# US 2017/0280727 A1 · Acid Tablet Composition and Methods of Preparing and Using the Same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0280727 A1 - Document ID: US20170280727A1 - Status: Published application - Kind: A1 - Application number: 15/469,998 - Filed: 2017-03-27 - Published: 2017-10-05 - Earliest claimed: 2016-04-01 - Assignees: Axiall Ohio, Inc. - Applicants: Axiall Ohio, Inc. - Inventors: Christopher M. Kareis - Web page: https://patentgrep.com/patent/US20170280727A1 ## CPC - A01N 59/02: Sulfur; Selenium; Tellurium; Compounds thereof - A01N 25/34: Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group - A01N 37/02: Saturated carboxylic acids or thio analogues thereof; Derivatives thereof - A23B 7/10: Preserving with acids; Acid fermentation - A61L 2/18: Liquid substances - C02F 1/008: {Control or steering systems not provided for elsewhere in subclass C02F} - C02F 1/66: by neutralisation; pH adjustment (for degassing C02F1/20; using ion-exchange C02F1/42; for flocculation or precipitation of suspended impurities C02F1/52; for removing dissolved compounds C02F1/58) - C02F 1/68: by addition of specified substances, e.g. trace elements, for ameliorating potable water (medicinal water A61K) - A23V 2002/00: Food compositions, function of food ingredients or processes for food or foodstuffs - C02F 2103/02: Non-contaminated water, e.g. for industrial water supply - C02F 2209/06: pH - C02F 2303/04: Disinfection - A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS - A23B: PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) - A23V: INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION ## Abstract Compositions, tablets, prills and granules are provided including (a) about 95 to about 99.999 weight percent of at least one alkali metal hydrogen sulfate; and (b) about 0.001 to less than 0.08 weight percent of at least one alkali metal salt of a fatty carboxylic acid and/or at least one alkaline earth metal salt of a fatty carboxylic acid; wherein the composition includes less than 1 weight percent of chlorite and/or hypochlorite and less than 1 weight percent of alkali metal salt and/or alkaline earth metal salt that is chemically different from the at least one alkali metal hydrogen sulfate, the at least one alkali metal salt of a fatty carboxylic acid and the at least one alkaline earth metal salt of a fatty carboxylic acid, on a basis of total weight of the composition. Methods of use also are provided. ## Claims ### Claim 1 A composition comprising: (a) about 95 to about 99.999 weight percent of at least one alkali metal hydrogen sulfate; and (b) about 0.001 to less than 0.08 weight percent of at least one alkali metal salt of a fatty carboxylic acid and/or at least one alkaline earth metal salt of a fatty carboxylic acid on a basis of total weight of the composition; wherein the composition comprises less than 1 weight percent of chlorite and/or hypochlorite on a basis of total weight of the composition and less than 1 weight percent on a basis of total weight of the composition of alkali metal salt and/or alkaline earth metal salt that is chemically different from the at least one alkali metal hydrogen sulfate, the at least one alkali metal salt of a fatty carboxylic acid and the at least one alkaline earth metal salt of a fatty carboxylic acid. ### Claim 2 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal hydrogen sulfate comprises alkali metal hydrogen sulfate anhydrous. ### Claim 3 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal hydrogen sulfate consists of alkali metal hydrogen sulfate anhydrous. ### Claim 4 (depends on 2) The composition according to claim 2, wherein the alkali metal hydrogen sulfate anhydrous contains water in an amount of about 0 percent by weight to about 1 percent by weight, based upon total weight of the alkali metal hydrogen sulfate anhydrous present in the composition. ### Claim 5 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal hydrogen sulfate is prilled. ### Claim 6 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal hydrogen sulfate is present in an amount of from about 99 percent by weight to about 99.999 percent by weight on a basis of total weight of the composition. ### Claim 7 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal salt of a fatty carboxylic acid comprises an alkali metal selected from the group consisting of lithium, sodium and potassium. ### Claim 8 (depends on 1) The composition according to claim 1, wherein the at least one alkaline earth metal salt of a fatty carboxylic acid comprises an alkaline earth metal selected from the group consisting of magnesium, calcium and barium. ### Claim 9 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal salt of a fatty carboxylic acid and/or the at least one alkaline earth metal salt of a fatty carboxylic acid is prepared from a fatty carboxylic acid having from 6 to 24 carbon atoms. ### Claim 10 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal salt of a fatty carboxylic acid and/or the at least one alkaline earth metal salt of a fatty carboxylic acid is prepared from a fatty carboxylic acid selected from the group consisting of lauric acid (dodecanoic acid), tridecylic acid (tridecanoic acid), myristic acid (tetradecanoic acid), pentadecylic acid (pentadecanoic acid), palmitic acid (hexadecanoic acid), margaric acid (heptadecanoic acid), stearic acid (octadecanoic acid), nonadecylic acid (nonadecanoic acid), arachidic acid (eicosanoic acid) and mixtures thereof. ### Claim 11 (depends on 1) The composition according to claim 1, wherein the at least one alkaline earth metal salt of a fatty carboxylic acid is magnesium stearate and/or calcium stearate. ### Claim 12 (depends on 1) The composition according to claim 1, wherein the at least one alkaline earth metal salt of a fatty carboxylic acid is magnesium stearate. ### Claim 