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| Number | Title | Issue Date |
| 5885413 | Deinking wastepaper containing electrostatic printed ink using branched alcohol alkoxylate surfactant A process for the deinking of wastepaper is disclosed. The process comprises administering a sufficient amount of a branched alcohol alkoxylate surfactant to a sample of waste paper for which treatment is desired. The surfactant is effective for the flota... | 03/23/1999 |
| 5871691 | Inhibition of corrosion in aqueous systems A method and compounds for inhibiting and controlling corrosion is disclosed. The method is particularly effective at inhibiting or preventing corrosion of ferrous-based metals in contact with aqueous systems such as cooling water systems. The method comp... | 02/16/1999 |
| 5866013 | Method for inhibiting scale and controlling corrosion in cooling water systems A method and composition for simultaneously controlling the deposition of scale and the formation of corrosion in a cooling water system comprising adding to the system a combination of (a) a water soluble copolymer having the structure: ##STR1## ... | 02/02/1999 |
| 5866011 | Method of controlling scale formation in brine concentration and evaporation system A method of treating water to inhibit the formation of salt scale is disclosed. The method is particularly effective at inhibiting the formation and deposition of mineral salts in brine concentration and evaporation systems. The method comprises introduci... | 02/02/1999 |
| 5843238 | Method and composition for enhancing the dewatering of starch A method and composition for enhancing the dewatering of starch are disclosed, the composition comprising a combination of a polyoxyethylene-polyoxypropylene (EO-PO) block copolymer and sodium lauryl sulfate.... | 12/01/1998 |
| 5840850 | Dewatering gluten with anionic surfactants Methods of enhancing the dewatering of gluten are disclosed. The methods comprise adding an anionic surfactant to the wet gluten prior to dewatering, as in vacuum dewatering equipment. Particularly effective surfactants are sulfates and sulfonates.... | 11/24/1998 |
| 5833881 | Composition for inhibiting deposits in the calcination of fluxed iron ore pellets A stable aqueous solution comprising a water soluble salt of a magnesium compound, a surfactant and a calcium salt inhibitor is used to reduce deposits in kilns or furnaces used to make iron ore agglomerates, known as pellets, during iron ore calcination.... | 11/10/1998 |
| 5789239 | Composition and process for the avoidance of slime formation and/or for the removal of biofilm in water-bearing systems The present invention relates to the use of at least one enzyme component from the group consisting of carbohydrases, proteases, lipases and glycol proteases and a short-chained glycol component for the avoidance of slime formation and/or for the removal ... | 08/04/1998 |
| 5788885 | Stabilization of magnesium hydroxide slurries A treatment for reducing viscosity and inhibiting settling of an aqueous 30% or higher by weight magnesium hydroxide slurry which comprises adding to the slurry an amount, effective for the purpose of a combination of an alkyl sulfosuccinate surfactant, a... | 08/04/1998 |
| 5777890 | Control of moisture addition to bulk solids In a material handling system in which a chemical treatment and water are added to a bulk solid, a method and apparatus for minimizing the amount of moisture added to the bulk solid while effectively controlling dust in the system. A moisture analyzing me... | 07/07/1998 |
| 5776535 | Treatments to reduce moisture in the dewatering of grain-based cellulosic materials A method of reducing the moisture content of an aqueous stream containing corn fiber during the removal of water from the corn fiber is disclosed, which comprises adding to the stream an effective amount of a polyglycerol ester surfactant.... | 07/07/1998 |
| 5763482 | Biocidal composition and use An antimicrobial composition and method for controlling the growth of microbes in an aqueous system is disclosed, the composition comprising an amount, effective for the purpose of a 2-bromo-2- (bromomethyl)-glutaronitrile and a quaternary ammonium compou... | 06/09/1998 |
