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