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| Number | Title | Issue Date |
| 5114647 | Effervescent tablets having increased disintegration rates A method for producing sanitizing compositions in compressed form which includes: a) admixing an alkali metal carbonate with a solid water soluble aliphatic carboxylic acid to form an acidic mixture, b) compressing the acidic mixture to produce a compressed fo... | 05/19/1992 |
| 5106465 | Electrochemical process for producing chlorine dioxide solutions from chlorites A process for electrolytically producing an aqueous solution of chlorine dioxide in an electrolytic cell having an anode compartment, a cathode compartment, and at least one ion exchange compartment between the anode compartment and the cathode compartmen... | 04/21/1992 |
| 5102648 | Process for the production of lithium hypochloride A process for producing lithium hypochlorite which admixes an aqueous hypochlorous acid solution, having a concentration of 35 percent or greater by weight of HOCl, with an aqueous slurry of lithium hydroxide at a temperature in the range of from about 0Â... | 04/07/1992 |
| 5098679 | Purification of alkali metal hydrosulfite solutions A process for treating an alkali metal hydrosulfite solution which comprises contacting the alkali metal hydrosulfite solution with aluminum in a reaction mixture, and admixing carbon dioxide gas with the reaction mixture to remove dissolved aluminum as a... | 03/24/1992 |
| 5092970 | Electrochemical process for producing chlorine dioxide solutions from chlorites A process for electrolytically producing an aqueous solution of chlorine dioxide in an electrolytic cell having an anode compartment, a cathode compartment, and at least one ion exchange compartment between the anode compartment and the cathode compartmen... | 03/03/1992 |
| 5091165 | Calcium hypochlorite product A calcium hypochlorite composition consists essentially of at least 75 percent by weight of Ca(OCl)2, from about 6 to about 14 percent by weight of water, and less than 1.5 percent by weight of an alkali metal chloride. The novel composition pr... | 02/25/1992 |
| 5089095 | Electrochemical process for producing chlorine dioxide from chloric acid A process for producing chlorine dioxide by oxidizing a hypochlorous acid solution to produce a chloric acid solution, and, electrolyzing the chloric acid solution to produce chlorine dioxide. The novel process of the present invention provides a commercially ... | 02/18/1992 |
| 5084148 | Electrochemical process for producing chloric acid - alkali metal chlorate mixtures A process for electrolytically producing an aqueous solution of chloric acid and alkali metal chlorate in an electrolytic cell having an anode compartment, a cathode compartment, and at least one ion exchange compartment between the anode compartment and ... | 01/28/1992 |
| 5066416 | Process for producing moldable detergents having a stable available chlorine concentration A moldable detergent having a stable available halogen concentration suitable for use in industrial and institutional dishwashers is produced in a process which comprises: admixing an alkali metal polyphosphate compound, an alkali metal silicate compound,... | 11/19/1991 |
| 5062966 | Process for decomposing solutions of hydroxylammonium salts A process for decomposing a solution of a hydroxylammonium compound includes raising the pH of the solution to about 8 or higher and reacting the alkaline solution with a source of hypohalite ions. The process decomposes solutions of hydroxylammonium salt... | 11/05/1991 |
| 5055285 | Process for the production of highly pure concentrated solutions of potassium hypochlorite A process for producing potassium hypochlorite solutions by admixing a hypochlorous acid solution having a concentration of 35 percent or greater by weight of HOCl with an aqueous slurry of potassium hydroxide containing 35 percent by weight or greater of... | 10/08/1991 |
| 5037627 | Hypochlorous acid process A process for producing hypochlorous acid by reacting an aqueous solution of an alkali metal hydroxide in droplet form with gaseous chlorine to produce hypochlorous acid vapor and solid alkali metal chloride particles in which the improvement comprises em... | 08/06/1991 |
| 5035775 | Ultrapure hydrazine production A process for producing hydrazine containing at least 98 percent by weight of N2 H4 which admixes an aqueous solution of hydrazine with an alkali metal hydroxide to form a hydrazine solution having a N2 H4 conce... | 07/30/1991 |
