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| Number | Title | Issue Date |
| 7914752 | On-board control for analytical elements The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also concerns analytical elements containing a reagent system for a detec... | 03/29/2011 |
| 7407590 | Method for removal of biofilm The present invention provides a method for the removal of biofilm, flocculent bulked sludge or bulked biologically active sludge from an aqueous system. The method involves adding one or more chlorinated hydantoins, such as dichloro- or monochlorodialkylhydantoin, ... | 08/05/2008 |
| 7407623 | Steam condensate corrosion inhibitor compositions and methods Lecithin and 2-bromo-2-nitropropane-1,3 diol (BNPD) are used to inhibit corrosion in boiler steam condensate systems. Aqueous steam condensate corrosion inhibiting compositions of these components are also disclosed. BNPD is also used as a preservative in lecithin c... | 08/05/2008 |
| 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 ratio of 70-90 : 10-30 wt %. The feed water composition comprises 92.1 ... | 09/18/2007 |
| 7264740 | Process for increasing strength, flexibility and fatigue life of metals A method is described for the surface treatment of metals to improve the strength, flexibility and fatigue life of the metal, which in a preferred embodiment includes the steps of thoroughly cleaning and drying the metal surface, etching the surface of the metal to ... | 09/04/2007 |
| 7258814 | Coolant composition and methods of use thereof The present invention provides a coolant composition having a glycol as a main component, which prevents iron and aluminum from being corroded, and in particular, has excellent corrosion preventing properties for aluminum and aluminum alloys at high temperatures, an... | 08/21/2007 |
| 7241725 | Barrier polishing fluid The polishing fluid is useful for polishing tantalum-containing barrier materials of a semiconductor substrate. The polishing fluid includes a nitrogen-containing compound having at least two nitrogen atoms comprising imine compounds and hydrazine compounds. The nit... | 07/10/2007 |
| 7216710 | Thiol/aldehyde corrosion inhibitors Methods of inhibiting corrosion comprising providing a corrosive environment; adding a corrosion inhibitor comprising a reaction product of a thiol compound and an aldehyde compound. Methods of acidizing a near well bore region of a subterranean formation comprising... | 05/15/2007 |
| 7208117 | Automated process for inhibiting corrosion in an inactive boiler containing an aqueous system This invention relates to an automated process to inhibit corrosion of the metal surface of an inactive boiler containing water. ... | 04/24/2007 |
| 7205438 | Solvent recovery blends from diene production A diene production stream comprising a solvent recovery blend from diene production comprising one or more fouling agent, one or more extractive distillation solvent, and from about 1 ppm to about 1000 ppm of N,N-disubstituted amide. ... | 04/17/2007 |
| 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 oxides in an aqueous system that involves adding the dispersant compositio... | 04/17/2007 |
| 7205265 | Cleaning compositions and methods of use thereof A remover composition and method for removing resists from substrates containing nucleophilic amine and at least one solvent is described. Optionally, a chelating agent can also be included in the remover composition. The remover composition is especially suitable f... | 04/17/2007 |
| 7201897 | Interferon conjugates Physiologically active PEG-IFNα conjugate having a formula as follows: ... | 04/10/2007 |
| 7182839 | Preventing deposition of fouling agents onto equipment Methods and compositions effective to prevent deposition of fouling agents, preferably polymerization precursors, on handling equipment, particularly during solvent recovery. ... | 02/27/2007 |
| 7179384 | Control of cooling water system using rate of consumption of fluorescent polymer A method to control a cooling water system based on the rate of consumption of fluorescent polymer is described and claimed. The method includes providing a cooling water system and a water treatment product including at least one fluorescent polymer and a fluoresce... | 02/20/2007 |
| 7172676 | System and method for bonding and debonding a workpiece to a manufacturing fixture A system and a method by which workpieces are bonded to and debond from a manufacturing fixture using a radiation responsive adhesive as a bonding agent. The system includes curing the adhesive agent during loading within seconds, and structurally weakens the adhesi... | 02/06/2007 |
| 7151139 | Antimicrobial polymeric surfaces Bactericidal compositions are disclosed that comprise a polymeric compound immobilized on a material. Medical devices are also disclosed which comprise such a bactericidal composition. Methods are disclosed for covalently derivatizing the surfaces of common material... | 12/19/2006 |
| 7137401 | Drag reduction using maleated fatty acids Non-polymeric drag reducing agents in the form of maleated fatty acids and the esters thereof and the organic, inorganic or amine salts thereof are described herein. These additives are useful to reduce drag in hydrocarbon fluids and multi-phase fluids of hydrocarbo... | 11/21/2006 |
| 7127959 | Process for assessing inhibition of petroleum corrosion The present invention is an apparatus for simulating corrosion activity in liquid and vapor/condensate corrosion environments. The apparatus includes a container, including a lower region containing the liquid and an upper region, including a condenser, a heater for... | 10/31/2006 |
| 7112284 | Oxygen scavenger and the method for oxygen reduction treatment Oxygen scavenger which can exhibit excellent oxygen reduction effect in a wide variety of conditions is provided as an alternative volatile oxygen scavenger to hydrazine. The oxygen scavenger contains a heterocyclic compound having N-substituted amino group such as ... | 09/26/2006 |
