Class / Patent application number | Description | Number of patent applications / Date published |
510188000 | For hydrocarbon or synthetic resin processing or conveying equipment (e.g., for oil or gas pipeline, fractionating equipment, curable resin fabrication tools, etc.) | 20 |
20090215660 | CLEANING COMPOSITIONS, METHODS AND MATERIALS FOR REDUCING NUCLEIC ACID CONTAMINATION - The present invention relates to methods using cleaning compositions for the reduction of nucleic acid contamination. More particularly, the present invention relates to cationic compositions that bind to, and can remove, extraneous nucleic acids, polynucleotides, and DNA from the surface of a substrate. Preferably, the cationic compositions include a substance with a molecular weight of 500 Da or more. The present invention finds utility as a surface decontamination agent in PCR and other related DNA amplification techniques. | 08-27-2009 |
20090305933 | LOW INTERFACIAL TENSION SURFACTANTS FOR PETROLEUM APPLICATIONS - The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil. | 12-10-2009 |
20100099596 | Method and composition to remove iron and iron sulfide compounds from pipeline networks - The present invention comprises an iron complexing mixture and method of using same wherein beneficial performance and natural gas pipeline cleaning methods are employed. The synergistic improvement of combining two water-soluble metal complexing agents, THPS and IDS, prove to offer advantages in performance over the individual use of either chemical. | 04-22-2010 |
20100216681 | CLEANING COMPOSITION AND CLEANING METHOD FOR LIQUID CRYSTALLINE POLYESTER PRODUCTION DEVICE USING THE SAME - The present invention provides a cleaning composition used for cleaning a device for producing a liquid crystalline polyester, the composition comprising (A) glycols, (B) amines and (C) a compound selected from the group consisting of cyclic esters, amides and sulfoxides, wherein the content of the component (B) is 5 to 40% by weight and the content of the component (C) is 5 to 30% by weight, both being with respect to the total weight of the cleaning composition. | 08-26-2010 |
20110039749 | Methods for cleaning recyclable substrates or containers - A method for treating a contaminated substrate comprising the steps of contacting an emulsion to a substrate surface soiled with one or more contaminants, the emulsion comprising a blend of dibasic esters, whereby the emulsion is capable of emulsifying all or some of the contaminants, forming a resulting emulsion; removing substantially all of the resulting emulsion from the substrate surface; and, optionally, in recovering the contaminant, adding an amount of water or a solvent to the resulting emulsion effective to form at least a first phase layer comprising a substantial amount of the contaminant and a second phase layer comprising a substantial amount of the emulsion. The dibasic esters can be a blend of adipic, glutaric, and succinic diacids, and, in one particular embodiment, the blend comprises dialkyl methylglutarate and dialkyl ethylsuccinate, wherein the alkyl groups individually comprise a C | 02-17-2011 |
20110046037 | METHOD OF CLEANING FAST SETTING MATERIAL SPRAY EQUIPMENT - A method of cleaning and flushing a fast-set material spray gun | 02-24-2011 |
20110152153 | Method and composition to remove iron and iron sulfide compounds from pipeline networks - The present invention comprises an iron complexing mixture and method of using same wherein beneficial performance and natural gas pipeline cleaning methods are employed. The synergistic improvement of combining two water-soluble metal complexing agents, THPS and IDS, prove to offer advantages in performance over the individual use of either chemical. | 06-23-2011 |
20120184477 | SOLVENT SYSTEMS HAVING NO FLASH POINT AND METHODS USING SUCH SOLVENT SYSTEMS FOR DISSOLVING RIGID POLYURETHANE FOAMS - This invention relates to solvent systems useful for foam nozzle cleaning, which solvent systems are formed by combining at least a brominated compound, an alcohol and a stabilizer in amounts such that the solvent system has no flash point. | 07-19-2012 |
20120245069 | ALDIMINE CLEANING COMPOSITION FOR REACTIVE POLYURETHANE COMPOSITIONS - Methods of using an aldimine of formula (I) as cleaning agent or ingredient of a cleaning agent composition for reactive polyurethane compositions, especially for reactive polyurethane hot melt adhesives. It has been found that such cleaning agents can greatly reduce the quantity of wastes and in particular mixtures of blocked and nonblocked reactive polyurethane compositions can be used without problem for gluing, without the gluing being negatively influenced in its properties, especially its thermal stability. | 09-27-2012 |
20130023457 | LOW INTERFACIAL TENSION SURFACTANTS FOR PETROLEUM APPLICATIONS - The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil. | 01-24-2013 |