| 5034202 | Removal of thiosulfate from hydrosulfite solutions A process for treating an alkali metal hydrosulfite solution which comprises contacting the alkali metal hydrosulfite solution, having a residual alkalinity of from about 1 to about 20 grams per liter of hydroxide ion, with aluminum. The process of the in... | 07/23/1991 |
| 5028408 | Process for the production of lithium hypochlorite A process for producing lithium hypochlorite comprises admixing an aqueous hypochlorous acid solution having a concentration of 35 percent of greater by weight of HOCl with an aqueous slurry of lithium hydroxide at a temperature in the range of from about... | 07/02/1991 |
| 5023008 | Anti-microbial composition containing aliphatic polygycidol adducts Novel nonionic antimicrobial amine glycidol compounds which may be used in cleaning compositions with anionics, nonionics or cationic surfactants as cleaning agents or a preservative in water-based functional fluids or surface coating compositions are rep... | 06/11/1991 |
| 5021164 | Oxidized activated carbon and its use in removal of aromatic compounds from aqueous solutions Aromatic hydrocarbons are readily recovered from aqueous solutions by contacting the aqueous solution with an oxidized activated carbon having a low concentration of acidic oxides. The novel oxidized activated carbon is produced by contacting activated ca... | 06/04/1991 |
| 5006327 | Alkali metal hydrosulfite solutions An aqueous solution comprising alkali metal hydrosulfite and hydroxide ions in an amount to provide a residual alkalinity of at least 0.25 moles per liter results in the decomposition of thiosulfate ions present and inhibits their formation during storage... | 04/09/1991 |
| 5004549 | Method for inhibiting scale formation using calcium hypochlorite compositions A solid calcium hypochlorite composition contains hydrated calcium hypochlorite and an alkali metal salt of phosphonobutane polycarboxylic acid having an available chlorine concentration of at least 50 percent by weight and a water content of at least 4 p... | 04/02/1991 |
| 4999434 | Process for low chloride 1,2,4-triazol-5-one A process for producing 1,2,4-triazol-5-one comprises reacting a semicarbazide compound with a formic acid compound formylating agent in the presence of a catalytic amount of a sulfur-oxygen containing acid. The process is able to produce 1,2,4-triazol-5-one f... | 03/12/1991 |
| 4992147 | Electrochemical process for producing hydrosulfite solutions A process for electrolyzing an aqueous catholyte solution comprising an alkali meal bisulfite to produce an alkali metal hydrosulfite in an electrolytic membrane cell having a cation exchange membrane separating a cathode compartment from an anode compart... | 02/12/1991 |
| 4963674 | Purification of cyanuric acid A process for the purification of crude cyanuric acid containing aminotriazine compounds as impurities which comprises digesting the crude cyanuric acid in an aqueous solution containing low concentrations of a mineral acid. The mineral acid is, for examp... | 10/16/1990 |
| 4927940 | Process for low chloride 1,2,4-triazol-5-one A process for producing 1,2,4-triazol-5-one reacts an aqueous hydrazine solution with urea to form a reaction mixture of semicarbazide and ammonia, the reaction mixture is concentrated and an aqueous solution of a mineral acid added to form a slurry of a ... | 05/22/1990 |
| 4921965 | Method of producing alkyl substituted 5-amidotetrazoles In a process for the production of Alkyl substituted 5-amidotetrazole compounds represented by the formula: ##STR1## wherein A represents NHX or NRR' X represents a lower alkyl group R represents a lower alkyl group, and R' represents a lower alkyl group.... | 05/01/1990 |
| 4919791 | Controlled operation of high current density oxygen consuming cathode cells to prevent hydrogen formation A process for the electrolysis of an alkali metal halide brine is operated in an electrolytic cell having an anode compartment containing at least one anode, a cathode compartment containing at least one cathode, and a cation exchange membrane separating ... | 04/24/1990 |
| 4909956 | Chlorine bleach compositions with reduced fabric dye attack Chlorine bleaching granules for colored fabrics which minimize fabric dye attach and fabric damage. This is accomplished in a bleaching granule for preventing dye attack of fabrics during bleaching, the granule comprising an alkali metal chloroisocyanurat... | 03/20/1990 |
