| Patents for C10M 175 - Working-up used lubricants to recover useful products (2,783) |
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| 07/08/1993 | DE4141993A1 Verfahren und einrichtung zur aufarbeitung von oel-wasser-emulsionen Method and device for regeneration treatment of oil-water emulsions- |
| 07/06/1993 | US5225081 Filtration for lubricant purification with thermoplastic resin and active carbon |
| 07/04/1993 | CA2061077A1 Method for removing pollutants from used oil |
| 06/30/1993 | EP0548073A1 Process for the recovery of oil from waste oil sludges |
| 06/29/1993 | US5223128 Apparatus for cleaning a bath of liquid with conveyor belt and adjustable stripper |
| 06/24/1993 | WO1993013189A1 Method of regenerating used lubricants |
| 06/24/1993 | WO1993011859A1 Contaminant removal system and process |
| 06/24/1993 | WO1993011846A1 Method and device for treating oil/water emulsions |
| 06/24/1993 | DE4142829A1 Verfahren zur reinigung von gebrauchten schmieroelen Method for cleaning of used lubricating oils |
| 06/24/1993 | CA2104578A1 Method of regenerating used lubricants |
| 06/23/1993 | EP0547353A2 Method and apparatus for treating wastes from metallworking of ferromagnetic materials |
| 06/19/1993 | CA2085675A1 Method and apparatus for processing wastes from the machining of ferromagnetic materials |
| 06/16/1993 | CN1021233C Method of cleaning and reclaming used oils |
| 06/11/1993 | CA2083076A1 Contaminant removal system and process |
| 05/18/1993 | US5211856 Method of oil/water separation and device for purification of oil |
| 05/12/1993 | EP0540825A1 Filter aid and method for using same for reclaiming oil coolants use for metal working |
| 05/11/1993 | US5209842 Oil enhancing multifunction filter |
| 05/11/1993 | US5209839 Method of removing hydroperoxides from lubricating oils using sodium hydroxide and a metal thiophosphate |
| 05/11/1993 | US5209838 Purification of an oil-containing liquid using a surface treated permeable inorganic membrane |
| 05/06/1993 | DE4139385A1 Splitting spent emulsions |
| 05/06/1993 | DE4135578A1 Splitting spent emulsions |
| 05/05/1993 | EP0540494A1 Machine coolant recycling system |
| 04/28/1993 | CN1071445A Improving acid-earth process of regeneration of waste oil by using polyethylene amines condensed agent to replace sulfuric acid |
| 04/20/1993 | US5204001 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 04/18/1993 | CA2080728A1 Oil reclamation device |
| 04/14/1993 | CN2129763Y Waste oil regenerator |
| 04/10/1993 | WO1993007092A1 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 04/08/1993 | DE4133160A1 Splitting spent emulsions |
| 03/24/1993 | EP0533054A2 Device for purification of liquid baths |
| 03/24/1993 | EP0529011A4 Enhanced vacuum cyclone |
| 03/09/1993 | CA1314257C Method for hydrotreating used oils |
| 03/03/1993 | EP0529011A1 Enhanced vacuum cyclone |
| 03/03/1993 | CN2127711Y Lubricating oil regenerator |
| 03/03/1993 | CN1069515A Low cost treatment technololgy of water base cutting and waste liquid of grimding fluid |
| 03/03/1993 | CN1019985C Apparatus and method for reclaiming waste oil |
| 02/25/1993 | DE4128180A1 Two=stage conversion of used oil for Diesel oil prodn. - comprises heating with light solvent and then heating in electrically heated metal container with heat distribution system |
| 02/18/1993 | DE4126914A1 Appts. for separating oil-in-water emulsions - comprising electrolysis cell, oil separator and circulating pump |
| 01/16/1993 | CA2047102A1 Sacrificial catalyst for acid treated filter clay |
| 01/14/1993 | DE4122172A1 Regenerating cleaning soln. used for cleaning industrial parts - using gravity separator to remove oil, grease and dirt in continuous three=stage sepn. |
| 01/07/1993 | WO1993000416A1 Filter system and method for rejuvenating used lubricating oils |
| 01/07/1993 | CA2110179A1 Filter system and method for rejuvenating used lubricating oils |
| 12/23/1992 | WO1992022625A1 Apparatus and method for reclaiming waste oil |
| 12/23/1992 | WO1992022624A1 Apparatus and method for reclaiming useful oil products from waste oil |
| 12/23/1992 | CA2112097A1 Apparatus and method for reclaiming waste oil |
| 12/15/1992 | US5171455 Method and apparatus for separation of toxic contaminants by nebulization |
| 12/02/1992 | EP0516187A2 Process for the hydroconversion of heavy and residual oils |
| 12/02/1992 | EP0515451A1 System for preparing cooling lubricants |
| 11/25/1992 | EP0377606B1 Process for purifying and regenerating used oils |
| 11/25/1992 | CN2122865U Multi-funcitonal insulating oil regenerator |
| 11/24/1992 | US5166118 Catalyst for the hydrogenation of hydrocarbon material |
| 11/19/1992 | EP0513944A2 Device for the purification of recycle liquids |
| 11/19/1992 | EP0513809A2 Method for treating cooling fluids and/or lubricants used in rolling mill installations and device therefor |
