| Patents for C10G 33 - De-watering or demulsification of hydrocarbon oils (2,962) |
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| 07/06/1993 | CA1319876C Process for the separation of crude oil emulsions of the water-in-oil type |
| 06/30/1993 | EP0548073A1 Process for the recovery of oil from waste oil sludges |
| 06/29/1993 | US5223152 Pretreatment in blowdorn drum; temperature control |
| 06/29/1993 | CA1319626C Flexible filter element employing filtering sheets formed with bypass openings |
| 06/29/1993 | CA1319620C Diesel fuel filter/water separator |
| 06/22/1993 | CA2085414A1 Oil-demulsifiers based on an alkoxylate and preparation of this alkoxylate |
| 06/08/1993 | CA1318876C Process to improve the demulsification of bitumen in pond oil |
| 05/18/1993 | CA1318053C Demulsifier compositions and methods of preparation and use thereof |
| 05/12/1993 | EP0541018A2 Oil demulsifier |
| 05/11/1993 | US5209838 Purification of an oil-containing liquid using a surface treated permeable inorganic membrane |
| 05/08/1993 | CA2082287A1 Petroleum emulsion breakers |
| 05/04/1993 | CA1317250C Upgrading crude oil emulsions |
| 04/27/1993 | US5205964 Demulsification with a breaker obtained by crosslinking phenolic resin with ethylene carbonate in presence of basic catalysts and anhydrous condition |
| 04/07/1993 | EP0535910A2 Method for improving the demulsibility of base oils |
| 04/07/1993 | EP0535477A1 Process for the recovery of hydrocarbons from a hydrocarbon rich gel |
| 04/03/1993 | CA2079653A1 Process for obtaining the hydrocarbon from a hydrocarbon-rich gel |
| 04/03/1993 | CA2078299A1 Method for improving the demulsibility of base oils |
| 03/23/1993 | US5196486 Acrylic ester polymers |
| 03/23/1993 | CA1314933C Brine monitor |
| 03/18/1993 | DE4205885C1 System for sepg. oil slops or emulsions into water, petrol, oil and solids - in which slop oil is heated in circuit comprising heater, column and pump and slop oil from bottom of column is cooled and sepd. into clean oil phase and solid phase |
| 03/16/1993 | CA1314490C Method and apparatus for cleaning petroleum emulsion |
| 02/23/1993 | CA1313836C Method and apparatus for treatment of oil contaminated sludge |
| 02/16/1993 | USRE34178 Fuel processor apparatus for diesel powered vehicles |
| 01/26/1993 | USRE34166 Fuel processor apparatus for diesel engine powered vehicles |
| 01/05/1993 | US5176847 Tannin, cationic polymer, alkoxylated amine |
| 12/08/1992 | US5169562 Oil in water emulsions |
| 11/29/1992 | CA2059387A1 Demulsifier compositions and demulsifying use thereof |
| 11/19/1992 | EP0513809A2 Method for treating cooling fluids and/or lubricants used in rolling mill installations and device therefor |
| 11/19/1992 | EP0513070A1 Process for separating oil-water emulsions |
| 11/18/1992 | CN1019129B Inhibiting emulsification in alkali wash process of straight-run oils by adding additives |
| 11/17/1992 | US5164116 Polyglycoside modified ethylene oxide-propylene oxide copolymers |
| 11/17/1992 | CA1310247C Method and additive for clarifying aqueous systems without production of uncontrollable floc |
| 11/12/1992 | WO1992019351A1 Oil/water separation system |
| 11/12/1992 | WO1992019349A1 Oil and water separation system |
| 11/12/1992 | WO1992019347A1 Oil and water separation system |
| 11/03/1992 | WO1992019348A1 Oil/water separation system |
| 11/03/1992 | CA2086320A1 Oil/water separation system |
| 10/20/1992 | US5156767 Emulsion breaking using alkylphenol-polyethylene oxide-acrylate polymer coated coalescer material |
| 10/13/1992 | US5154857 Demulsifying and antifouling agent suitable for separating possibly emulsified water/hydrocarbon mixtures |
| 10/13/1992 | US5154831 Solvent extraction process employing comminuting and dispersing surfactants |
| 10/13/1992 | US5154726 Solid fumaric acid-solid barium chromate catalyst for removing impurities and residual moisture and method for its use |
| 09/15/1992 | CA1307489C Crude oil emulsion treating apparatus |
| 09/09/1992 | EP0502404A1 Method for decreasing the level of contamination of fuels |
| 09/01/1992 | US5143109 Recovering temperature-sensitive surfactant from dispersion or emulsion of oil and water by heating above the cloud point of surfactant under conditions of temperature and aqueous phase salinity that dispersion breaks into three layers |
| 08/04/1992 | US5135655 Process for treating refinery slurries |
| 08/04/1992 | CA1305853C Water absorbent packet |
| 07/08/1992 | EP0493693A1 Breaking-up of water-in-oil emulsions |
| 07/08/1992 | EP0368964B1 Process for extracting water from a liquid fluid |
| 06/17/1992 | CN2107467U Experiment instrument for electric desalt |
