| Patents for C10G 33 - De-watering or demulsification of hydrocarbon oils (2,962) |
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| 03/04/1997 | US5607574 Method of breaking reverse emulsions in a crude oil desalting system |
| 02/13/1997 | WO1997005065A1 Oil and water processing device |
| 02/12/1997 | CN1142783A Separation of liquids |
| 01/02/1997 | EP0751203A2 Polymer compositions for demulsifying crude 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 | WO1996040603A1 Method and apparatus for breaking hydrocarbon emulsions |
| 12/19/1996 | CA2224178A1 Method and apparatus for breaking hydrocarbon emulsions |
| 12/19/1996 | CA2196985A1 Method and apparatus for filtering, degassing, dehydrating and removing products of ageing in pretroleum oils |
| 12/18/1996 | EP0748860A2 Demulsification by microorganisms |
| 09/25/1996 | EP0732967A1 Separation of liquids |
| 09/24/1996 | US5558768 Process for removing chlorides from crude oil |
| 09/04/1996 | CN1130397A Liquid/solid separation |
| 08/28/1996 | EP0633865B1 A device for magnetic treatment of liquids |
| 08/06/1996 | US5543027 Apparatus for electrostatic liquid/liquid contactor |
| 07/09/1996 | US5534155 Method for purification of cooling agents and/or lubricants used in rolling mills |
| 07/04/1996 | WO1996020133A1 Method for demetallating refinery feedstreams |
| 07/04/1996 | CA2208565A1 Method for demetallating refinery feedstreams |
| 06/26/1996 | EP0717764A1 Liquid/solid separation |
| 06/25/1996 | US5529688 Device for magnetic treatment of liquids |
| 06/25/1996 | US5529684 Electrolytically demetallating petroleum stream with aqueous electrolysis medium |
| 06/11/1996 | US5525201 Breaking water in oil emulsions resulting from water wash of crude oils |
| 05/29/1996 | EP0713504A1 Reaction products from olefinically unsaturated carboxylic acids and polyetherols and their use as demulsifying agents for crude oil emulsions |
| 04/23/1996 | US5509732 Mixer assembly |
| 04/18/1996 | WO1996011225A1 Process for producing oligoamines or polyamines |
| 04/18/1996 | WO1996005272A3 Oil treatment and compositions therefor |
| 04/16/1996 | US5507958 Dehydration of heavy crude using hydrocyclones |
| 04/11/1996 | DE4435688A1 Verfahren zur Herstellung von Oligoaminen oder Polyaminen Process for the preparation of oligoamines or polyamines |
| 04/09/1996 | US5505878 Demulsifying agent comprising adduct of high molecular weight polyalkylene glycol and ethylene oxide further reacted with diglycidyl ether |
| 03/31/1996 | CA2156444A1 Method of resolving oil and brine emulsions |
| 03/06/1996 | EP0699098A1 Method of removing water from waste oil using surface-active compounds |
| 02/22/1996 | WO1996005272A2 Oil treatment and compositions therefor |
| 02/14/1996 | EP0696631A2 Demulsifier for water-in-oil emulsions and method of use |
| 01/24/1996 | EP0693544A2 Process for the treatment and the recovery of crudes |
| 01/10/1996 | EP0548073A4 Process for the recovery of oil from waste oil sludges |
| 12/21/1995 | WO1995034522A1 Method and apparatus for breaking hydrocarbon emulsions |
| 12/21/1995 | CA2184191A1 Method and apparatus for breaking hydrocarbon emulsions |
| 12/07/1995 | WO1995033018A1 Method for separating water from crude oil and petroleum emulsion cracking agent used therein |
| 12/07/1995 | DE4418800A1 Sepg. water from crude oil |
| 11/07/1995 | US5464522 Electrostatic oil emulsion treating method and apparatus |
| 10/24/1995 | US5460750 Phenolic resins and method for breaking crude oil emulsions |
| 10/17/1995 | US5458765 Heating a sample of liquid hydrocarbon, adding a precipitating amount of carbodihydrazide to hydrocarbon, reheating hydrocarbon while adding a demulsifier and separating contaminants and water from hydrocarbon |
| 09/13/1995 | EP0671429A1 Dense star polymers and a process for producing dense star polymers |
| 08/29/1995 | US5446233 Ethylene plant caustic system emulsion breaking with salts of alkyl sulfonic acids |
| 08/29/1995 | US5445765 Petroleum emulsion breakers |
| 08/29/1995 | CA1336843C Esterified glycidyl ether addition products and their use |
| 06/15/1995 | WO1995015802A1 Separation of liquids |
| 06/15/1995 | CA2178633A1 Separation of liquids |
| 06/06/1995 | US5421993 Process of inhibiting corrosion, demulsifying and/or depressing the pour point of crude oil |
| 05/02/1995 | US5411651 Method for electrostatic liquid/liquid contactor |
| 04/19/1995 | EP0648143A1 Vessel for treating liquids |
| 04/18/1995 | US5407585 Method of demulsifying water-in-oil emulsions |
| 04/12/1995 | CN1101370A Process for oil dewatering |