| 5755971 | Inhibition of calcium oxalate scale in aqueous based solutions A method of inhibiting the precipitation and deposition of calcium oxalate scale in an aqueous system is disclosed, in which an effective amount of a combination of a high molecular weight lignosulfonate compound and a phosphate compound is added to the s... | 05/26/1998 |
| 5736058 | Method for inhibiting microbial adhesion on surfaces A method for inhibiting the microbial adhesion on surfaces in contact with an aqueous system is disclosed, which comprises adding to the system a treatment comprising an alkylsulfosuccinate surfactant.... | 04/07/1998 |
| 5736056 | Method for enhancing biocidal activity A treatment for enhancing the activity of biocidal compounds to control the growth of microbes in an aqueous system is disclosed, which comprises adding to said compounds an effective amount of an alkylsulfosuccinate surfactant.... | 04/07/1998 |
| 5705077 | Method of controlling fluoride scale formation in aqueous systems A method of treating water to inhibit the formation of fluoride salt scale is disclosed. The method is particularly effective at inhibiting the formation and deposition of fluoride containing salts in spray water cooling systems such as steel casting syst... | 01/06/1998 |
| 5693866 | Inhibitors of color formation in alkanolamines In the thermal processing of crude alkanolamines, a method of inhibiting color formation in the alkanolamines comprising adding an amount, effective for the purpose, of an alkali metal hydroxide or sulfite, or mixtures thereof.... | 12/02/1997 |
| 5693290 | Inhibition of corrosion in aqueous systems A method and composition for controlling corrosion of metals in contact with an aqueous system is disclosed, which method includes introducing into the aqueous system a sufficient amount of a substantially zinc-free treatment comprising a phosphate compou... | 12/02/1997 |
| 5681432 | Inhibition of organic deposition using additives to retard settling Methods for inhibiting organic fouling of heat transfer surfaces in contact with an alcohol distillation stream are discussed. The methods include adding to the alcohol distillation stream an effective inhibiting amount of a treatment including a high mol... | 10/28/1997 |
| 5662967 | Non-chromium passivation method for galvanized metal surfaces A non-chrome, substantially siloxane free composition and method for passivating a galvanized metal surface is disclosed. The passivation treatment includes an alkyl methacrylate polymer.... | 09/02/1997 |
| 5660683 | Process for deinking waste paper using a mixture of thiol ethoxylate and alcohol alkoxylates A process and composition for deinking waste paper is disclosed. The process comprises administering a sufficient amount of a mixture containing (a) an alcohol, randomly alkoxylated with a mixture of alkylene oxides to form a surfactant, (b) a thiol ethox... | 08/26/1997 |
| 5656062 | Method for inhibiting deposits in the calcination of fluxed iron ore pellets A stable aqueous solution comprising a water soluble salt of a magnesium compound is used to reduce deposits in kilns or furnaces used to make iron ore agglomerates, known as pellets, during iron ore calcination.... | 08/12/1997 |
| 5632860 | Method of controlling foam in aqueous systems A method for controlling foam in the papermaking operation comprising a polyether surfactant and polyethoxylated sorbitol hexaoleate.... | 05/27/1997 |
| 5624568 | Stabilization of magnesium hydroxide slurries A treatment for reducing viscosity and inhibiting settling of an aqueous 30% or higher by weight magnesium hydroxide slurry which comprises adding to the slurry an amount, effective for the purpose of a combination of an alkyl sulfosuccinate surfactant, a... | 04/29/1997 |
| 5616278 | Inhibition of scale and corrosion in aqueous systems A method and compounds for inhibiting the formation of scale, e.g., barium scale, and controlling corrosion is disclosed. The method is particularly effective at inhibiting or preventing corrosion of ferrous-based metals in contact with the aqueous system... | 04/01/1997 |
| 5611911 | High temperature corrosion inhibitor A process for the inhibition of corrosion caused by naphthenic acid and sulfur compounds during the elevated temperature processing of crude oil by use of an aryl containing phosphite compound having one of the structures: ##STR1## wherein R | 03/18/1997 |
