Quotables
"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7612117 | Emulsion breaking process The invention pertains to the use of a class of acetylenic surfactants to resolve or break water and oil emulsions. The surfactants are of particular advantage in resolving crude oil emulsions of the type encountered in desalter and similar apparatus designed to ext... | 11/03/2009 |
| 6972275 | Oil-in-oil emulsion lubricants for enhanced lubrication Novel oil-in-oil emulsions and methods of lubrication using the same are provided. The lubricants are stable emulsions of carrier fluid and high viscosity fluid that display superior properties related to lubricating film thickness and reduced shear strength. ... | 12/06/2005 |
| 6255263 | Lubricant compositions exhibiting improved demulse performance Hydraulic or industrial functional fluids which exhibit excellent demulse performance are prepared comprising at least one oil-soluble polyoxypropylene glycol monoalkyl ether.... | 07/03/2001 |
| 6225357 | Polymer compositions for demulsifying crude oil Polymer compositions made by reacting a polyol with an aromatic hydrocarbon containing only a single reactive functionality have been discovered to be useful demulsifiers for crude oil compositions. The aromatic hydrocarbon should have at least one aryl g... | 05/01/2001 |
| 6172123 | Demulsifiers for separating oil and water mixtures A method for preventing or breaking oil and water mixtures comprising adding thereto a branched reaction product of A) at least one linking compound of formula I R1 (X)3 (I) wherein each X group is a halogen atom or one X group is a halogen a... | 01/09/2001 |
| 5858247 | Sludge demulsification process and agents The invention involves the demulsification and liquefaction of hydrocarbon based sludges. A demulsifier and a liquefaction agent and methods of using the same are disclosed. In a preferred embodiment, the demulsifier contains a salt of DDBSA, polypropylen... | 01/12/1999 |
| 5693257 | Compositions and method for breaking water-in-oil emulsions Compositions of an alkylphenol-formaldehyde resin and poly(alkylene glycol) are effective at breaking water-in-oil emulsions in a liquid hydrocarbon. Preferably, the composition is employed in a crude oil desalting system.... | 12/02/1997 |
| 5684096 | Adducts of polyalkylene glycol and diglycidyl ether Water-in-oil emulsions are broken by the use of adducts prepared by reacting high molecular weight polyalkylene glycol with ethylene oxide, or diglycidyl ether, or both ethylene oxide and diglycidyl ether. The adduct demulsifiers may be used alone or as a... | 11/04/1997 |
| 5505878 | Method of demulsifying water-in-oil emulsions Water-in-oil emulsions are broken by the use of adducts prepared by reacting high molecular weight polyalkylene glycol with ethylene oxide, or diglycidyl ether, or both ethylene oxide and diglycidyl ether. The adduct demulsifiers may be used alone or as a... | 04/09/1996 |
| 5474607 | Bitumen emulsions A method of modifying a cationic bitumen emulsion by initiating coalescence by either (i) adding a specific chemical agent or (ii) physical reaction. The method includes modifying the bitumen emulsion by combining a second emulsion with a primary emulsion... | 12/12/1995 |
| 5407585 | Method of demulsifying water-in-oil emulsions Water-in-oil emulsions are broken by the use of adducts prepared by reacting high molecular weight polyalkylene glycol with ethylene oxide, or diglycidyl ether, or both ethylene oxide and diglycidyl ether. The adduct demulsifiers may be used alone or as a... | 04/18/1995 |
| 5401439 | Oil-demulsifiers based on an alkoxylate and preparation of this alkoxylate Oil demulsifiers are based on an alkoxylate having a polydispersity of at least 1.7, and the alkoxylates are prepared using a metal alcoholate as a catalyst.... | 03/28/1995 |
| 5256305 | Method for breaking emulsions in a crude oil desalting system Method of breaking the desalter emulsion in a crude oil desalting system in which oil based demulsifiers are added to the wash water stream and mixed prior to contacting the crude oil. The method is effective for crude oils which form reverse (oil-in-wate... | 10/26/1993 |
| 5256329 | 1,1-dichloro-1-fluoroethane dewatering systems This invention relates to compositions comprising a volatile hydrochlorofluorocarbon such as 1,1-dichloro-1-fluoroethane and demulsifer. The compositions are effective as drying agents.... | 10/26/1993 |
