| Patents for C10M 175 - Working-up used lubricants to recover useful products (2,783) |
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| 03/07/2002 | WO2002018523A1 A method of reclaiming used motor oil for further use |
| 02/14/2002 | WO2002011850A1 Batch process for refining used oil |
| 02/13/2002 | CN1335380A Method of regenerating degraded oil for electric power equipment |
| 02/07/2002 | US20020014447 Staged oil filter incorporating additive-releasing particles |
| 02/07/2002 | US20020014258 Method and apparatus for degreasing a metal part |
| 02/07/2002 | DE10035725A1 Cleaning unit for metal working cooling lubricants, comprises swarf advancing unit, dirty liquid container, tank, and coarse and fine filters |
| 02/06/2002 | EP1177269A1 Method of removing contaminants from petroleum distillates |
| 02/05/2002 | US6344176 Device for treating liquids, especially coolants and lubricants |
| 02/05/2002 | US6344138 Device for regenerating the cooling emulsion stagnating in the tanks of machine tools |
| 02/05/2002 | US6343610 Method and apparatus for recycling coolant for a cutting machine |
| 01/31/2002 | US20020011261 System for cooling and washing a part formed in a metal forming machine |
| 01/16/2002 | EP1171554A1 Method of removing contaminants from used oil |
| 01/15/2002 | US6338795 Purifying system |
| 01/02/2002 | EP1165728A1 Method for treating an oil using a liquid in a supercritical state |
| 12/18/2001 | US6331253 In which a third substance is dissolved in a supercritical state to lower the viscosity; heat sensitive organic liquids and used motor oils. |
| 12/12/2001 | CN1326498A Method for reprocessing waste oils, base oils obtained according to said method and use thereof |
| 12/12/2001 | CN1325949A Process for regenerating emulsified oil from waste emulsified cutting fluid |
| 12/05/2001 | EP0696311B1 Fluid treatment process |
| 11/29/2001 | WO2001090283A1 Emulsion breaking by condensation |
| 11/21/2001 | EP0762920B1 Oil filter |
| 11/21/2001 | CN1322798A Used oil purifying and regenerating machine and its manufacture |
| 11/20/2001 | US6320090 Method of removing contaminants from petroleum distillates |
| 11/20/2001 | US6319409 Adding polyamine cationic compound to coagulate; flocculation with polyacrylic acid; separation by flotation; digestion organic substances by activated sludge; settling, filtration |
| 11/20/2001 | US6319394 Purifying oil; contacting with phase transfer catalyst; heating, distilling, mixing with solvent, separation, recovering |
| 11/20/2001 | US6318219 Cutting method and cutting fluid |
| 11/15/2001 | WO2001085882A2 Multi-staged fluid filter, and methods of making and using same |
| 11/15/2001 | WO2001085300A2 Staged oil filter incorporating pelletized basic conditioner |
| 11/15/2001 | CA2408880A1 Staged oil filter incorporating pelletized basic conditioner |
| 11/08/2001 | WO2001083602A1 Improved filtration efficiency |
| 11/08/2001 | CA2405744A1 Improved filtration efficiency |
| 11/07/2001 | CN1074454C Process and apparatus for treatment of waste oils |
| 11/01/2001 | WO2001080982A1 Oil dehydrator |
| 10/30/2001 | CA2186658C Thermal apparatus and process for removing contaminants from oil |
| 10/24/2001 | EP1147165A1 Energy system for recycling used oil |
| 10/23/2001 | CA2126472C Corrosive liquid coalescer |
| 10/17/2001 | EP0990019B1 Method for reprocessing used oil |
| 10/16/2001 | CA2024006C Method of removing sludge from lubricating oils |
| 10/10/2001 | EP1141181A1 Method for reprocessing waste oils, base oils obtained according to said method and use thereof |
| 10/04/2001 | US20010025807 Method of removing contaminants from petroleum distillates |
| 09/20/2001 | US20010022281 Continuous purification of used motor oil using sodium/ potassium hydroxide and phase transfer catalyst (ethylene glycol); distillation; recycling |
| 09/20/2001 | DE10111712A1 Assembly to clean the oil in roller hydraulic and recirculating lubrication systems, has a water/air separation unit after the coarse filter with profiled plates, in a housing in the oil return flow channel |
| 09/20/2001 | DE10011513A1 Spent cutting suspension recovery, comprises adding agent to suspension to induce flocculation of solid particles |
| 09/13/2001 | WO2001066678A1 Method for recovering a spent cutting suspension |
| 09/11/2001 | US6287455 Evaporator system; heating |
| 08/23/2001 | WO2001060493A1 Method and device for purifying liquids |
| 08/08/2001 | CN1307091A Waste lubricant residue purifying device |
| 08/07/2001 | US6270657 Asphalt blend compositions containing used motor oil and asphalt pavement compositions containing said asphalt blend compositions |
| 07/19/2001 | WO2001051800A1 Method for liquid catalyst delivery for combustion processes |
| 07/05/2001 | DE19960380A1 Verfahren zum Fraktionieren einer Zerspanungssuspension Method for fractionating a machining suspension |
| 07/04/2001 | CN1301807A Treating method for waste insulator oil containing biphnyl polychloride |
| 06/28/2001 | WO2001046353A1 Process for treating waste oil |
