| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 134013000 | By crystallizing, precipitating, or eliminating dissolved solids from used agent | 12 |
| 20090020140 | NON-FLAMMABLE SOLVENTS FOR SEMICONDUCTOR APPLICATIONS - Methods and compositions for purging and cleaning a semiconductor fabrication system are disclosed herein. In general, the disclosed methods utilize solvents comprising hydrofluoroethers. Hydrofluoroethers are non-toxic and have low moisture content, preventing heat generation from organometallic precursor hydrolysis. In an embodiment, a method of cleaning a semiconductor fabrication system comprises dissolving at least one chemical precursor used in semiconductor fabrication in at least one delivery line with a solvent to clean the at least one delivery line. The solvent generally comprises a hydrofluoroether. The methods and compositions may be used in a variety of semiconductor film deposition processes. | 01-22-2009 |
| 20090120461 | Aircraft Rinse System - Disclosed is an aircraft rinse system for gently rinsing an aircraft engine even while the aircraft engines are on. The rinse deck has integral nozzles and water storage. Pressurized air can be used to force the water from the storage area in the deck to spray out nozzles that are integral to the deck. | 05-14-2009 |
| 20100132740 | Method and system for the treatment of excretion containers - Particularly in hospitals, care homes or similar institutions, it is necessary to have a safely handled and reliable method for the emptying and cleaning of excretion containers, for example urine bottles or bedpans. A method and a system ( | 06-03-2010 |
| 20100242995 | METHOD FOR REMOVING IONIC SPECIES FROM DESALINATION UNIT - A method for removing ionic species from a desalination unit, comprises: (a) circulating a wash stream in a closed loop comprising a desalination unit and a precipitation unit, the wash stream flowing at a linear velocity of at least 5 cm/second through the desalination unit, the wash stream becoming more saline after passage through the desalination unit; and (b) removing a portion of calcium sulfate from the wash stream by precipitation in the precipitation unit to obtain a supersaturation degree of calcium sulfate in the wash stream entering the desalination unit in a range of from about 1.0 to about 3.0. | 09-30-2010 |
| 20100252072 | SECONDARY REACTION QUENCH DEVICE AND METHOD OF USE - In this disclosure, a reactor system is described. The reaction system comprises (a) a reaction vessel having an inner wall, wherein said reaction vessel is configured to receive reactants and export products and byproducts; (b) a primary quench device (PQD) configured to receive a coolant and disperse said coolant into said reaction vessel; and (c) a secondary quench device (SQD) configured to receive a coolant and disperse said coolant into said reaction vessel; wherein said PQD comprises an array of spray nozzles fixed on the inner wall of said reaction vessel at a first axial position; and wherein said SQD comprises (1) an axially movable pipe having a coolant entry end and a nozzle end, wherein said pipe is configured to be removably fixed inside said reaction vessel; and (2) a spray nozzle that is fluidly connected to said pipe at its nozzle end via a fluid tight seal connection. | 10-07-2010 |
| 20110041876 | Composition For Stripping Color Filter And Regeneration Method Of Color Filter Using The Same - A composition for stripping a color filter and a color filter regeneration method are provided. A composition for stripping the color filter according to an exemplary embodiment of the present invention includes glycol and potassium hydroxide (KOH), in which either (a) the concentration of the glycol is in the range of 83 wt % to 91 wt % and of the concentration of the potassium hydroxide satisfies the condition: (wt % of KOH)≧6−(0.065*(wt % of the glycol)), or (b) the concentration of glycol is more than 91 wt % and the concentration of potassium hydroxide (KOH) is more than 0.2 wt %. | 02-24-2011 |
