| Patents for C10M 175 - Working-up used lubricants to recover useful products (2,783) |
|---|
| 10/24/1989 | US4876015 Method and apparatus for reclaiming used hydraulic fluid |
| 09/20/1989 | EP0332788A1 Process for treating polluted oil-in-water emulsions or microemulsions |
| 09/12/1989 | US4865742 Method of treating polluted oil-in-water emulsions or microemulsions |
| 08/24/1989 | WO1989007638A1 Method in the processing of aluminium and the use of certain acids in oils therefor |
| 08/23/1989 | CN2043243U Automatically regenerative device of waste oil |
| 08/08/1989 | US4855060 Dithiocarbamate of dihexamethylenetriamine |
| 08/08/1989 | US4855044 Purification of oils containing solid matters in suspension |
| 07/25/1989 | US4851107 Contacting with catalyst 0r additives of specific particle size distribution |
| 07/25/1989 | US4850498 Mixing water with halogenated hydrocarbon or hydraulic fluid and conducting flow tangentially to surface of microporous hollow fiber membranes, and separating the decontaminated permeate fluid |
| 07/11/1989 | US4846967 Apparatus for reclaiming contaminated oil |
| 06/13/1989 | US4839042 Immobilized reagent for the decontamination of halogenated organic compounds |
| 06/08/1989 | DE3739929A1 Oil-sulphur cooling boiler OCB |
| 05/30/1989 | US4834868 Neutralizing oxidation product components in continuous rerefining of used oil stocks |
| 05/24/1989 | DE3738391A1 Process for removing impurities by distillation from used oil |
| 05/10/1989 | EP0314992A2 Process for the hydroconversion of heavy oils, residual oils and waste oils, mixed with sewage sludge |
| 05/03/1989 | CN1032671A Recovery of lubricating oil |
| 04/25/1989 | US4824579 Water clarification method and apparatus |
| 04/19/1989 | CN1032467A Method for elimination of containing micro-moisture in power transformer oil |
| 03/30/1989 | DE3718385A1 Device for drying lubricating oils |
| 03/28/1989 | US4816138 Hydrogenation to form hydrocarbons, hydrogen halides, ammonia, hydrogen sulfide, absorption |
| 03/22/1989 | EP0307716A1 Method for removing traces of water from power transformer oil |
| 03/21/1989 | US4814088 Method for the molecular filtration of predominantly aliphatic hydrocarbon liquids |
| 03/08/1989 | EP0306164A1 Hydrogenating a temperature sensitive hydrocarbonaceous waste stream |
| 03/07/1989 | US4810387 Solvent extraction, absorption |
| 02/28/1989 | US4808300 Using molecular sieve mixture |
| 02/23/1989 | WO1989001508A1 Process for purifying and regenerating used oils |
| 02/07/1989 | CA1249760A1 Treatment of waste oils |
| 02/01/1989 | EP0301758A1 Treating a temperature-sensitive hydrocarbonaceous waste stream containing a non-distillable component |
| 01/18/1989 | EP0299149A2 Process for working up used lubricants by hydrogenation |
| 01/10/1989 | US4797205 Apparatus for separating oily cutting liquid |
| 01/10/1989 | US4797200 Upgrading heavy oils by solvent dissolution and ultrafiltration |
| 01/10/1989 | US4797198 Supercritical solvent extraction, filtration, distillation, catalytic hydrogenation, gasification |
| 12/08/1988 | DE3717633A1 Method for the electrolytic separation of an oil/water emulsion |
| 12/06/1988 | US4789460 Process for facilitating filtration of used lubricating oil |
| 11/17/1988 | EP0291174A2 Process for treatment of contaminated emulsion |
| 11/15/1988 | US4784751 Method and apparatus for reclaiming contaminated oil |
| 11/10/1988 | DE3713122A1 Device for the treatment of drilling oil emulsion |
| 10/06/1988 | WO1988005072A3 Removal of carcinogenic hydrocarbons from used lubricating oil |
| 09/06/1988 | US4769147 Oil reclamation apparatus |
| 09/01/1988 | DE3723745C1 Process and device for breaking emulsions |
| 08/17/1988 | EP0278792A2 Method for simultaneous removal of aromatics and wax from lube distillate by an adsorption process |
| 08/17/1988 | CN87108357A Determination and controll of sulfate reduced bacteria |
| 08/11/1988 | DE3703525A1 Device for reprocessing oil sludge |
| 08/10/1988 | CN87105043A High temp. refining technology of waste oil regeneration using clay and without pollution |
| 07/20/1988 | EP0275148A2 Removal of carcinogenic hydrocarbons from used lubricating oil |
| 07/14/1988 | WO1988005072A2 Removal of carcinogenic hydrocarbons from used lubricating oil |
| 07/14/1988 | WO1988005034A1 Removal of polynuclear aromatics from hydrocarbon mixtures |