| 03/29/1995 | CN1100735A Ultra high molecular wt. crude polyether emulsion breaker |
| 03/28/1995 | US5401439 Oil-demulsifiers based on an alkoxylate and preparation of this alkoxylate |
| 03/22/1995 | EP0644250A1 Ethylene plant caustic system emulsion breaking with salts of alkyl aryl sulfonic acids |
| 03/16/1995 | WO1995007325A1 Liquid/solid separation |
| 03/15/1995 | CN1027869C Process for preparing cationic polyether type reversed phase demulsifier |
| 03/08/1995 | EP0641853A2 Method of demulsifying water-in-oil emulsions |
| 02/21/1995 | US5391304 Pressurized breaking colloidal dispersion |
| 02/16/1995 | WO1995004771A1 Reaction products from olefinically unsaturated carboxylic acids and polyetherols and their use as demulsifying agents for crude oil emulsions |
| 01/31/1995 | US5385674 Process for separation of petroleum emulsions of the water-in-oil type |
| 01/24/1995 | US5384039 Crude oil dehydration and desalting system with a higher gravity than 10 degrees API in mixing pipelines |
| 01/19/1995 | WO1994026844A3 Method and apparatus for microwave separation of hydrocarbons or water from emulsions |
| 01/18/1995 | EP0633865A1 A device for magnetic treatment of liquids. |
| 12/08/1994 | WO1994027701A1 Method of removing water from waste oil using surface-active compounds |
| 11/24/1994 | WO1994026844A2 Method and apparatus for microwave separation of hydrocarbons or water from emulsions |
| 11/23/1994 | CN1095403A Dewatering method and equipment of hydrocarbon oil |
| 11/10/1994 | WO1994025132A1 Vessel for treating liquids |
| 11/10/1994 | CA2139337A1 Vessel for treating liquids |
| 11/08/1994 | US5362827 Solution process for preparation hydrophobically functionalized cationic polymers (C-2691) |
| 10/19/1994 | CN1026213C Method for breaking emulsions |
| 10/04/1994 | US5352343 Separation of the components of liquid dispersions |
| 09/28/1994 | EP0617115A1 Device and process for separating phases of different densities and conductivities by electrocoalescense and centrifugation |
| 08/18/1994 | WO1994018124A1 A device for magnetic treatment of liquids |
| 08/04/1994 | DE4307348C1 Oil- and water- emulsion sepn. process |
| 08/03/1994 | EP0608908A2 Dense star polymers and a process for producing dense star polymers |
| 07/21/1994 | WO1994016033A1 Desalter solvent extraction system |
| 07/21/1994 | CA2148704A1 Desalter solvent extraction system |
| 06/29/1994 | EP0448562B1 Removal of mercury from fluids by contact with activated zeolite a |
| 06/29/1994 | CN1088607A Method and equipment for de-salt of crude oil |
| 06/01/1994 | CN1087375A Degassing dehydrating method and apparatus from oil liquid |
| 03/31/1994 | DE4312725C1 Continuous gravity or centrifugal sepn of emulsion, esp oil sludge - involves passage through liq jet pump before sepn |
| 03/02/1994 | EP0584708A1 Polyfunctional demulsifiers for crude oils |
| 02/15/1994 | US5286386 Solvent extraction process for treatment of oily substrates |
| 02/08/1994 | CA1326934C Hydrophobically functionalized cationic-polymers |
| 02/01/1994 | US5282960 Increasing oil in water interfacial tension by mixing with an ion exchange resin |
| 01/04/1994 | US5276247 Contains cationic or anionic surfactants; treating with laminar mineral |
| 12/14/1993 | US5269906 Process for the recovery of oil from waste oil sludges |
| 12/08/1993 | EP0572881A1 Process for the separation of water in oil emulsions |
| 11/11/1993 | DE4214346A1 Continuous processing of water-contg. oil sludge - involves sludge heating using recycled hot oil product portion |
| 10/26/1993 | US5256305 Method for breaking emulsions in a crude oil desalting system |
| 10/14/1993 | DE4212245A1 Continuous processing of oil sludge - to recover clean oil by removing water, salts and solids |
| 10/05/1993 | US5250174 Demulsification of hydrocarbon liquids |
| 09/28/1993 | US5248449 Emulsion breaking using cationic quaternary ammonium starch/gums |
| 09/01/1993 | EP0557286A1 Process for recovery of oil from waste oil sludges |
| 08/04/1993 | CN1074926A Process for preparing demulsifier for mixed crude oil |
| 08/04/1993 | CN1074925A Process for preparing demulsifier for high-solidifiability oil |
| 07/08/1993 | WO1993012856A1 Voltage control system for electrostatic oil treater |
| 07/08/1993 | DE4200133A1 New poly-3,4-di:methylene-pyrrolidinium salts - useful as demulsifiers, flocculants, etc., prepd. from di:allyl-ammonium salt and bi:sulphate |
| 07/07/1993 | EP0549918A1 Demulsifier based on an alkoxylate and process for the preparation of the alkoxylate |