| 5198135 | Antiemulsion/antifoam agent for use in oils The present invention deals with a particular antiemulsion agent which is useful in retarding foam and/or emulsion formation in an engine. In particular, the agent is effective at preventing or retarding emulsion or foaming in an engine oil.... | 03/30/1993 |
| 5114616 | Esterified glycidyl ether addition products and their use The novel glycidyl ether addition products are obtained by esterification of a diol compound, selected from the group comprising linear oxyalkylates and other amine-free aliphatic diols, and an addition compound of polyether block polymers and glycidyl et... | 05/19/1992 |
| 5084197 | Antiemulsion/antifoam agent for use in oils The present invention deals with a particular antiemulsion agent which is useful in retarding foam and/or emulsion formation in an engine. In particular, the agent is effective at preventing or retarding emulsion of foaming in an engine oil.... | 01/28/1992 |
| 4814394 | Polyethers obtainable by reacting alkylolated bis-(4-hydroxyphenyl)-methanes with polyalkylene oxides, and their use as oil demulsifiers Polyethers with are suitable as oil demulsifiers are obtainable by reacting (A) a polyalkylene oxide obtained from ethylene oxide and propylene oxide and containing in total from 5 to 200 alkylene oxide units with (B) an alkylolation product of a low molecular weig... | 03/21/1989 |
| 4753661 | Fuel conditioner A fuel conditioner comprises a polar oxygenated hydrocarbon having a molecular weight from about 250 to about 500; an acid number of from about 25 to about 125, preferably from 50 to 100; and a saponification number from about 30 to about 250. The polar c... | 06/28/1988 |
| 4626379 | Demulsifier composition and method of use thereof Novel demulsifier compositions, their method of preparation and use as demulsifiers are described. The novel demulsifiers comprise the partially condensed reaction product of a blend of at least two oxyalkylated materials with a vinyl monomer. The demulsi... | 12/02/1986 |
| 4551239 | Water based demulsifier formulation and process for its use in dewatering and desalting crude hydrocarbon oils Oil is dehydrated and/or desalted by the influence of a dewatering and desalting formulation which can be characterized as an admixture of (i) a demulsifier preferably an alkylene oxide alkyl phenol-formaldehyde condensate such as a poly ethoxylated nonyl... | 11/05/1985 |
| 4524007 | Polyester demulsifiers and compositions thereof Compounds comprising ether capped alcohols, particularly alkoxy polyalkylene glycols with organic acids are highly effective demulsifier additives when incorporated into various liquid hydrocarbyl lubricant media.... | 06/18/1985 |
| 4516981 | Residual oil sludge dispersant A non-ionic composition for dispersing sludge and causing rapid separation of water for easy removal, in residual oils is formed from a blend of N-hexanol, diethylene glycol methyl ether and isooctyl phenyl polyethoxy ethanol. The dispersant, when used in... | 05/14/1985 |
| 4481130 | Method for demulsifying water-in-oil emulsions A method for continuously demulsifying a viscous, stable water-in-oil emulsion, which emulsion comprises from 50 to 80% water as the dispersed phase, comprises passing the emulsion and a chemical demulsifier through a mixing device having at least one flo... | 11/06/1984 |
| 4479016 | Ethoxylates of diacetylene alcohols and the use of these compounds as surfactants The invention relates to ethoxylates of diacetylene dialcohols as well as the use of these compounds as surfactants.... | 10/23/1984 |
| 4420413 | Oxyalkylated addition products from ethylene oxide-propylene oxide block polymers and bis-glycidyl ethers and their use Oxyalkylated addition products from ethylene oxide-propylene oxide block polymers and bis-glycidyl ethers, obtained by the addition of ethylene oxide-propylene oxide block polymers of the formula ##STR1## wherein R denotes methyl or ethyl, n and m ar... | 12/13/1983 |
| 4419265 | Addition products from ethylene oxide-propylene oxide block polymers and bis-glycidyl ethers, a process for their preparation and their use Addition products from ethylene oxide-propylene oxide block polymers of the formula ##STR1## wherein R denotes methyl or ethyl, n and m are numbers which are so chosen that the content of polyethylene oxide constitutes 5 to 80% of the molecular ... | 12/06/1983 |
