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7595007 |
Amino acid and carbohydrate polymers for use in soil retention, water conservation, water clarification, and dust control
Water-soluble amino acid copolymers, modified polysaccharides, acrylamide polymers, and combinations thereof, are described, for uses including flocculation of solids, particularly flocculation of...
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7572381 |
Scale inhibition in water systems
The present invention relates to use of compositions comprising: (a) a copolymer of an unsaturated phosphonic acid (or salt of such an acid) with an unsaturated sulphonic acid (or salt of such an...
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7452487 |
Phosphorus-acid-group-containing (meth) acrylamide, its polymer and use thereof, and their production methods
A phosphorus-acid-group-containing (meth)acrylamide polymer having high electrolytic group density and excellent conductivity is obtained by introducing a phosphorus acid group into a...
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7390415 |
Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes
Materials and a method are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR″) 3 (where R″ is H, an alkyl group, Na, K, or NH 4 ) are used...
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7316787 |
Methods for controlling silica scale in aqueous systems
A method of controlling the deposition of silica containing scales and their adhesion to surfaces in contact with an aqueous system is disclosed which comprises adding to the aqueous system about...
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7270766 |
Feed water composition for boilers
“Disclosed is a feed water composition for boilers whose main ingredient is a purified ethylene glycol aqueous solution that is a mixture of purified ethylene glycol and pure water in a weight...
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7252783 |
Treatment of suspensions
A method of dewatering a suspension of solids in an aqueous medium, comprising introducing into the suspension a flocculating system, which flocculation system comprises, a) a substantially...
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7241391 |
Biodegradable scale and corrosion inhibitor composition
A biodegradable scale and corrosion inhibiting composition includes between about 50 and about 90% by weight of a protein polymer that is derived from a natural source, and between about 10 and...
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7204937 |
Metal oxides dispersant composition
This invention relates to metal oxides dispersant compositions comprising (a) certain a metal oxides dispersant, and (b) an oxime. The invention also relates to a process for dispersing metal...
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7186394 |
Retarding agents for preparing purified brine
The invention relates to a process to produce brine of improved purity wherein a salt source, contaminated with sulphate ions and alkaline (earth) metal ions, is dissolved in water in the presence...
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7150854 |
Device for generating aqueous chlorine dioxide solutions
The invention pertains to a device for generating aqueous chlorine dioxide solutions when the device is contacted with liquid water. The device comprises an alkali metal or alkaline earth metal...
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7141181 |
Composition comprising amphoteric polymeric flocculants
A composition is provided which comprises amphoteric polymers comprising, as constituent monomer units, a cationic monomer unit, an anionic monomer unit, and optionally a nonionic monomer unit and...
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7098327 |
Dual-functional ion exchange resins from agricultural by-products
A process for the production of dual-functional ion exchange resins from lignocellulosic agricultural material involving anionization of the lignocellulosic agricultural material with citric acid...
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7081212 |
Solid free-flowing phosphonate composition
Solid free-flowing compositions of a magnesium salt of bis(hexamethylene)triamino penta(methylenephosphonic) acid are disclosed. The compositions exhibit desirable scale inhibitor properties and...
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7077976 |
Phosphonamide and phosphonamide blend compositions to treat water
The invention is a water treatment composition comprising at least one phosphonamide and blends thereof and a method to treat water. As phosphonamides are generally odorless, and typically solids,...
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7052579 |
Pitch control composition
This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a cationic guar polymer, and (2) isobutylene/maleic...
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7030258 |
Water-capturing agent and organic EL device
A water-capturing agent capable of inhibiting the generation and growth of a darkspot and an organic EL device including the water-capturing agent are provided. The organic EL device uses the...
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7030163 |
Biocidal composition
A biocidal composition includes, in combination, poly(hexamethylene)biguanide, didecyldimethylammonium chloride a homogenizing agent and a flocculating agent. The biocidal composition is used to...
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7018561 |
Product stability enhancement with phosphonium salts
The present invention provides a beverage surfactant composition that includes a surfactant, a phosphonium compound, and a carrier; wherein the beverage surfactant composition exhibits stability as...
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7008910 |
Rust inhibitor
An aqueous non-toxic biorational or environmentally safe composition to reduce or inhibit corrosion, rust and scale on metal surfaces comprising effective amounts of sorbic acid, salts of sorbic...
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6986852 |
Process for conditioning standing and flowing water systems
The invention relates to a novel conditioning agent based on polysuccinimide, its hydrolysates or its partial hydrolysates, for preventing deposits in standing or flowing water systems.
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6979411 |
Water treatment agent for extending water exchange intervals in tank systems
A composition for long term improvement of water quality in biological tank systems is described as: 1) at least one highly or poorly soluble Al 3+ , Fe 3+ , TiO 2+ or ZrO 2+ salt of an organic...
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6960304 |
Wastewater treatment
Methods for treating wastewater comprising adding to wastewater a defoaming and/or surfactant-effective quantity of at least one base-catalyzed branched reaction product comprising the following...
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6926836 |
Treatment of iron sulphide deposits
Treating a water system containing or in contact with a metal sulphide scale to inhibit, prevent, reduce, dissolve or disperse iron sulphide deposits. A solution of tris(hydroxyorgano)phosphines...
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6896980 |
Water-scavenging agent for an organic electroluminescent device and organic electroluminescent device comprising same
A novel water-scavenging agent of the present invention comprising a compound of formula (I) as a primary component can be dissolved in a polar solvent and coated by a screen printing method, and...