| 06/28/2001 | WO2001045818A1 Process for breaking an emulsion |
| 06/21/2001 | WO2001043933A1 Method for separating a machining suspension into fractions |
| 06/21/2001 | CA2392399A1 Method for separating a machining suspension into fractions |
| 06/13/2001 | CN1066975C Bybass filtering |
| 06/07/2001 | DE19957937A1 Cleaning appliance consists of buoyant skimmer, counterweight, sedimentation vessel, rotary disc and pump |
| 06/06/2001 | CN1298441A Process for de-chlorinating and de-fouling oil |
| 05/31/2001 | WO2001005914A3 Separating facility for separating a polyglycol and ethylene mixture |
| 05/31/2001 | WO2001002077A3 Device for maintaining and cleaning a working medium |
| 05/29/2001 | US6238551 Method of removing contaminants from petroleum distillates |
| 05/29/2001 | CA2024008C Filter system for rejuvenating lubricating oils |
| 05/23/2001 | EP0835298B1 Alkaline treatment method for refining used oils |
| 05/17/2001 | US20010001198 Method of removing contaminants from petroleum distillates |
| 05/09/2001 | EP1097189A1 Method for obtaining base oil and removing contaminants and additives from used oil products |
| 05/08/2001 | CA2042233C Process for the simultaneous treatment of two hazardous feedstocks |
| 04/25/2001 | EP1093511A1 A device for regenerating the cooling emulsion stagnating in the tanks of machine tools |
| 04/24/2001 | CA2119499C Method for flocculating finely divided solids suspended in nonpolar liquids |
| 04/11/2001 | EP1089798A1 Modular system for putting together different sized filter elements |
| 04/05/2001 | WO2001023505A1 Double filtration method for purifying coolant-lubricants |
| 04/04/2001 | EP0944696B1 High performance method and plant for regenerating lubricating waste oil |
| 03/29/2001 | DE19946391A1 Verfahren zum Reinigen von Kühlschmierstoffen A method of cleaning cooling lubricants |
| 03/20/2001 | US6203765 Thermal apparatus and process for removing contaminants from oil |
| 02/27/2001 | US6193941 Scrubbing from synthesis gas formed in partial oxidation by aqueous scrubbing solution; filtering; drying filter cake; burning a dust-free soot conditioned in pulverized fuel burner; cooling; releasing heat; separating off heavy metals |
| 02/20/2001 | US6191077 Using cellulose filtering aid |
| 02/15/2001 | DE19937834A1 Treatment device for cooling lubricants used in a machine tool comprises a radiation source for UV light which is directed onto the lubricant flowing under the source |
| 02/08/2001 | DE19936474A1 Simplified separation of oil from sludges is effected with complete water separation by heating with a recyclable solvent such as toluene which forms an azeotropic mixture |
| 01/30/2001 | US6179999 Method of removing contaminants from used oil |
| 01/25/2001 | WO2001005914A2 Separating facility for separating a polyglycol and ethylene mixture |
| 01/18/2001 | DE19932677A1 Apparatus for purifying lubricant contaminated with grinding chips from preparing brittle material comprises vessel for lubricant with partial containers each having side walls arranged to produce chip deposition region |
| 01/16/2001 | US6174431 Method for obtaining base oil and removing impurities and additives from used oil products |
| 01/11/2001 | WO2001002077A2 Device for maintaining and cleaning a working medium |
| 01/11/2001 | DE19937701A1 Vorrichtung zum Pflegen und Reinigen eines Arbeitsmediums Apparatus for maintaining and cleaning a working medium |
| 01/10/2001 | EP1067171A2 Process for removing contaminants from oil |
| 01/04/2001 | WO2001000756A1 Method for decontaminating waste semi-synthetic or synthetic mineral oils |
| 01/02/2001 | US6168708 Method for recovery and recycling of hydrocarbon residue |
| 12/07/2000 | WO2000072948A1 Oil dehydrator |
| 12/07/2000 | WO2000044855A3 Energy system for recycling used oil |
| 12/06/2000 | CN1276002A Method of re-refining waste oil by distilation and extraction |
| 11/29/2000 | CN1058987C Process for regenerating thermal conductive oil biphenyl-biphenyl ether mixture |
| 11/02/2000 | WO2000065003A1 A device for regenerating the cooling emulsion stagnating in the tanks of machine tools |
| 11/02/2000 | CA2323082A1 A device for regenerating the cooling emulsion stagnating in the tanks of machine tools |
| 10/24/2000 | USRE36922 Process of used lubricant oil recycling |
| 10/18/2000 | EP1044050A1 Method for filtering a liquid |
| 10/17/2000 | US6132596 Treating waste oil containing heavy hydrocarbons and contaminants |
| 10/11/2000 | EP0915730B1 An oil filter to introduce anti-wear additives into engine lubricating system |
| 10/04/2000 | CN1268557A Vehicle light diesel fuel regenerated by using waste lubricating oil as raw material |
| 10/03/2000 | US6126843 Using crospovidone-iodine as biocidal substance in metal working |
| 09/28/2000 | WO2000056842A1 Method of removing contaminants from petroleum distillates |
| 09/27/2000 | EP1037696A1 Method and device for demulsifying an oil-containing aqueous emulsion |
| 09/14/2000 | WO2000053706A1 Method of removing contaminants from petroleum distillates |