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