| Patents for C10M 175 - Working-up used lubricants to recover useful products (2,783) |
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| 09/13/2000 | EP1034237A1 Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection |
| 09/12/2000 | US6117327 Using porous inorganic membrane module having high and low pressure sides; chemically treated oil is introduced to high pressure side to provide oil permeate on low pressure side and an ash and metal-rich concentrate on high pressure side |
| 09/12/2000 | US6117309 Used oil is re-refined by distilling it in distillation apparatus having multiple theoretical plates, impurities are extracted from lube range distillate fraction or fractions with a liquid extractant such as n-methyl-2-pyrrolidone |
| 09/08/2000 | WO2000052118A1 Method for treating an oil using a liquid in a supercritical state |
| 08/31/2000 | DE19905817A1 Verfahren für die Aufbereitung und die Konditionierung von im Kreislauf gefahrenem Walzöl A process for the preparation and conditioning of the rolling oil been run in the cycle |
| 08/29/2000 | US6110386 Method for conditioning metal cutting fluids |
| 08/24/2000 | WO2000049114A1 Method of removing contaminants from used oil |
| 08/23/2000 | EP1029031A1 Regeneration of acid reaction lubricant residues |
| 08/22/2000 | US6106699 Process for de-chlorinating and de-fouling oil |
| 08/16/2000 | EP1028158A1 Process for recyling of synthetic oils contained in waste lube oils |
| 08/16/2000 | EP1028157A1 Process for the treatment and conditioning of rolling oils |
| 08/09/2000 | EP1025189A1 Method of re-refining waste oil by distillation and extraction |
| 08/08/2000 | US6099727 Process for removing contaminants from cooling lubricants |
| 08/03/2000 | WO2000044855A2 Energy system for recycling used oil |
| 08/03/2000 | DE10003432A1 Altöl-Abfall-Recycling Energie-System Used oil waste recycling energy system |
| 08/01/2000 | US6096198 Apparatus for conditioning metal cutting fluids |
| 07/19/2000 | EP1020214A2 Purifying system for liquids |
| 07/18/2000 | US6090273 Process to remove ash-forming contaminants from wet used oil |
| 07/13/2000 | WO2000040679A1 Method of reprocessing used oil |
| 06/20/2000 | CA2023927C Method of removing hydroperoxides from lubricating oils |
| 06/15/2000 | DE19958021A1 Unit treating soluble cutting oils with ultraviolet light |
| 06/07/2000 | EP1005954A1 Device for the treatment of liquids, especially of coolants and lubricants |
| 06/07/2000 | CN1053123C Multifunctional vacuum oil filter |
| 06/06/2000 | US6072065 Alkaline treatment method for refining used oils |
| 05/30/2000 | US6068759 Using heated hydrocarbon vapors; decomposition of organometallic compounds |
| 05/18/2000 | WO2000027957A1 Method for reprocessing waste oils, base oils obtained according to said method and use thereof |
| 05/18/2000 | DE19852007A1 Verfahren zur Wiederaufarbeitung von Altölen, die mit dem Verfahren erhältlichen Grundöle und deren Verwendung Process for recycling of waste oils, base oils obtained with the method and use thereof |
| 05/09/2000 | US6059976 Heating; acidification; separation |
| 04/05/2000 | EP0990019A1 Method for reprocessing used oil |
| 04/05/2000 | EP0912771B1 Process for producing a metallurgical raw material from oil containing heavy metals |
| 04/04/2000 | US6045692 Oil filter to introduce anti-wear additives into engine lubricating system |
| 04/04/2000 | CA2138806C Apparatus for removing acidic impurities from lubricating oil |
| 03/15/2000 | EP0985641A2 Process for treating waste water containing cutting oil |
| 03/09/2000 | DE19837276A1 Apparatus for distilling and cracking used oil comprises distillation and cracking chambers either built-in horizontally or in a slanting plane |
| 03/01/2000 | CN2366163Y Compact boiled oil purifying apparatus |
| 02/22/2000 | US6027658 A reservoir or tank for filtering industrial fluids, such as coolants, detergents, oils, aqueous emulsions used in machinging, finishing, cleaning without the use of any filter media or mechanical assistance |
| 02/17/2000 | DE19834942A1 Water spraying cleaning device for rotated hydraulic fluid filter elements comprises flushing tank in housing, with holding device and water spray nozzles |
| 02/15/2000 | US6024880 Providing a porous inorganic membrane module to remove contaminants including ash and color contaminants |
| 01/27/2000 | WO2000003820A1 Method of recovering and regenerating mold lubricant for hot forging and method of reusing same |
| 01/27/2000 | WO1999055810A8 Process for de-chlorinating and de-fouling oil |
| 01/18/2000 | USRE36516 Method of treating fluids with a filter |
| 01/12/2000 | CN1240820A Equipment for cleaning used lubricating oil |
| 01/11/2000 | US6013174 Process to remove ash-forming contaminants from used oil |
| 01/05/2000 | EP0968040A1 Method of cleaning liquid cooling lubricants |
| 01/04/2000 | US6010010 Process for reclaiming a grinding suspension |
| 12/28/1999 | US6007701 Method of removing contaminants from used oil |
| 12/21/1999 | CA2067103C Apparatus and process for oil decontamination |