| 7088530 | Passively aligned optical elements An optical system has a first lens element (L1) having an outer portion (36) and a first tapered surface (34). A second lens element (L2) has an outer portion (26) and a second tapered surface (24). The first lens element (L... | 08/08/2006 |
| 6998423 | Prevention of loss and restoration of bone mass by certain prostaglandin agonists Prostaglandin agonists, methods of using such prostaglandin agonists, pharmaceutical compositions containing such prostaglandin agonists and kits containing such prostaglandin agonists. The prostaglandin agonists are useful for the treatment of bone disorders includ... | 02/14/2006 |
| 6998049 | Method for preventing the formation of biological films The invention relates to a method for improving the performance of filtration devices by adding P- and/or N-containing compounds to the medium to be filtered. ... | 02/14/2006 |
| 6995120 | Scale control composition for high scaling environments Barium sulfate and/or calcium carbonate scale inhibitor composition composed of a water-soluble polymer having incorporated phosphate functionality, the polymer being formed from at least one ethylenically unsaturated carboxylic acid monomer, at least one ethylenica... | 02/07/2006 |
| 6982062 | Corrosion inhibiting composition This invention relates to a corrosion inhibiting composition comprising (a) an aliphatic amine, (b) an azole selected from the group consisting of (1) tolyltriazole, (2) benzotriazole, and (3) mixtures thereof, and (c) a benzoate. The compositions are particularly u... | 01/03/2006 |
| 6939483 | Brine fluids with improved corrosion properties It has been discovered that ammonia and amines are useful to increase the pH and corrosion resistance of high density brines, such as zinc bromide brines, without significantly reducing their densities. The ammonia or amine additive is preferably incorporated by con... | 09/06/2005 |
| 6920802 | Adsorption trap for the detection of surface-active agents in gas streams A method and apparatus are provided for adsorbing surface-active compounds, such as corrosion inhibitors and water, from pressurized gas streams utilizing existing gas pipeline sampling valves. The apparatus includes an adsorption trap assembly containing an adsorpt... | 07/26/2005 |
| 6905711 | Antimicrobial agents, products incorporating said agents and methods of making products incorporating antimicrobial agents An antimicrobial agent includes an oligodynamic metal ion in a hydrophilic polymer binder or carrier. According to a presently preferred embodiment, the metal ion is silver and the hydrophilic polymer is polyurethane. According to a method of the invention, the anti... | 06/14/2005 |
| 6861032 | Oxygen scavenger and boiler water treatment chemical A boiler water treatment chemical includes a heterocyclic compound with N-substituted amino group, or the salt thereof, and alkaline agent and/or water soluble polymer. ... | 03/01/2005 |
| 6814930 | Galvanized metal corrosion inhibitor A white rust inhibiting composition and method of inhibiting white rust for evaporative water coolers are disclosed. The composition includes, in combination, a blend of one or more organophosphorus compounds and one or more tannin compounds. ... | 11/09/2004 |
| 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 acid N,N diacetic acid, or salts thereof, to the aqueous system. Glu... | 09/28/2004 |
| 6645428 | Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems Fluorescent monomers are described and claimed which are synthesized by reacting a substituted or non-substituted naphthalic anhydride with an amine and with a moiety containing a polymerizable group. Such monomers are useful for the preparation of tagged... | 11/11/2003 |
| 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 combination of a tetrazolium salt of the general formula: #... | 07/01/2003 |
| 6572788 | Amine oxide wood preservatives The present inventors have discovered that amine oxides are highly effective as wood preservatives. The present invention provides a wood preservative composition comprising a biocidally effective amount of one or more amine oxides. Preferably, the wood p... | 06/03/2003 |
| 6551553 | Disinfection method A process is provided for disinfecting articles at temperatures below 5° C. with an aqueous alcoholic salt solution. The process provides a fast reduction of microorganisms at low temperatures with a wide degree of efficacy.... | 04/22/2003 |
| 6548016 | Oil soluble hydrogen permeation inhibitor The present invention provides a composition and method for inhibiting hydrogen permeation in metal refinery equipment comprising incorporating into a product stream handled by said equipment a polyamine amide of 3-hydrocarbyl thiopropionic acid in an amo... | 04/15/2003 |
| 6503448 | Process for retarding the formation of corrosion on metal surfaces The invention relates to a process for retarding the formation of corrosion and/or removing existing corrosion deposits on a metal surface where the metal is in contact with air. The process comprises contacting said metal surface with an oxime in an amou... | 01/07/2003 |
| 6475431 | Corrosion inhibitors with low environmental toxicity A low toxic, biodegradable, water soluble and dispersant series of corrosion inhibitors are described. The method of inhibiting corrosion in aqueous medium by incorporating the inhibitor in PPM is provided. The corrosion inhibitor compromises an acrylic a... | 11/05/2002 |
| 6468470 | Galvanized metal corrosion inhibitor A white rust inhibiting composition and method of inhibiting white rust for evaporative water coolers are disclosed. The composition includes, in combination, a blend of one or more organophosphorus compounds, one or more tannin compounds, and one or more... | 10/22/2002 |
| 6461518 | Method for inhibiting the formation and deposition of silica scale in water systems This invention relates to a method for inhibiting the formation and deposition of silica scale in water systems. The method includes treating the water in such water systems with an effective amount of a polyamide that contains secondary amine and/or ethe... | 10/08/2002 |