| 20110192422 | PROCESS FOR CLEANING ENGRAVED CYLINDERS USED IN PRINTING AND PACKAGING INDUSTRY FROM ADHESIVE AND/OR INK RESIDUES - A process for the removal of dry adhesives and/or inks from the surface and from the interior of the cells of the engraved cylinders used in printing and coupling processes, using a supercritical mixture formed by one or more organic solvents and a supercritical fluid, preferably consisting of supercritical carbon dioxide. The microscopic cells of the engraved cylinders used in printing industry or of the cylinders used for film coupling in packaging industry are thoroughly and easily cleaned by a process comprising the steps of forming the said supercritical mixture, delivering it in a high pressure autoclave previously filled with the engraved cylinders to be cleaned, cleaning for a given residence time, eliminating the organic solvent residue in the autoclave by washing it with supercritical fluid and precipitating the extracted inks and/or adhesives in one or more separators located downstream the autoclave. | 08-11-2011 |
| 20120247509 | METHOD OF WASHING ANODE SLIME FROM LEAD-BISMUTH ALLOY ELECTROLYSIS - A method of washing anode slime from lead-bismuth alloy electrolysis is disclosed, wherein a lead fluorosilicate solution with high concentration can be obtained by using the anode slime from lead-bismuth alloy electrolysis as raw material, which is characterized in that the method includes the following steps: (1) pretreating the anode slime, (2) primarily soaking the anode slime, (3) secondarily soaking the anode slime. A method of washing anode slime from lead-bismuth alloy electrolysis, and obtaining a soaking solution containing a lot of lead ions and fluorosilicic anions is provided. The soaking supernatant is added directly into the electrolyte-circulating system of lead-bismuth alloy electrolysis, which increases the utilization rate of lead ions and fluorosilicic anions, and improves the environment for smelting bismuth and silver, while reduces production cost for smelting lead, bismuth and silver. The method optimizes the process for the lead-bismuth alloy electrolysis, and solves the problem of “lean-lead” in the lead-bismuth alloy electrolysis. | 10-04-2012 |
| 20130068254 | COMPOSITION AND METHOD FOR CONTINUOUS OR INTERMITTENT REMOVAL OF SOIL FROM RECIRCULATED WASHING SOLUTION - A method of removing food soils from a recirculated washing solution includes adding a flocculating agent to the recirculated washing solution and separating the particulates from the recirculated washing solution using a hydrocyclone. The flocculating agent causes a portion of the food soils to combine into particulates having a higher density. | 03-21-2013 |
| 20130327361 | FLOCCULATION PROCESS AND DEVICE - The present invention is in the field of laundry processes and devices. In particular the invention relates to the saving of water. It is an object of the present invention to reduce the water consumption in conventional washing methods, especially machine washing methods. It is found that the continuous pH controlled sequential dosing of an electrolyte, followed by dosing of a polymer and a solid liquid separation step during a full wash cycle of a washing machine, provides continuous clarification of the wash liquor and enables the continuous reuse of the water during said wash cycle. | 12-12-2013 |
| 20140053872 | METHODS AND COMPOSITIONS FOR THE TREATMENT AND RECOVERY OF PURGE SOLVENT - The present disclosure relates to purge fluids, methods of using the purge fluids, and systems to be used for recycling the purge fluids. In some aspects, the purge fluid may be used to clean or purge an automated spray coating apparatus, such as a paint gun. The purge fluid may include a solvent and water. After the purge fluid is utilized for purging or cleaning certain system components, the purge fluid may be treated, subjected to a liquid-solid separation technique, and reused as a purge fluid. | 02-27-2014 |
| 20140345649 | SYSTEM AND METHOD FOR REMEDIATING HIGHLY CONTAMINATED FINE SOIL USING MULTIPLE MICRO HYDROCYCLONE - The present invention relates to a system for remediating highly contaminated fine soil using multiple micro hydrocyclones that includes: a mill adapted to mix contaminated soil with water and to individualize the soil; a screen adapted to separate the soil introduced from the mill into soil having given particle sizes; a separator adapted to finely separate the soil having particle sizes of less than a given value by particle size from the soil having the given particle sizes separated through the screen; a remediating unit adapted to wash the finely separated soil introduced from the separator by particle size by means of process water for washing; and a filtering unit adapted to separately discharge the soil washed and introduced through the remediating unit and the process water for washing contained in the soil. | 11-27-2014 |