| 12/16/1999 | WO1999064133A1 Modular system for putting together different sized filter elements |
| 12/16/1999 | DE19826032A1 Baukastensystem zum Aufbau von Filterelementen unterschiedlicher Baugrößen Modular system for the construction of filter elements of different sizes |
| 12/15/1999 | EP0963810A2 Apparatus for conditioning metal cutting fluids |
| 12/09/1999 | WO1999062617A1 Method for vibrational cleaning a liquid of foreign particles |
| 12/02/1999 | WO1999061566A2 Method for obtaining base oil and removing contaminants and additives from used oil products |
| 12/02/1999 | WO1999061565A2 Method for obtaining base oil and removing contaminants and additives from used oil products |
| 11/16/1999 | US5983910 Method and apparatus for recycling coolant for a cutting machine |
| 11/11/1999 | DE19820635A1 Working up used oil by adding alkali compounds |
| 11/10/1999 | EP0728175B1 Process for dechlorination of a spent oil fraction |
| 11/04/1999 | WO1999055810A1 Process for de-chlorinating and de-fouling oil |
| 11/02/1999 | US5976357 Mixing a polyether collection polymer which is insoluble in oil and liquid at room temperature and which has a density which is higher than the oil and separating polymer and oil by gravity such that the oil forms a top phase |
| 10/19/1999 | US5968351 Apparatus for receiving metalworking fluid |
| 10/13/1999 | EP0949323A2 Process and apparatus for the conservation of cooling lubricants |
| 09/30/1999 | DE19813345A1 Hydraulic oil and brake fluid regeneration apparatus for on-site use |
| 09/29/1999 | EP0944696A1 High performance method and plant for regenerating lubricating waste oil |
| 09/15/1999 | EP0790290A4 Method and device for the filtration, degassing and dehydration of, and removal of ageing products from pretroleum oils |
| 09/14/1999 | US5950591 Engine oil deterioration preventing agent and device |
| 09/14/1999 | CA2118486C Extraction of water from oil |
| 09/08/1999 | EP0940463A2 A process for converting waste motor oil to diesel fuel |
| 09/07/1999 | US5948244 Apparatus for processing metalworking fluid |
| 09/01/1999 | EP0939116A2 Process and apparatus for the continuous treatment of vegetable and ester waste oils |
| 08/26/1999 | DE19847765A1 Insulation oil adsorption treatment apparatus, for servicing large transformers and distribution transformers |
| 08/24/1999 | US5942128 Method for processing metal working fluid |
| 08/24/1999 | US5942121 Method and apparatus for filtering, degassing, dehydrating and removing products of ageing in petroleum oils |
| 08/17/1999 | US5938935 Method and apparatus for purifying and treating cooling agents and or lubricants used in the metallurgical industry |
| 08/03/1999 | US5932104 Filtration membrane for oleophilic organic liquids, method for producing it, and method for filtering oleophilic organic liquids |
| 07/29/1999 | DE19800114A1 Cleaning cooling lubricants |
| 07/08/1999 | DE19858507A1 Use of supercritical fluids to extract contaminants e.g. oil, from cuttings, grinding-, lapping- and erosion sludges |
| 07/01/1999 | WO1999032590A1 Filtering apparatus for removing impurities for use in process of preparing grease |
| 06/30/1999 | EP0926228A2 Method for processing metalworking fluid |
| 06/30/1999 | EP0926227A2 Apparatus for processing metalworking fluid |
| 06/30/1999 | EP0926226A1 Synthetic oil filtration with a silico-calcareous product |
| 06/30/1999 | EP0925874A2 Apparatus for receiving metalworking fluid |
| 06/24/1999 | DE19806208C1 None given |
| 06/24/1999 | CA2256955A1 Apparatus for processing metalworking fluid |
| 06/24/1999 | CA2256952A1 Method for processing metalworking fluid |
| 06/24/1999 | CA2256951A1 Apparatus for receiving metalworking fluid |
| 06/23/1999 | CN1220705A Process for producing metallurgical raw material from oil containing heavy metals |
| 06/17/1999 | WO1999029396A1 Method for filtering a liquid |
| 06/17/1999 | WO1999029390A1 Method and device for demulsifying an oil-containing aqueous emulsion |
| 06/17/1999 | CA2312877A1 Method and device for demulsifying an oil-containing aqueous emulsion |
| 06/17/1999 | CA2312794A1 Method for filtering a liquid |
| 06/02/1999 | EP0919606A2 Process for the treatment of cooling lubricants for micro-organisms |
| 05/19/1999 | EP0916463A1 Method for recycling an abrasive suspension |
| 05/19/1999 | EP0915730A1 An oil filter to introduce anti-wear additives into engine lubricating system |
| 05/12/1999 | EP0618959B1 Process to re-refine used oils |
| 05/06/1999 | WO1999021946A1 Regeneration of acid reaction lubricant residues |
| 05/06/1999 | WO1999021945A1 Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection |
| 05/06/1999 | EP0912771A1 Process for producing a metallurgical raw material from oil containing heavy metals |
| 05/06/1999 | DE19747681A1 Regenerierung saurer Reaktionsschmiermittelreste Regeneration acid reaction lubricant residues |
| 05/06/1999 | CA2308790A1 Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection |
| 05/04/1999 | US5900155 Method and apparatus for reconditioning oil of vehicles |
| 04/22/1999 | DE19754756C1 Splitting of stable oil/water emulsions |