13 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal salt of a fatty carboxylic acid and/or the at least one alkaline earth metal salt of a fatty carboxylic acid (b) is present in an amount of from about 0.001 weight percent to about 0.04 weight percent on a basis of total weight of the composition. ### Claim 14 (depends on 1) The composition according to claim 1, wherein the at least one alkali metal salt of a fatty carboxylic acid and/or the at least one alkaline earth metal salt of a fatty carboxylic acid (b) is present in an amount of from about 0.02 weight percent to about 0.04 weight percent on a basis of total weight of the composition. ### Claim 15 (depends on 1) The composition according to claim 1, wherein the composition is free of chlorite and/or hypochlorite. ### Claim 16 (depends on 1) The composition according to claim 1, wherein the composition is free of alkali metal salt and/or alkaline earth metal salt that is chemically different from the at least one alkali metal hydrogen sulfate, the at least one alkali metal salt of a fatty carboxylic acid and the at least one alkaline earth metal salt of a fatty carboxylic acid. ### Claim 17 (depends on 1) The composition according to claim 1, wherein the composition comprises sodium hydrogen sulfate anhydrous and magnesium stearate, and optionally colorant. ### Claim 18 (depends on 1) The composition according to claim 1, wherein the composition consists of sodium hydrogen sulfate anhydrous, magnesium stearate and colorant. ### Claim 19 (depends on 1) The composition according to claim 1, wherein the composition consists of sodium hydrogen sulfate anhydrous and magnesium stearate. ### Claim 20 (depends on 1) The composition according to claim 1, further comprising a colorant selected from the group consisting of dyes, pigments, and combinations thereof. ### Claim 21 (depends on 20) The composition according to claim 20, wherein the colorant is a food grade colorant and is present in an amount of less than or equal to about 1 percent by weight, based on the total weight of the composition. ### Claim 22 (depends on 20) The composition according to claim 20, wherein the colorant comprises carmine. ### Claim 23 (depends on 1) The composition according to claim 1, wherein the composition is free of one or more polysaccharide binders, one or more polyvinylpyrrolidone binders, one or more polyvinyl acetate binders, and one or more polyalkylene glycol ether binders. ### Claim 24 (depends on 1) A tablet prepared from the composition according to claim 1. ### Claim 25 (depends on 24) The tablet according to claim 24, wherein the tablet has a density of about 1.8 g/cm3 to about 2.2 g/cm3. ### Claim 26 An acidification tablet for acidifying an aqueous solution consisting of at least one alkali metal hydrogen sulfate. ### Claim 27 An acidification tablet for acidifying an aqueous solution consisting of sodium bisulfate. ### Claim 28 (depends on 1) A method of forming a treated aqueous stream comprising: (a) contacting a feed aqueous stream with a composition according to claim 1, thereby forming a treated aqueous stream. ### Claim 29 (depends on 28) The method according to claim 28, wherein the treated aqueous stream has a pH that is lower than a pH of the feed aqueous stream. ### Claim 30 (depends on 28) The method according to claim 28, wherein the pH of the treated aqueous stream is less than or equal to 8. ### Claim 31 (depends on 26) A method of forming a treated aqueous stream comprising: (a) contacting a feed aqueous stream with a tablet according to claim 26, thereby forming a treated aqueous stream. ### Claim 32 (depends on 28) A treated aqueous stream prepared according to the method of claim 28. ### Claim 33 (depends on 31) A treated aqueous stream prepared according to the method of claim 31. ### Claim 34 (depends on 1) A method of forming a treated sanitizing aqueous stream comprising: (a) contacting a first feed aqueous stream with a composition according to claim 1, thereby forming a first treated aqueous stream; and (b) combining at least a portion of the first treated aqueous stream with a feed sanitizing aqueous stream comprising free available halogen, thereby forming a treated sanitizing aqueous stream comprising free available halogen. ### Claim 35 (depends on 34) The method according to claim 34, wherein the treated sanitizing aqueous stream comprises free available chlorine. ### Claim 36 (depends on 34) The method according to claim 34, wherein the treated sanitizing aqueous stream has a pH of about 6 to about 8. ### Claim 37 (depends on 34) The method according to claim 34, wherein the feed sanitizing stream is formed by contacting a second feed aqueous stream with a source of free available halogen. ### Claim 38 (depends on 34) The method according to claim 34, wherein the source of free available halogen is selected from the group consisting of calcium hypochlorite, sodium hypochlorite, potassium hypochlorite, lithium hypochlorite, chlorine gas, 1,3,5-trichloro-1,3,5-triazine-2,4,6-trione, 1-bromo-3-chloro-5 ,5-dimethylhydantoin and combinations thereof. ### Claim 39 (depends on 1) A method of sanitizing a surface comprising: (a) contacting a first feed aqueous stream with the composition according to claim 1, thereby forming a first treated aqueous stream; (b) combining at least a portion of the first treated aqueous stream with a feed sanitizing aqueous stream comprising free available halogen, thereby forming a treated sanitizing aqueous stream comprising free available halogen; and (c) applying the treated sanitizing aqueous stream to a surface to be sanitized. ### Claim 40 (depends on 39) The method according to claim 39, wherein the surface to be sanitized is selected from the group consisting of vegetable surfaces, fruit surfaces, equipment surfaces, animal carcass surfaces, and combinations thereof.