Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502) |
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05/22/2003 | WO2002102928A3 Method for solubilising asphaltenes in a hydrocarbon mixture |
05/22/2003 | WO2002077124A3 Integrated bitumen production and gas conversion |
05/21/2003 | CN1108986C Preparation of interphase carbon microball |
05/07/2003 | CN1415699A Method for oxidizing asphaltum |
04/30/2003 | CN1107099C Storage tablilized modified asphact and its preparing method |
04/23/2003 | CN2546448Y Heavy phase treating apparatus for producing impregnant asphaltum with solvent method |
04/16/2003 | CN1410510A Solvent extraction technology for removing high softening point asphalt in petroleum slag and its equipment |
04/09/2003 | CN2543982Y Two-phase closed type thermal siphon pipe asphalt heater |
04/09/2003 | CN1408750A Stabilizing agent composition for polymer modified asphalt and its preparing method |
04/01/2003 | US6540023 Process for producing a diesel fuel stock from bitumen and synthesis gas |
03/26/2003 | EP1294825A1 Solvating component and solvent system for mesophase pitch |
03/26/2003 | EP1169417A4 Hydroprocessing using bulk group viii/group vib catalysts |
03/26/2003 | EP1169416A4 Production of low sulfur/low nitrogen hydrocrackates |
03/26/2003 | EP1157083A4 Hydrocracking process using bulk group viii/group vib catalysts |
03/19/2003 | EP0799280B1 Method for preparing a bitumen/elastomer composition, and use thereof as a road surfacing |
03/13/2003 | WO2002036712A3 Process for reduction of emissions in asphalt production |
03/11/2003 | US6531516 Integrated bitumen production and gas conversion |
02/27/2003 | US20030040546 Viscoelastic surfactant fluids and related methods of use |
02/19/2003 | CN2536590Y Recirculated asphalt emulsifier |
02/18/2003 | CA2080051C Apparatus and method for recycling asphalt materials |
02/12/2003 | CN1396235A Process for preparing modified refractory asphalt for road |
02/04/2003 | CA2096736C Biodesulfurization of bitumen fuels |
01/29/2003 | EP1171547A4 Hydroconversion process using bulk group viii/group vib catalysts |
01/29/2003 | EP1169414A4 Two stage process for hydrodesulfurizing distillates using bulk multimetallic catalyst |
01/29/2003 | EP1169413A4 Multistage process for hydrodesulfurizing-hydrogenating distillates using bulk multimetallic catalyst |
01/23/2003 | US20030017283 Method of reducing fumes from a vessel of molten asphalt |
01/22/2003 | CN1099451C Asphalt heater |
01/08/2003 | EP1169415A4 Hydroprocessing using bulk group viii/group vib catalysts |
01/08/2003 | EP1169411A4 Hydrotreating or raw virgin distillates using novel bulk multimetallic catalysts |
01/08/2003 | EP0791040B1 Process for isolating mesophase pitch |
01/08/2003 | CN1389538A Method for fracturing rock-layer underground |
01/02/2003 | EP1171549A4 Hydrofining process using bulk group viii/group vib catalysts |
01/02/2003 | EP1153106A4 Slurry hydroprocessing using bulk multimetallic catalysts |
01/01/2003 | CN1388210A Production process of boron substituted carbon material |
01/01/2003 | CN1388209A Prepn of boron substituted carbon material |
12/31/2002 | US6499979 Prilling head assembly for pelletizer vessel |
12/27/2002 | WO2002102928A2 Method for solubilising asphaltenes in a hydrocarbon mixture |
12/27/2002 | CA2450162A1 Method for solubilising asphaltenes in a hydrocarbon mixture |
12/18/2002 | CN1385494A Zirconium containing asphalt and preparation method thereof |
12/12/2002 | US20020185411 Heating a coal tar pitch having a softening point 70-160 degrees C. to 300-600 degrees C. at a pressure of <5 Torr; withdrawing an output coal tar pitch from said processing vessel having a softening point of 140-300 degrees C. |
12/05/2002 | US20020182280 Prilling head assembly for pelletizer vessel |
12/03/2002 | US6488988 Method of reducing fumes from a vessel of molten asphalt |
11/28/2002 | DE10138657A1 Carbon/graphite product production, used for, e.g. aircraft brake preform, comprises providing coal tar pitch of specified softening point, providing coke flour, mixing coal tar pitch and coke flour, and extruding mixture |
11/21/2002 | WO2002092728A2 Coal tar and hydrocarbon mixture pitch and the preparation and use thereof |
11/21/2002 | US20020170846 Integrated bitumen production and gas conversion |
11/21/2002 | US20020170714 Process for producing a diesel fuel stock from bitumen and synthesis gas |
11/21/2002 | CA2446789A1 Coal tar and hydrocarbon mixture pitch and the preparation and use thereof |
11/19/2002 | US6482866 Viscoelastic surfactant fluids and related methods of use |
11/12/2002 | CA2238024C Self-stabilizing pitch for carbon fiber manufacture |
11/11/2002 | CA2357237A1 Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process |
11/06/2002 | EP1254925A2 Bitumen for producing a road topping, a roofing sheet, bitumen in water emulsion form for solidifying a ballast layer or for producing paints and use of paraffin obtained by Fischer-Tropsch synthesis |
