| Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502) |
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| 10/29/2008 | EP1513892B1 Conversion products of mixtures of long-chained fatty acids and aliphatic diamines, and the use thereof |
| 10/29/2008 | CN101294090A Fine purification method for coal tar pitch |
| 10/29/2008 | CN101294089A Method for producing coal tar pitch |
| 10/29/2008 | CN101294000A Emulsified asphalt for slurry envelop and micro-surfacing and preparation method thereof |
| 10/28/2008 | CA2613873C An improved process for recovering solvent from asphaltene containing tailings resulting from a separation process |
| 10/23/2008 | WO2008128252A1 Apparatus, system, and method for in-situ extraction of hydrocarbons |
| 10/22/2008 | CN201136856Y Asphalr heating kettle of deasphalting device of small handling capacity by butane |
| 10/22/2008 | CN101289625A Production process of dipping agent bitumen |
| 10/22/2008 | CN101289624A Process for producing moderate temperature modified bitumen by continuously pressurizing and hot-polymerizing at two stages connected in series |
| 10/22/2008 | CN100427568C Ion liquid solvent for dissolving and removing asphaltene deposit and preparing method thereof, and method for removing asphaltene and regeneration method of the ion liquid solvent |
| 10/16/2008 | US20080251418 Functionalizing asphaltenes by selectively substituting polar substituents onto aromatic rings of asphaltenes present in heavy hydrocarbon feed stream by electrophilic aromatic substitution, rendering asphaltenes less soluble in feedstream resulting in their precipitation; reduced catalyst deactivation |
| 10/15/2008 | EP1169414B1 Two stage process for hydrodesulfurizing distillates using bulk multimetallic catalyst |
| 10/15/2008 | CN101284920A Emulsified bitumen modifying agent with wide domain and high adhered modification, usage and prepared bitumen |
| 10/14/2008 | US7435333 Upgrading asphaltene containing oils |
| 10/07/2008 | CA2587166C An improved process for recovering solvent from asphaltene containing tailings resulting from a separation process |
| 10/01/2008 | CN201125230Y Solid asphalt melting system |
| 09/30/2008 | CA2262282C Asphalt plant having centralized media burner and low fugitive emissions |
| 09/24/2008 | CN100420718C Multi grade asphalt powder additive |
| 09/18/2008 | WO2008110486A1 Method and device for separating mixtures |
| 09/18/2008 | US20080223754 Systems and methods for residue upgrading |
| 09/18/2008 | CA2679729A1 Method and device for separating mixtures |
| 09/17/2008 | CN100419043C Asphalt aqueous emulsion and method for preparation |
| 09/12/2008 | CA2624746A1 Methods and systems for producing reduced resid and bottomless products from heavy hydrocarbon feedstocks |
| 09/10/2008 | CN101260313A Process to prepare a sweet crude |
| 09/10/2008 | CN101260308A Separating agent for extracting asphalt from oil-sand |
| 09/04/2008 | US20080210597 Obtained by subjecting a mixture comprising a first vacuum residue and a first petroleum distillate, which is lighter than the vacuum residue and has high amounts of aromatic and resin, to solvent deasphalting; wax content and ductility after a thin film oven test can be further improved |
| 09/03/2008 | CN100415852C Compound emulsifier for promoting asphalt spheroidization |
| 08/27/2008 | CN201106038Y Asphalt flat-jet heating furnace |
| 08/21/2008 | US20080200353 Aqueous erucyl amidopropyl betaine and an acid or salt, preferably sulfonic acids or aromatic carboxylic acids, chlorides of potassium, ammonium, calcium or tetramethylammonium, or calcium bromide; thickener for suspending particles during subterranean excavation |
| 08/13/2008 | CN100410348C Straight-run asphalt |
| 08/13/2008 | CN100410327C Process for preparing waste-tyre rubber-powder modified pitch, and its host machine |
| 08/09/2008 | CA2623127A1 Mid temperature and ambient temperature applied asphalt compositions |
| 08/06/2008 | CN201095628Y Continuous asphalt barrel-removing machine |
| 08/05/2008 | US7407571 upgrader; gasifier; hydroprocessing unit; hydrogen recovery unit; producing sweet synthetic crude |
| 08/05/2008 | CA2424811C Carbonyl, thiocarbonyl or imine containing compounds as asphaltene dispersants in crude oil |
| 07/30/2008 | EP1504062A4 Multigrade asphalt powder additive |
| 07/23/2008 | CN101228252A High quality asphalt containing pitch and preparing method thereof |
| 07/23/2008 | CN101228235A Method for preparing bitumen base |
| 07/16/2008 | CN101220284A Method for producing electrode impregnation asphalt |
| 07/09/2008 | CN100400600C Chemical blend modified asphalt and its preparation method and double-sided self-adhesive waterproof coiled materials by wet-paving method |
| 07/03/2008 | WO2008077233A1 Method for low-severity gasification of heavy petroleum residues. |
| 07/03/2008 | WO2008057997A3 Antioxidant treatment of asphalt binders |
| 07/01/2008 | US7393449 Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content |
| 06/25/2008 | CN100396606C Process for producing spherical activated carbon |
| 06/19/2008 | WO2008051498A3 Enhanced solvent deasphalting process for heavy hydrocarbon feedstocks utilizing solid adsorbent |
| 06/18/2008 | CN201074226Y Aluminum cathode asphalt melting system |
| 06/18/2008 | CN201074225Y Asphalt melting device |
| 06/17/2008 | CA2435113C Process for treating heavy oil emulsions using a light aliphatic solvent-naphtha mixture |
