Patents for C10M 175 - Working-up used lubricants to recover useful products (2,783) |
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09/16/1997 | CA2070889C Method and apparatus for removing water from lubricants, coolants and the like |
08/27/1997 | CN1157750A Ultrahigh vacuum oil clarifying set |
08/26/1997 | US5661117 Using anionic resin and polymeric sorbent |
08/21/1997 | DE19605887A1 Use of waste slag produced in mfr. of ferrous alloys as catalyst |
08/20/1997 | EP0790290A1 Method and device for the filtration, degassing and dehydration of, and removal of ageing products from pretroleum oils |
08/06/1997 | EP0699100B1 Method of removing water from waste oil using cationic amino compounds |
08/06/1997 | CN1156415A Bypass filting |
07/31/1997 | WO1997027273A1 Process and apparatus for the treatment of waste oils |
07/31/1997 | WO1997027272A2 Method for treating lubricating and fuel materials such as hydrocarbons, and device for realising the same |
07/30/1997 | EP0600055B1 Waste lubricating oil pretreatment process |
07/24/1997 | WO1997026314A1 Method for processing used lubricating oils in a dispersed aqueous phase for recycling |
07/22/1997 | CA2068905C Waste lubricating oil pretreatment process |
07/01/1997 | US5643466 Treatment of liquids |
06/17/1997 | US5639383 Used mineral motor oil ecological recycling procedure |
05/21/1997 | CN1034955C Multifunctional emulsified oil for cooling, preventing rust, lubricating and washing |
05/20/1997 | US5630912 Evaporators, heaters, vents, oil discharging conduits for feeding oil |
05/15/1997 | DE19541950A1 Waste collection pump tanker vehicle |
05/14/1997 | EP0773058A1 Filtration membrane for oleophilic organic liquids, method for producing it and method for filtering oleophilic organic liquids |
04/02/1997 | EP0765376A1 Method and apparatus for recycling waste lubrication oil for reuse as fuel oil |
03/20/1997 | DE19533824A1 Extn. device for machine-cooling lubricant |
03/19/1997 | EP0762920A1 Bypass filtering |
03/19/1997 | EP0601159B1 Process for ultrafiltration of stabilized emulsions |
03/18/1997 | US5611919 Purification of industrial lubricating agents |
03/12/1997 | CN2249119Y Libricant dewatering pump station |
02/19/1997 | CN1143383A Removing contaminants from oil |
01/28/1997 | US5597513 Contains beta aminopropionate or salt and alkoxylated alcohol; wash liquors, tramp oils, coolants |
01/09/1997 | WO1997000928A1 Alkaline treatment method for refining used oils |
01/09/1997 | CA2222704A1 Alkaline treatment method for refining used oils |
01/08/1997 | CN1139698A Heat-conducting oil regeneration and prepurging hot coal stove |
01/07/1997 | US5591330 Oil filter containing an oil soluble thermoplastic additive material therein |
01/02/1997 | DE19523462A1 Backwashing liq. filter esp. for coolant and lubricant suspension |
01/02/1997 | DE19522596A1 Unit recovers and purifies special oil used e.g. in semiconductor mfr. |
01/01/1997 | CN2244047Y High pressure purifying device for integrated oil |
12/31/1996 | US5589138 Apparatus for and methods of stabilizing and regenerating metalworking fluids |
12/27/1996 | EP0637261A4 Extraction of water from oil. |
12/19/1996 | WO1996040841A1 Method and device for the filtration, degassing and dehydration of, and removal of ageing products from pretroleum oils |
12/19/1996 | CA2196985A1 Method and apparatus for filtering, degassing, dehydrating and removing products of ageing in pretroleum oils |
12/04/1996 | EP0745113A1 Removal of contaminants from oil |
12/04/1996 | EP0680509B1 Improved liquid decontamination apparatus and method |
11/28/1996 | WO1996037290A1 Separation of hydrocarbons and water from mixtures thereof |
11/28/1996 | CA2221188A1 Separation of hydrocarbons and water from mixtures thereof |
11/13/1996 | EP0634948B1 Treatment of liquids |
11/12/1996 | US5573656 Process for converting acid sludge to asphalt |
10/22/1996 | US5567461 Using laminate that has fluid contacting surface with plurality of spaced pockets between layers |
10/10/1996 | WO1996031728A1 Device for generating a tribochemical mode in the lubricating system of a mechanism |
10/02/1996 | EP0735005A2 Process for treating recalcitrant compounds |
09/24/1996 | US5558774 Aerated hot membrane bioreactor process for treating recalcitrant compounds |
09/18/1996 | EP0731830A1 Purification of oil |
09/17/1996 | US5556548 Process for contaminated oil reclamation |