11/06/2002 | CN1378582A Method for enhancing asphalt properties |
10/31/2002 | US20020157991 Mild heating asphaltenes in petroleum oils and oil mixture, determining the presence of asphaltene aggregates by irridating petroleum oils and oil mixture with neutrons and determining small angle neutron scattering intensity |
10/30/2002 | CN1376762A Process for preparing energy source and high-grade asphalt from natural asphalt ore |
10/24/2002 | US20020155293 Carbon fiber binder pitch |
10/23/2002 | CN1375541A High-strength modified asphalt |
10/09/2002 | EP1246887A2 Method for enhancing asphalt properties |
10/03/2002 | WO2002077127A2 Process for producing a diesel fuel stock from bitumen and synthesis gas |
10/03/2002 | WO2002077124A2 Integrated bitumen production and gas conversion |
10/03/2002 | WO2002076889A1 Disaggregation of asphaltenes in incompatible petroleum oil mixtures |
10/03/2002 | CA2439304A1 Disaggregation of asphaltenes in incompatible petroleum oil mixtures |
10/01/2002 | CA2086858C Sinterable carbon powder |
09/25/2002 | EP1243316A2 Prilling head assembly for pelletizer vessel |
09/17/2002 | US6451394 Asphalt block resistant to cold flow |
09/17/2002 | CA2055155C Direct process route to organometallic containing pitches for spinning into pitch carbon fibers |
09/11/2002 | EP0882110B1 Method for fluidizing tars |
08/28/2002 | CN2507898Y Shearing, grinding mixing device for modifying and emulsifying asphalt |
08/21/2002 | CN2506642Y Quantitative heater for storage tank continuous direct feeding temp. asphalt |
08/21/2002 | CN1364853A Process for producing anode asphalt for refining aluminium |
08/14/2002 | CN1089109C Method for increasing soluble composition of toluene insoluble pyridine in asphalt |
07/31/2002 | EP1227140A2 Process for obtaining a bitumen of improved aging resistence |
07/18/2002 | US20020094392 Method of reducing fumes from a vessel of molten asphalt |
07/17/2002 | CN1358823A High molecular radiation crosslinking modified asphalt and preparation process |
07/17/2002 | CN1087766C Equipment for producing road asphaltum using super thick oil as raw material |
07/03/2002 | EP0975926B1 Method and calcining furnace for electric calcining of carbonaceous material |
06/19/2002 | CN2495647Y Continuous slow-line asphalt modifying equipment |
06/19/2002 | CN1354221A Preparation method of asphalt modifying agent |
06/18/2002 | CA2102316C Process for the preparation of bitumen-polymer compositions, application of the compositions obtained to the production of coatings and polymer master solution for obtaining the said compositions |
06/13/2002 | DE10065174C1 Modified bitumen production, for use as binder in asphalt mixtures, comprises continuous supply of additives, e.g. waste plastics, to hot liquid bitumen in jet apparatus |
06/06/2002 | DE10058712A1 Verfahren zur Aufarbeitung von aromatischen Rückständen mittels Schwefel The method for the reprocessing of aromatic residues by means of sulfur |
06/04/2002 | US6399680 Acid-reacted polymer-modified asphalt compositions and preparation thereof |
05/30/2002 | WO2002042395A1 Method for treating aromatic residues with sulphur |
05/29/2002 | CN1085723C Method for fluidizing tars |
05/28/2002 | US6395220 Carbonization, graphitization; dispersion in binder |
05/22/2002 | CN2492558Y Transporting and dispensing device for asphalt modifier |
05/14/2002 | US6387342 Production of carbides and nitrides |
05/10/2002 | WO2002036712A2 Process for reduction of emissions in asphalt production |
05/09/2002 | US20020053531 A pump around the wax oil fraction for re-introduction into the vacuum tower |
05/08/2002 | CN1347960A Technological process of producing modified asphalt with waste polymer |
05/07/2002 | US6383464 Method for reducing sulfur-oxide emissions from an asphalt air-blowing process |
05/07/2002 | US6383365 Low softening point petroleum pitch and sealer |
05/01/2002 | CN2488954Y Asphalt modification machine of zoom type in times of complete milling |
05/01/2002 | CN1347442A Improved process for deasphalting residue by reactive recycle for high boiling material |
05/01/2002 | CN1346867A Process for preparing polymer modified asphalt by solvent method |
04/25/2002 | DE10102072C1 Production of flowable bulk material e.g. bitumen comprises coarsely pre-crushing mineral fibers with a bituminous coating and/or aluminum cladding, feeding to an endless screw, and continuously withdrawing a granulate |
04/17/2002 | CN1345360A Method of reducing fumes from vessel of molten asphalt |
04/11/2002 | WO2002028610A1 Method and apparatus for the recycling of bituminous materials, more in particular bituminous roofcovering materials |
04/10/2002 | EP1194498A1 Improved process for deasphalting residua by reactive recycle of high boiling material |
04/03/2002 | CN2484326Y Intermittent asphalt-modifying device |
03/27/2002 | CN1342134A Solid-state composition comprising solid particles and binder |