| 06/12/2008 | CA2671164A1 Improved fluidized coking process |
| 06/11/2008 | CN201071355Y Modified bitumen preparing tank |
| 06/11/2008 | CN101195758A Technique for producing different softening point special bitumen by using native asphalt bitumen |
| 06/10/2008 | CA2327016C Sulfur-in-oil in asphalt and polymer composition and process |
| 06/10/2008 | CA2164177C Process for the preparation of stable mixtures of bitumen and polymer |
| 06/04/2008 | EP1401988B1 Method for solubilising asphaltenes in a hydrocarbon mixture |
| 06/03/2008 | US7381320 Heavy oil and bitumen upgrading |
| 05/29/2008 | WO2008037833A8 Process for producing dense graphites from a doped synthetic mesophase tar |
| 05/28/2008 | CN101185837A Method and device for fathering bitumen waste gases |
| 05/21/2008 | CN101184825A Process for production of mesocarbon microbeads |
| 05/20/2008 | US7374659 blowing an oxygen-containing gas through asphalts, at a high gas flow rate while simultaneously agitating the base asphalt at a high shear rate and at an elevated temperature for a period of time that is effective to substantially improve rutting and fatigue resistance; paving |
| 05/20/2008 | CA2445645C Apparatus and process for coalescing bitumen in an oil sand slurry |
| 05/14/2008 | CN101177536A AH-70 modified bitumen production method |
| 05/07/2008 | EP1917309A1 Method for preparing bitumen base |
| 05/07/2008 | EP1917119A1 Hot air device for thermowelding bitumen membranes |
| 05/06/2008 | CA2302053C Bitumen or asphalt for producing a road topping, road topping and method for the production of bitumen or asphalt |
| 05/02/2008 | WO2008049201A1 Steam generation apparatus and method |
| 05/01/2008 | US20080099372 Deasphalting tar using stripping tower |
| 05/01/2008 | US20080099371 Feeding tar to a solvent deasphalter producing a slurry of solvent containing a soluble portion of the tar, and a heavy tar fraction; separating; the overheads are recycled to the solvent deasphalter, cracked |
| 04/30/2008 | CN201053006Y Modified natural asphalt molten tank |
| 04/30/2008 | CN101170013A Automatic ration pitch filling machine for electromagnetic common heat capacitor |
| 04/24/2008 | CA2565477A1 Steam generation apparatus and method |
| 04/23/2008 | CN101165139A Method for preparing asphalt water slurry by granulation of petroleum series and coal series asphalt residue |
| 04/17/2008 | US20080090148 production of coated carbonaceous particles including: providing a carbon-residue-forming material; providing particles of a carbonaceous material; mixing the carbon-residue-forming material and the particles of a carbonaceous material at an elevated temperature; depositing a coating of the carbon-resid |
| 04/16/2008 | CN101163777A Method for producing caking additive for coke |
| 04/16/2008 | CN101161778A Method for preparing modified asphalt |
| 04/16/2008 | CN100381539C Method for extracting asphalt from oil sand and its use |
| 04/03/2008 | WO2008037833A1 Process for producing dense graphites from a doped synthetic mesophase tar |
| 03/26/2008 | CN201040745Y Modified asphalt cooling device |
| 03/22/2008 | CA2585626A1 Pre-combustion mix drum |
| 03/11/2008 | US7341656 Using a combination of superheated steam and reaction gas to promote oxidation and thermal reaction of heavier hydrocarbons, while simultaneously removing volatile components with a steam stripping |
| 03/06/2008 | WO2008005410A3 Method for producing dearomatized asphalt |
| 03/05/2008 | EP1171549B1 Hydrofining process using bulk group viii/group vib catalysts |
| 03/05/2008 | EP1153106B1 Slurry hydroprocessing using bulk multimetallic catalysts |
| 03/05/2008 | CN201031217Y Asphaltum quick-speed elevated temperature device |
| 03/05/2008 | CN101134902A Thawing furnace for modified asphalt |
| 03/05/2008 | CN101134901A Material post gravity type asphalt automatic rapid fusing method and device |
| 03/05/2008 | CN101134148A Bitumen flue gas purifying method and device |
| 02/28/2008 | US20080047871 Crude oil storage and tank maintenance |
| 02/27/2008 | CN100371420C Modified coal tar, and producing method |
| 02/21/2008 | WO2008019648A1 Method for reusing reclaimed asphalt and producing mixed asphalt material |
| 02/21/2008 | DE102006038614A1 Verfahren zur Wiederverwendung von Ausbauasphalten und Herstellung von Asphaltmischgut Process for recycling asphalt expansion and production of asphalt mixtures |
| 02/21/2008 | CA2660700A1 Method for reusing reclaimed asphalt and producing mixed asphalt material |
| 02/14/2008 | WO2007103345A8 Apparatus and method for a hot mix asphalt plant using a high percentage of recycled asphalt products |
| 02/01/2008 | CA2595445A1 Methods for producing a pitch foam |
| 01/31/2008 | CA2593813A1 Process for the total conversion of heavy feedstocks to distillates |
| 01/31/2008 | CA2593810A1 Process for the total conversion of heavy feedstocks to distillates |
| 01/30/2008 | CN100365098C Preparation method of asphalt for water power engineering |
| 01/29/2008 | US7323120 Coated carbonaceous particles particulary useful as electrode materials in electrical storage cells, and methods of making the same |
| 01/29/2008 | CA2450228C Cold in-place recycling of bituminous material |
| 01/23/2008 | CN100363462C Process for preparing SBS modified asphalt |
| 01/15/2008 | US7318891 Noah's pitch process |