| 5607597 | Method for enhancing biocidal activity A treatment for enhancing the activity of biocidal compounds to control the growth of microbes in an aqueous system is disclosed, which comprises adding to said compounds an effective amount of an alkylsulfosuccinate surfactant.... | 03/04/1997 |
| 5593599 | Method for inhibiting microbial adhesion on surfaces A method for inhibiting the microbial adhesion on surfaces in contact with an aqueous system is disclosed, which comprises adding to the system a treatment comprising an alkylsulfosuccinate surfactant.... | 01/14/1997 |
| 5575920 | Method of inhibiting scale and controlling corrosion in cooling water systems A method for simultaneously controlling the deposition of scale and the formation of corrosion in a cooling water system consisting of adding to the system a water soluble copolymer having the structure: ##STR1## wherein R1 is H or lower (... | 11/19/1996 |
| 5575893 | Felt conditioner for deinked recycled newsprint papermaking system A method for conditioning the felts in a papermaking process utilizing deinked secondary fiber in the furnish by adding a felt conditioner consisting of from 5-33% of a nonionic surfactant, from 5-33% of a dispersant, or blends thereof, with the remainder... | 11/19/1996 |
| 5562862 | Polybutene-based foam control composition for aqueous systems A stable defoamer composition and method of defoaming an aqueous system is disclosed. The composition comprises an alcohol alkoxylate, at least one surfactant having a melting point less than 20° C., and a low HLB, ethylene oxide/propylene oxide block co... | 10/08/1996 |
| 5556510 | Method for inhibiting the deposition of organic contaminants in polp and papermaking processes A method of inhibiting the deposition of organic contaminants in a pulp and papermaking system comprising adding to the system an effective amount of a detackifying composition comprising a charged polymer and an oppositely charged surfactant, with the pr... | 09/17/1996 |
| 5536326 | Method for enhancing the dewatering of starch A method for enhancing the dewatering of starch comprising adding to an aqueous starch slurry an effective amount of a composition comprising polybutene and at least one surfactant having a melting point less than 20° C.... | 07/16/1996 |
| 5527468 | Nonionic polymers for the treatment of boiler water A treatment for controlling the deposition of scale imparting species on the structural surfaces of steam generating systems, wherein the aqueous medium is maintained at a pH which minimizes magnetite solubility, comprising the use of a combination of an ... | 06/18/1996 |
| 5518630 | Method for controlling scale formation and deposition A method and composition for controlling the formation and deposition of scale imparting compounds in an aqueous system is disclosed. A treatment comprising a sulfonated polymer and a polymaleic acid is effective in controlling the formation and depositio... | 05/21/1996 |
| 5512213 | Aqueous stabilized isothiazolone blends A treatment for stabilizing an isothiazolone compound comprising adding to the compound a stabilizing amount of a metal salt, wherein the cation of the metal salt is an alkali metal, and the anion is selected from the group consisting of acetate, citrate,... | 04/30/1996 |
| 5512186 | Method for inhibiting microbial adhesion on surfaces A method for inhibiting the microbial adhesion on surfaces in contact with an aqueous system is disclosed, which comprises adding to the system a treatment comprising an alkylsulfosuccinate surfactant.... | 04/30/1996 |
| 5500213 | Gelled biocidal treatments A biocidal composition and method for inhibiting and controlling the growth of microorganisms are disclosed. The composition comprises an amount, effective for the intended purpose, of polyethylene glycols and bis(trichloro methyl) sulfone, in combination... | 03/19/1996 |
| 5500128 | High calcium tolerant deposit control method A method and composition for controlling deposition of scale and the like in waters having a high calcium ion content is disclosed. The composition comprises a combination of an alkylidene diphosphonic acid and a water soluble polymeric material.... | 03/19/1996 |
| 5500107 | High temperature corrosion inhibitor A process for the inhibition of corrosion caused by naphthenic acid and sulfur compounds during the elevated temperature processing of crude oil by use of an aryl containing phosphite compound having one of the structures: ##STR1## wherein R | 03/19/1996 |