09/11/1996 | EP0451160B1 Purification of industrial lubricating agents |
09/03/1996 | US5552040 Method of increasing service life of oil and a filter for use therewith |
08/28/1996 | EP0728175A1 Process for dechlorination of a spent oil fraction |
08/14/1996 | EP0717765A4 Process to produce lube oil basestock by low severity hydrotreating of used industrial circulating oils |
08/14/1996 | CN1128789A Process and plant for purifying spent oil |
08/08/1996 | WO1996023854A1 Oil reclamation device with evaporator base and head mounted filter |
07/09/1996 | US5534155 Method for purification of cooling agents and/or lubricants used in rolling mills |
07/04/1996 | WO1996020368A1 Device for establishing a tribochemical operating mode in a mechanism lubrication system |
07/04/1996 | WO1996020264A1 Method of stabilising motor oil |
07/04/1996 | WO1996020262A1 Alkaline reagent for stabilising motor oil |
06/26/1996 | EP0717765A1 Process to produce lube oil basestock by low severity hydrotreating of used industrial circulating oils |
06/18/1996 | US5527449 Conversion of waste oils, animal fats and vegetable oils |
06/12/1996 | EP0715533A1 Waste treatment |
05/29/1996 | CN1123317A Technology for oxidation-reduction and regeneration of lubricating oil |
05/28/1996 | US5520815 Process for removal of lead and oil contaminants from machining coolant solutions |
05/15/1996 | CN1031803C Comprehensive utilization for argil oil residue from refined transformer oil and turbine oil |
05/08/1996 | EP0710711A1 Additive for lubricating oil |
05/07/1996 | US5514272 Heating, cooling, oxidizing; allowing acid sludge to settle; adding polishing agent and separating |
05/01/1996 | CN2226068Y Regenerator for waste lubricating oil |
04/24/1996 | EP0708174A1 Method and installation for purifying used oils |
04/16/1996 | US5507307 Method and apparatus for recycling waste lubrication oil for reuse as fuel oil |
04/03/1996 | EP0703959A1 A method of reducing sludge and varnish precursors in lubricating oils |
03/21/1996 | WO1996008546A1 Process for dechlorination of a spent oil fraction |
03/20/1996 | CN1118805A Technical process for recovering methanol and light oil from emulsified waste liquid |
03/19/1996 | US5500093 Oil purification |
03/12/1996 | US5498341 Process for ultrafiltration of stabilized emulsions |
03/06/1996 | EP0699100A1 Method of removing water from waste oil using cationic amino compounds |
03/06/1996 | EP0699099A1 Method of removing water from enriched oil-in-water emulsions using polyethers |
03/06/1996 | EP0699098A1 Method of removing water from waste oil using surface-active compounds |
03/06/1996 | EP0663848B1 Device for filtering polluted liquids, in particular used oil |
02/29/1996 | DE4430507A1 Prepn. of liq. drawing agent for wire |
02/27/1996 | US5494586 Oil-water separation apparatus |
02/21/1996 | CN1031069C Improved process for oil decontamination |
02/14/1996 | EP0696311A1 Fluid treatment process |
02/01/1996 | WO1996002617A1 Materials, methods and apparatus for reducing lubricant oil breakdown |
01/31/1996 | CN1115782A Multifunctional emulsified oil |
01/11/1996 | DE4438270C1 Stabilising mixts. of acid resins or acid tars obtd. by treating oil fractions |
01/11/1996 | DE4423089A1 Economically viable process for working up used mineral and bio lubricating oils |
01/10/1996 | EP0690903A1 Process and plant for the regeneration of lubricating oils |
01/10/1996 | EP0548073A4 Process for the recovery of oil from waste oil sludges |
01/09/1996 | US5481831 Vehicle door |
01/04/1996 | WO1996000273A1 Process for the reclamation of used lubricating oils |
01/04/1996 | WO1996000114A1 Waste treatment |
01/02/1996 | US5480547 Corrosive liquid coalescer |
12/28/1995 | WO1995035356A1 Method and apparatus for recycling waste lubrication oil for reuse as fuel oil |
12/28/1995 | WO1995035261A1 Machining process waste liquor regenerating method and machining process waste liquor regenerating apparatus |
12/28/1995 | CA2192962A1 Method and apparatus for recycling waste lubrication oil for reuse as fuel oil |
12/26/1995 | US5478463 Method of reducing sludge and varnish precursors in lubricating oils |
12/21/1995 | DE4420687A1 Electro-membrane filter twin chamber modules equipped with electrodes |
12/20/1995 | EP0675864A4 Destruction of halide containing organics and solvent purification. |
12/19/1995 | US5476987 Solvent extraction using sulfolane and 1,3-dimethylimidazolidinone |