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6855268 |
Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof
The invention concerns a composition useful for conditioning sludge obtained by mixing an invert emulsions containing at least a cationic polyelectrolyte with an invert emulsion or an aqueous...
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6852009 |
Polishing composition and polishing method employing it
A polishing composition which comprises the following components (a) to (d):
(a) silicon dioxide, (b) at least one basic substance selected from the group consisting of an inorganic salt of...
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6846452 |
Scale inhibitor for an aqueous system
This invention relates to a composition and a method for inhibiting the formation of scale, particularly complex scale, in an aqueous system where more than one type of scale is present. The scale...
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6846419 |
Phosphonamide and phosphonamide blend compositions and method to treat water
The invention is a water treatment composition comprising at least one phosphonamide and blends thereof and a method to treat water. As phosphonamides are generally odorless, and typically solids,...
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6841089 |
Detoxification of onium compounds
A method for reducing the toxicity of onium compounds, such as ammonium compounds and phosphonium compounds, by the use of certain additives is described. Suitable additives include, but are not...
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6821427 |
Methods for reducing the amount of contaminants in water
In one aspect the present invention provides purification devices for reducing the amount of contaminants in water, each device includes a water-soluble flocculant disposed within a body defining a...
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6814885 |
Scale and corrosion inhibitors
A scale and corrosion inhibitor for use in the treatment of water comprises at least one oxyalkylene unit and at least one phosphonate unit (e.g. a unit derived prom a mono- or di-phosphonic acid...
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6814873 |
Method of preventing or reducing aluminosilicate scale in a bayer process
Materials and a process are provided whereby polymers with the pendant group or end group containing —Si(OR″) 3 (where R″ is H, an alkyl group, Na, K, or NH 4 ) are used to control...
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6802988 |
Antifreeze concentrates based on dicarboxylic acids, molybdate and triazoles or thiazoles, and coolant compositions comprising them
Antifreeze concentrates are based on a mixture of at least two different C 3 - to C 16 -dicarboxylic acids, molybdate and a mixture of at least two different triazoles or thiazoles.
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6797195 |
Method for recovering and separating metals from waste streams
A method for recovering and separating precious and non-precious metals from waste streams, which removes, separates, and recovers such metals in a cost effective manner with more than 95% removed...
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6797177 |
Process for inhibiting scale and fouling on the metal surfaces exposed to an aqeuous system
This invention relates to a process for inhibiting scale and fouling on metal surfaces exposed to an aqueous system, particularly a circulating aqueous system. The process comprises adding glutamic...
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6719881 |
Acid colloid in a microparticle system used in papermaking
A microparticle system for use as a retention and drainage aid in the production of alkaline and acid paper products comprises a HMW flocculent polymer ( 6 ), an acid colloid ( 7 ), and a coagulant...
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6669853 |
Composition for removing dissolved oxygen from a fluid
This invention relates to compositions, which are useful in removing dissolved oxygen from a fluid stream, preferably an aqueous stream. The compositions comprise blend of an oxime and a primary...
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6656723 |
Odor controlling composition and methods of making and using
The invention relates to a composition and method for controlling odors, the composition containing an activated lignin-derived complex containing a histosol compound, and optionally containing a...
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6656365 |
Process for preventing formation of scale
A process for preventing formation of scale which comprises adding, into a water system in which ozone is used for disinfection, a polymeric scale inhibitor having a high molecular weight which...
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6645400 |
Corrosion control utilizing a hydrogen peroxide donor
The present invention describes an innovative means of inhibiting corrosion of metals which experience active-passive transition in contact with an electrolyte. This invention incorporates hydrogen...
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6645384 |
Method for inhibiting scale in high-cycle aqueous systems
A composition and an improved method for treating aqueous systems to prevent the accumulation of mineral scale and corrosion which comprises adding to the aqueous system a treatment solution...
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6641754 |
Method for controlling scale formation and deposition in aqueous systems
A method of inhibiting the formation and deposition of scale forming moieties in aqueous systems by adding water-soluble or water-dispersible polymers is disclosed. The method comprises adding to...
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6641740 |
Method for combating hard water and scale by using algins
The deleterious effects of metal ions in water, for example water hardness and formation of deposits, may be combated by application of an algin, for example alginic acid or a salt of alginic acid,...
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6623658 |
Additive for controlling secondary contaminates
An additive for controlling the detrimental effects of secondary recycled contaminants in the papermaking process. In the preferred embodiment, the additive includes a first low molecular weight,...
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6620338 |
Composition for inhibition of metal corrosion
Novel corrosion inhibiting compositions comprising a combination of amino thiol or amino disulfide compounds with acidic amino acid polymers inhibit carbon dioxide induced corrosion of ferrous...
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6613899 |
Method for preventing deposits in oil extraction
Carboxyl-containing fructans such as carboxymethylinulin can be successfully used to prevent deposition of scale composed of, for example, calcium, barium and strontium salts of sulphuric acid and...
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6585933 |
Method and composition for inhibiting corrosion in aqueous systems
A method and composition for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a...
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6566409 |
Lock and key micelles
A lock unimolecular micelle includes at least one engineered acceptor specifically binding a ligand (or specifically a “key” unimolecular micelle) thereto. A key unimolecular micelle comprises...
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6537457 |
Method for treating circulating water from an enamelling line
Polyaspartic acid and, optionally a non-ionic surfactant, are used to treat circulating water from a paint shop.
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