20130225465 | PROCESSES AND COMPOSITIONS FOR CLEANING MIXING DEVICES TO IMPROVE POLYCARBONATE PRODUCTION - Processes and compositions for cleaning mixing devices are disclosed that improve the production and quality of polycarbonate resins subsequently produced in the mixing device, while reducing the time needed for cleaning and/or change over. A cleaning mixture comprising polycarbonate resin pellets coated with an alkyl aryl sulfonate salt aqueous solution are used to purge the mixing device. | 08-29-2013 |
20130310297 | POLYMER-CLEANING COMPOSITION - The present disclosure relates to a dimethyl sulfoxide composition suitable for cleaning polymer residue found on the devices used for processing plastic materials, in particular polyurethane. | 11-21-2013 |
20140073545 | METHOD FOR MAKING AND USING A STABLE CLEANING COMPOSITION - A method for preparing an emulsion cleaning composition that is resistant to separation upon exposure to depressed and elevated temperatures and which exhibits a persistent peroxide content comprises preparing an organic portion and an oxidant portion and then combining the organic portion and the oxidant portion under mixing to make the emulsion. The organic portion comprises an organic solvent, and emulsifier and a cleaner surfactant. The oxidant portion comprises an oxidizing compound activator and a peroxide generator. The emulsion cleaning composition is useful for removing petroleum distillate residue from metal surfaces such as refinery surfaces. | 03-13-2014 |
20140128308 | NOVEL HIGH UPTAKE SULFUR SOLVENT SYSTEMS AND METHODS FOR MAKING AND USING SAME - Compositions for chemically removing sulfur deposits from reservoir formations, production tubing, flow lines, and other production equipment due to the production of sour gas and/or oil including reaction products of diamines and aldehydes at a mole ratio between about 1:1 and about 1:6, and methods for making and using same. | 05-08-2014 |
20140142018 | EXTRUSION OR INJECTION MOLDING MACHINE PURGING COMPOSITION AND METHOD - A composition comprising 10-80% by weight of a cellulose ether and a solvent selected from a water-soluble polyhydric alcohol, polyhydric alcohol ether, polyhydric alcohol ester, and ethanolamine is effective for purging extrusion and injection molding machines. The purging composition exerts a satisfactory purging or cleaning effect, but little abrasion effect, thus avoiding any abrasion of machine internal components by purging. Even if part of the purging composition is left within the machine after the composition is discharged out, the residue can be readily removed. | 05-22-2014 |
20140194335 | COMPOSITIONS AND METHODS FOR TREATING BIOFILMS - Compositions and methods for treating biofilm formation and growth on a substrate are provided. The composition comprises 1 ppb to 1,000 ppm of at least one D-amino acid and 1 ppm to 60,000 ppm of at least one biocide. The method comprises contacting the substrate with 1 ppb to 1,000 ppm of at least one D-amino acid and 1 ppm to 60,000 ppm of at least one biocide. The compositions and methods are effective for preventing, reducing or eliminating biofilm formation or biofilm growth or both, as well as eradicating established, recalcitrant biofilms, particularly biofilms comprising sulfate reducing bacteria that are known to cause microbiologically influenced corrosion, biofouling, or both. | 07-10-2014 |
20140371125 | THERMOPLASTIC RESIN COMPOSITION FOR CLEANING MOLDING PROCESSING MACHINE - To provide a thermoplastic resin composition for cleaning a molding processing machine, which has good cleaning performance and workability in cleaning an inner side of a molding processing machine of thermoplastic resin, such as an extruder and an injection molding machine. A thermoplastic resin composition for cleaning a molding processing machine, which includes (A) a thermoplastic resin containing a styrene-based resin, (B) an alkaline metal salt of a fatty acid, (C) a nonionic surfactant, and (D) a metal salt of an acidic phosphoric ester. | 12-18-2014 |
20150119310 | Urea Hydrochloride Compositions - A composition including HCl, urea, complex substituted keto-amine-hydrochloride, an alcohol, an ethoxylate, and a ketone is provided in a method for solubilizing calcium carbonate in an aqueous suspension or dispersion of calcium carbonate. | 04-30-2015 |
20160068741 | AQUEOUS CLEANING COMPOSITION AND METHOD - An aqueous cleaning composition for removing paraffin, asphaltene, and scale deposits or plugs from a hydrocarbon system. The aqueous cleaning composition is formed of a cleaning composition and an aqueous liquid. The cleaning composition contains about 21-33% of a silicate, about 20-35% of a peroxygen, about 3-15% of a phosphate, about 15-40% of a carbonate or bicarbonate, about 1-10% of a chelating agent, about 1-5.5% of a surfactant combination. In one embodiment, the surfactant combination includes a surfactant polymer mixture containing a block polymer and a reverse polymer, and a wetting agent containing a sulfonated material or an ethoxylated alcohol. | 03-10-2016 |
20160186104 | PROCESSES AND COMPOSITIONS FOR CLEANING MIXING DEVICES TO IMPROVE POLYMER PRODUCTION - A cleaning mixture comprising polymeric resin pellets having a Rockwell R hardness of 85 to 140, water, and a surfactant salt comprising at least one of sulfonate salts, C | 06-30-2016 |