| 07/13/1988 | EP0274432A1 Process for the removal of polynuclear aromatic compounds from hydrocarbon streams |
| 07/12/1988 | US4756825 Filter means having activated alumina adsorbing material, fluid flow, degassing, pressurization means |
| 07/06/1988 | CN85102380B Water based polymeric solid lubricant |
| 06/29/1988 | EP0272916A1 Sulfate-reducing bacteria determination and control |
| 06/23/1988 | DE3642041A1 Method for reprocessing spent oil, and spent oil reprocessing plant |
| 06/21/1988 | US4751901 Composite oil filter |
| 06/16/1988 | DE3640978A1 Method for reprocessing spent oil |
| 06/15/1988 | EP0270813A1 Process for reclaiming used oil |
| 06/14/1988 | US4750990 Membrane separation of hydrocarbons using cycloparaffinic solvents |
| 05/25/1988 | EP0268009A1 Filter cartridge |
| 05/18/1988 | EP0267654A2 Process and apparatus for the continuous treatment of spent oils |
| 05/18/1988 | CN86107465A Treatment of waste lubricant by flocculation separation process |
| 04/19/1988 | US4738781 System and process for processing used emulsion coolant |
| 04/13/1988 | EP0263522A2 Process for the hydroconversion of heavy and residual oils |
| 03/29/1988 | US4734207 Purification of oils containing solid matters in suspension |
| 03/16/1988 | EP0259378A1 Process for purifying used lubricating oil |
| 10/28/1987 | EP0242429A2 Filtration device for oils |
| 10/07/1987 | EP0240027A2 Apparatus for separating an oily cutting liquid |
| 08/25/1987 | US4689157 Extraction of water using sensor controls circulation system |
| 08/05/1987 | EP0230543A1 Process for recycling spent oil |
| 07/30/1987 | WO1987004455A1 Process for purifying used lubricating oil |
| 07/21/1987 | US4681660 Method and device for reclaiming fluid lubricants |
| 07/15/1987 | EP0228651A1 Process for obtaining high-grade lubricants from spent oils |
| 07/14/1987 | US4680091 Apparatus for the continuous vacuum cleaning of oil |
| 06/10/1987 | EP0224632A1 Process and apparatus for the purification of hydrogen-free fluorized lubricants |
| 05/19/1987 | US4666587 Waste oil purifying process |
| 04/23/1987 | DE3537384A1 Process for purifying cooling lubricants |
| 04/09/1987 | DE3638606A1 Device and method for the continuous reprocessing of spent oil |
| 04/08/1987 | EP0217534A2 A method of removing substances from fossil derived hydrocarbon liquids |
| 04/07/1987 | US4655938 Process and contrivance for the regeneration of lubricating oils |
| 03/18/1987 | EP0214672A2 Process for the purification of oils |
| 03/04/1987 | EP0211981A1 Process for the decontamination of used lubricating oil by the removal of contaminating metals and metal compounds |
| 02/04/1987 | EP0162874B1 Installation for the purification and separation of mixtures of oil and solid materials |
| 01/20/1987 | CA1216749A1 Continuous decontamination-decomposition process for treating halogenated organic compounds and toxic substances |
| 01/17/1987 | CN85102380A Water based polymeric solid lubricant |
| 01/13/1987 | US4636317 Recycling of metalworking fluids |
| 12/30/1986 | CA1215931A1 Fluid purifier |
| 09/02/1986 | US4609458 Porous ceramic for adsorption; monitored for sorptive depletion |
| 08/12/1986 | CA1209512A1 Used oil re-refining |
| 08/05/1986 | US4604109 Fluid purifier |
| 08/05/1986 | CA1209082A1 Process for treating used motor oil and synthetic crude oil |
| 07/22/1986 | US4601381 Fluid vacuum distillation system |
| 07/09/1986 | CN85100831A Reclaiming waste oil with organic coalescer |
| 07/01/1986 | US4597882 Process for regenerating waste oils of synthetic lubricants containing fluorine atom |
| 06/17/1986 | CA1206163A1 Reclamation of organophosphate fluids |
| 05/27/1986 | US4591444 Process for exhaustively decontaminating perfluoropolyethereal oils |
| 05/20/1986 | US4589955 Fluid recovery system |
| 04/29/1986 | US4585567 Purification of fluorinated lubricants free from hydrogen |
| 04/16/1986 | EP0178001A1 Process for cleaning of waste materials by refining and/or elimination of biologically Difficult to degrade halogen-, nitrogen- and/or sulfur compounds |
| 12/31/1985 | US4561866 Separating and pressure working cycles; continuous cleaning |
| 12/17/1985 | US4559133 Process for separating liquids from fine grained solids |
| 12/10/1985 | CA1197805A1 Heat treatment of liquids |
| 12/04/1985 | EP0162874A1 Installation for the purification and separation of mixtures of oil and solid materials. |