| 4394273 | Defoamers for aqueous liquids containing soluble zinc salts 2,6,8-Trimethyl-4-nonanone and the triethoxylated derivative of 2,6,8-Trimethyl-4-nonanol synergistically combine to reduce the foaming of heavy brines containing zinc bromide and one or more soluble salts from the group calcium chloride and calcium bromi... | 07/19/1983 |
| 4326968 | Method for breaking petroleum emulsions and the like using micellar solutions of thin film spreading agents comprising polyepoxide condensates of resinous polyalkylene oxide adducts and polyether polyols The invention relates to the use of a homogeneous, micellar solution of a water-insoluble thin film spreading agent comprising polyepoxide condensates of resinous polyalkylene oxide adducts and polyether polyols for the breaking of petroleum emulsions, an... | 04/27/1982 |
| 4326984 | Micellar solutions of thin film spreading agents comprising polyepoxide condensates or resinous polyalkylene oxide adducts and polyether polyols The invention provides a homogeneous, micellar solution of a water-insoluble thin film spreading agent comprising polyepoxide condensates of resinous polyalkylene oxide adducts and polyether polyols comprising: (a) from between about 5% and about 75% by w... | 04/27/1982 |
| 4321147 | Demulsification of bitumen emulsions with a high molecular weight polyol containing discrete blocks of ethylene and propylene oxide A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polyols of 4 and greater functionality containing discrete blocks of ethylene oxide and propylene oxide whe... | 03/23/1982 |
| 4321146 | Demulsification of bitumen emulsions with a high molecular weight mixed alkylene oxide polyol A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polyols of 2 and greater functionality containing predominantly mixed ethylene oxide and propylene oxide wh... | 03/23/1982 |
| 4316808 | Method for breaking petroleum emulsions and the like using micellar solutions of thin film spreading agents comprising an acylated polyether polyol The invention relates to the use of a homogeneous, micellar solution of a water-insoluble thin film spreading agent for the breaking of petroleum emulsions, and the like, comprising: (a) from between about 5% and about 75% by weight of an acylated polyeth... | 02/23/1982 |
| 4309306 | Micellar solutions of thin film spreading agents comprising resinous polyalkylene oxide adducts The invention provides a homogeneous, micellar solution of a water-insoluble thin film spreading agent, comprising: (a) from between about 5% and about 75% by weight of resinous polyalkylene oxide adducts; (b) from between about 2% and about 30% by weight... | 01/05/1982 |
| 4306981 | Method for breaking petroleum emulsions and the like comprising resinous polyalkylene oxide adducts The invention relates to a method of breaking petroleum emulsions by utilization of a micellar solution of a water-insoluble thin film spreading agent, comprising: (a) from between about 5% and about 75% by weight of resinous polyalkylene oxide adducts; (... | 12/22/1981 |
| 4302326 | Tar sands emulsion-breaking process Disclosed is a process for breaking an oil-in-water emulsion, in particular a raw emulsion produced in in situ tar sand plants, by first contacting with a polyethylene polymeric resin having a molecular weight in the range of 100,000 and 7,000,000 the raw... | 11/24/1981 |
| 4266080 | Perfluoroalkylthioethyl ether derivatives Perfluoroalkyl compounds containing ether groups have the formula wherein Rf is a perfluoroalkyl, R1 is alkylene or alkyleneoxy or aminoalkylene, T is alkylene, and Z is hydrogen; hydroxy; NR3 R4, where R3... | 05/05/1981 |
| 4183821 | Heteric/block polyoxyalkylene compounds as crude oil demulsifiers There are disclosed polyoxyalkylene compound demulsifying agents derived from tetrahydrofuran and C2 -C4 vicinal alkylene oxides which are heteric/block copolymers; a process for the preparation of said polyoxyalkylene compounds; a d... | 01/15/1980 |
| 4125382 | Fuels containing polyoxyalkylene ether demulsifiers Fuels containing detergents have improved water tolerance when combined with acetal or ester terminated polyoxyalkylene ether compounds, acetal or carbonate coupled polyoxyalkylene ether compounds or C8 -C18 epoxide adducts of polyox... | 11/14/1978 |
| 4058453 | Demulsification of oil emulsions with a mixture of polymers and alkaline earth metal halide A process for recovering oil from either water-bituminous petroleum emulsions or from crude petroleum emulsions having a pH of 10 or less by adding thereto an optimum amount of non-ionic, water soluble polyethylene oxide polymers at a pH of 10 or less, an... | 11/15/1977 |
