iron, and ammonium salts of chloride, sulfate, nitrate, phosphate, carbonate, and hydroxide; and a food-grade scent compound. 5. An antimicrobial water softening composition for use in regenerating an ion exchange medium, comprising: about 0.3-6 wt. % citric acid, malic acid, or a combination of citric acid and malic acid; about 100-500 ppm sodium lauryl sulfate; and about 94-99.7 wt. % sodium chloride, potassium chloride, or a combination of sodium chloride and potassium chloride. 6. The antimicrobial water softening composition of claim 5 wherein the salt comprises salt pellets. 7. The composition of claim 1 further comprising a food-grade scent compound. 8. The composition of claim 1 wherein the acid further comprises at least about 0.1 wt. % phosphoric acid and at least about 0.3 wt. % of an acid selected from the group consisting of citric and malic acids. 9. The composition of claim 1 wherein the surfactant comprises sodium lauryl sulfate. 10. The composition of claim 2 further comprising a food-grade scent compound. 11. The composition of claim 2 wherein the surfactant comprises sodium lauryl sulfate. 12. The composition of claim 2 wherein the salt comprises sodium chloride or potassium chloride. 13. The composition of claim 3 further comprising a food-grade scent compound. 14. The composition of claim 3 wherein the acid further comprises at least about 0.1 wt. % phosphoric acid and at least about 0.3 wt. % of an acid selected from the group consisting of citric and malic acids. 15. The composition of claim 3 wherein the salt comprises sodium chloride or potassium chloride. 16. The composition of claim 4 wherein the acid further comprises at least about 0.1 wt. % phosphoric acid and at least about 0.3 wt. % of an acid selected from the group consisting of citric and malic acids. 17. The composition of claim 4 wherein the surfactant comprises sodium lauryl sulfate. 18. The composition of claim 4 wherein the salt comprises sodium chloride or potassium chloride. 19. The composition of claim 5 further comprising a food-grade scent compound. 20. The composition of claim 6 further comprising a food-grade scent compound.
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