| 06/15/1992 | CA2057425A1 Breaking of water-in-oil emulsions |
| 05/26/1992 | US5117058 Cationic amide/ester compositions as demulsifiers |
| 05/19/1992 | CA1301105C Method and system for treating a produced hydrocarbon-containing fluid |
| 05/14/1992 | WO1992008770A1 Process for recovery of oil from waste oil sludges |
| 05/14/1992 | WO1992007642A1 Oil/sludge separation |
| 05/14/1992 | CA2096247A1 Process for recovery of oil from waste oil sludges |
| 04/22/1992 | EP0481541A1 Process for treating refinery slurries |
| 04/22/1992 | CN1016355B Crude oil desalting and dewatering by filteration |
| 04/16/1992 | WO1992005853A1 Separation of the components of liquid dispersions |
| 04/08/1992 | EP0479258A1 Solvent extraction process for treatment of oily substrates |
| 04/07/1992 | US5102580 Demulsifier compositions and demulsifying use thereof |
| 04/06/1992 | CA2052655A1 Process for treating refinery slurries |
| 04/03/1992 | CA2052497A1 Solvent extraction process for treatment of oily substrates |
| 03/31/1992 | US5100582 Water soluble polymer as water-in-oil demulsifier |
| 03/25/1992 | EP0185086B1 Repelling-action filter unit and assembly |
| 03/25/1992 | CN1059669A Preparation method of antiphase emulsion breaker of cation polyether model |
| 03/25/1992 | CN1015962B Distributing charge composite electrode and desalt system |
| 03/11/1992 | WO1992004424A1 Process for the recovery of oil from waste oil sludges |
| 03/11/1992 | CA2092926A1 Process for the recovery of oil from waste oil sludges |
| 03/03/1992 | US5092998 Device for treating oil sludge and oil-containing waste water |
| 01/29/1992 | EP0468954A2 Method for breaking emulsions |
| 01/29/1992 | EP0468095A2 Use of oxyalkylated alkylpolyglycosides as demulsifying agents for breaking mineral oil emulsions |
| 01/28/1992 | CA2047921A1 Demulsifiers for breaking petroleum emulsions |
| 01/28/1992 | CA1294918C Apparatus for dehydrating oil and composite electrode used in such apparatus |
| 01/28/1992 | CA1294913C Process for the removal of organic acids from freshly produced bitumen |
| 01/08/1992 | EP0464957A2 Hydrophobically functionalized cationic polymers |
| 12/24/1991 | CA1293468C Treatment of slop oils |
| 12/12/1991 | WO1991018676A1 Multiple step cyclone separator |
| 10/22/1991 | US5059743 Exposure to magnet with very weak flux density to improve combustion efficiency |
| 10/22/1991 | US5059332 Method and device for treating oil sludge and oil-containing waste water |
| 10/08/1991 | US5055178 Process for extraction of water mixed with a liquid fluid |
| 10/08/1991 | US5055175 Hydrogenation, hydrocracking, desulfurization, denitrogenation in one step using group 6B or 8B compounds |
| 09/28/1991 | CA2027660A1 Emulsion breaking using cationic quaternary ammonium starch/gums |
| 09/17/1991 | US5049259 Membrane process for drying liquid hydrocarbons |
| 08/13/1991 | US5039450 Demulsifying with a reaction product of a polyoxyalkylene glycol block polymer and a polyglycidyl ether of a phenol-for-maldehyde novolak |
| 08/08/1991 | WO1991011242A1 Process for separating oil-water emulsions |
| 08/01/1991 | DE4002472A1 Verfahren zur spaltung von oel-/wasser-emulsionen Process for the cleavage of oil- / water-emulsions |
| 07/30/1991 | US5035805 Water detection and removal for instruments |
| 07/23/1991 | CA1286624C Process and apparatus to remove separated water from contained hydrocarbon fuel |
| 07/03/1991 | CN1052611A Method and apparatus for magnetic inhibition of protista |
| 07/02/1991 | US5028239 Vinyl polymers with hydrophilic and hydrophobic sections, haze-free gasoline |
| 06/26/1991 | EP0434558A2 Method and apparatus for magnetic inhibition of protista |
| 06/20/1991 | CA2032574A1 Method and apparatus for magnetic inhibition of protista |
| 06/19/1991 | CN1012878B Electric voltage adjusting and power supply compensating installation for the crude oil dewatering process |
| 05/21/1991 | US5017294 Apparatus for the separation of two immiscible liquids and use of said apparatus in the desalting of a hydrocarbon feedstock |
| 04/25/1991 | DE3935260A1 Appts. for regeneration of engineering oil - has dispersion tower between inlet sub-assembly and degassing sub-assembly |
| 04/09/1991 | US5006274 Dithiocarbamate from carbon disulfide and bishexamethylenetriamine; waste water treatment |
| 04/09/1991 | CA1282897C Polyethers obtainable by reacting alkylolated bis-(4- hydroxyphenyl)-methanes with polyalkylene oxides, and their use as oil demulsifiers |
| 04/04/1991 | WO1991004096A1 Removal of mercury from fluids by contact with activated zeolite a |
| 04/02/1991 | US5004559 Demulsification Of Water-Containing Crude Oil |
| 04/02/1991 | US5004552 Apparatus and method for separating water from crude oil |