| 11/19/1992 | DE4116412A1 Water and oil emulsion disposal - uses an absorbent carrier for water to evaporate in air and oil is pressed out for collection |
| 11/17/1992 | US5164101 Neutralizing acid combustion products with weak base then adsorsption onto strong base to immobilize |
| 11/17/1992 | CA1310247C Method and additive for clarifying aqueous systems without production of uncontrollable floc |
| 11/12/1992 | DE4114883A1 Multistage reactor for treatment of waste prods. - comprises sepg. waste material after each stage and partly converted into gas phase, by exchange of thermal energy |
| 11/08/1992 | WO1992019705A1 Process and device for processing free-flowing organic waste materials containing noxious substances |
| 11/08/1992 | CA2102603A1 Process and apparatus for processing flowable organic waste materials |
| 10/29/1992 | WO1992018590A1 Contaminants removal from used lubricating oil |
| 10/27/1992 | US5158677 Machine coolant reclamation apparatus |
| 10/27/1992 | CA1309370C Apparatus and method for reclaiming waste oil |
| 10/20/1992 | US5156747 Heating compressed gas, mixing with liquid mixture, forming mist, vaporizing lower boiling liquid, settling high boiling by gravity |
| 10/14/1992 | EP0494186A4 Improved process for oil decontamination |
| 10/13/1992 | US5154828 Removal of alumnum fines, soaps, oxides with acid-permeated fibrous matrix; salt formation |
| 10/01/1992 | DE4208598A1 Automatic addn. of antifoaming agent - used to prevent excessive foaming of machine tool lubricating emulsion in filter system tank |
| 09/28/1992 | WO1992017408A1 Process for treating waste washing water used for impregnation |
| 09/28/1992 | CA2107114A1 Method for treatment of effluent from treatment of impregnation |
| 09/23/1992 | CN2116520U Waste oil recovery apparatus with energy-saving and accurate auto-control function |
| 09/17/1992 | WO1992015659A1 Method for refining of waste lubricating oils and an apparatus for employing the method |
| 09/17/1992 | DE4102175A1 Splitting spent emulsions |
| 09/17/1992 | DE4100964A1 Splitting spent emulsions |
| 09/17/1992 | DE4039255A1 Process for emulsion sepn. in metal working-, chemical-, food, etc. industries - comprises enriching emulsion with carbon di:oxide under pressure, subjecting to ultrasound and pref. heating |
| 09/09/1992 | EP0502008A1 Improving storage stability of oils |
| 09/09/1992 | CN1064306A Waste oil regenerating agent and its making method |
| 09/08/1992 | CA1307183C Process for the treatment of contaminated emulsion |
| 09/01/1992 | US5143597 Process of used lubricant oil recycling |
| 08/25/1992 | US5141628 Method of cleaning and regenerating used oils |
| 08/18/1992 | US5139647 Process for preparing low pour middle distillates and lube oil using a catalyst containing a silicoaluminophosphate molecular sieve |
| 08/11/1992 | US5137654 Ultrafiltration of metal working fluid |
| 07/21/1992 | US5132006 Alkali Metal Alcoholate |
| 07/16/1992 | WO1992013051A1 Process for cleaving emulsions or the like |
| 07/16/1992 | DE4028904C1 Dissociating used coolant or lubricant - comprises saturating with carbon di:oxide under pressure to separate organic and aq. phase |
| 07/16/1992 | CA2100677A1 Process for cleaving emulsions or the like |
| 07/15/1992 | EP0494186A1 Improved process for oil decontamination. |
| 07/11/1992 | WO1992012220A1 A process of recycling used lubricant oil |
| 07/11/1992 | CA2099136A1 Process of used lubricant oil recycling |
| 07/09/1992 | DE4100345A1 Removal of suspended material from organic liq. (mixts.) - by adding fatty alcohol-polyglycol-ether] to e.g. diesel oil, mixing and sepg. solids using known techniques |
| 07/08/1992 | EP0493693A1 Breaking-up of water-in-oil emulsions |
| 06/23/1992 | CA1303985C Sulfate reducing bacteria determination and control |
| 06/16/1992 | US5122281 Filter aid and method for using same for reclaiming oil coolants used for metal working |
| 06/15/1992 | CA2057425A1 Breaking of water-in-oil emulsions |
| 06/02/1992 | CA1302332C Process for the hydrogenation of heavy and residual oils |
| 05/14/1992 | WO1992008770A1 Process for recovery of oil from waste oil sludges |
| 05/14/1992 | CA2096247A1 Process for recovery of oil from waste oil sludges |
| 05/12/1992 | US5112482 Filter for removing hydroperoxides from lubricating oils |
| 05/05/1992 | US5110503 Demulsifying |
| 04/21/1992 | CA1298954C Compound containing ferric ferrous salt and a producing method thereof |
| 04/16/1992 | DE4031915A1 Cleaning of coolant-lubricants from wet-cutting machine tools - in automatically controlled filter belt with return to machine tool for reuse |
| 04/14/1992 | US5104529 Coolant recycler |
| 04/07/1992 | US5102531 Process for treating a temperature sensitive hydrocarbonaceous stream containing a non-distillable component to product a distillable hydrocarbonaceous product |