Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502)
06/1998
06/24/1998CN1185491A Process for preparing middle phase asphalt
06/10/1998EP0558682B1 Biodesulfurization of bitumen fuels
05/1998
05/26/1998US5756563 Process for the preparation of stable mixtures of bitumen and polymer
05/20/1998EP0842240A1 Process for deasphalting of residua
05/20/1998EP0745113A4 Removal of contaminants from oil
05/18/1998CA2190538A1 Process for processing, storing, blending, and utilising recyclable modified shingle waste asphalt in the manufacturing of hot mix
05/07/1998DE19652316A1 Asphalt heater for reprocessing cold asphalt rubble
05/06/1998EP0791040A4 Process for isolating mesophase pitch
05/05/1998US5746906 Coal tar pitch blend having low polycyclic aromatic hydrocarbon content and method of making thereof
04/1998
04/29/1998EP0838515A2 A method for producing isotropic pitch, active carbon fibers and carbon materials for non-aqueous secondary battery anodes
04/29/1998CN2280099Y Water dust removing type mobile asphalt melting equipment
04/22/1998CN2279359Y Vertical asphalt heating device
04/15/1998CN1178822A Process for preparing viscosity-gradied asphalt oxide product
04/15/1998CN1178821A Method for preparing penetration graded asphalt oxide product
04/07/1998US5736030 Stirring heavy oil raw material in the presence of a dispersing surfactant, contacting with extracting solvent to extract and remove light components, separating
04/01/1998EP0832166A2 Consumable asphalt containers and method of reducing fumes from a kettle of molten asphalt
03/1998
03/31/1998US5733980 Ethylene α-olefin block copolymers and methods for production thereof
03/31/1998US5733616 Consumable asphalt containers and method of reducing fumes from a kettle of molten asphalt
03/24/1998US5730949 Direct process route to organometallic containing pitches for spinning into pitch carbon fibers
03/17/1998US5728291 Ternary mixture of solvent deasphalting pitch, aromatic extract and asphalt
03/11/1998CN1175619A Container type asphalt concrete waste regeneration treating device
02/1998
02/24/1998US5720871 Organometallic containing mesophase pitches for spinning into pitch carbon fibers
02/05/1998WO1997036970A3 Method for fluidizing tars
02/04/1998EP0669961B1 Process for improved handling of bitumen
02/04/1998CN1037274C Production process of petroleum bitumen oxidizing oil slurry from catalytically cracked heavy oil
02/03/1998US5714056 Process for deasphalting residua (HEN9511)
01/1998
01/27/1998US5711856 Asphalt extracting apparatus
01/27/1998US5711796 Bituminous compositions having enhanced performance properties
01/21/1998CN2272890Y Quick asphalt melting device
01/07/1998EP0815170A1 Acid-reacted polymer-modified asphalt compositions and preparation thereof
01/07/1998CN1169745A Method for preparing a bitumen/elastomer composition, and use same as a road surfacing
12/1997
12/31/1997CN2271531Y Heating case for removing bitumen from pail
12/17/1997CN1167807A Process for preparing carbonaceous material carrying ultrafinely dispersed metal
12/03/1997EP0810276A1 Method for recycling asphalt
11/1997
11/26/1997CN2268703Y Asphalt modiphying apparatus
11/05/1997CN1036333C Method for preparation of active carbon using asphalt as raw material
11/05/1997CN1036332C Method for preparation of active carbon using asphalt as raw material
10/1997
10/15/1997EP0765367A4 Asphalt compositions with improved cross-linking agent
10/09/1997WO1997036970A2 Method for fluidizing tars
10/09/1997CA2245918A1 Method for fluidizing tars
10/08/1997EP0799280A1 Method for preparing a bitumen/elastomer composition, and use thereof as a road surfacing
09/1997
09/17/1997CN1159421A Porous carbon material containing minute pores, and process for preparing the same
08/1997
08/27/1997EP0791040A1 Process for isolating mesophase pitch
08/14/1997WO1997029168A1 Method for reducing sulfur-oxide emissions from an asphalt air-blowing process
08/14/1997CA2243634A1 Method for reducing sulfur-oxide emissions from an asphalt air-blowing process
07/1997
07/24/1997DE19601495A1 Bitumen and/or asphalt used as road surfacing
07/02/1997EP0781887A1 Process and apparatus for making cold bituminous dense products
07/01/1997US5644018 Polymerizing polycyclic aromatic hydrocarbons in presence of hf and bf3, distilling light components
07/01/1997US5643546 Pitch-type carbon fibers and process for their production
06/1997
06/17/1997US5639383 Used mineral motor oil ecological recycling procedure
06/17/1997US5639298 Set control mixture comprising calcium sulfate, natural asphalts
06/12/1997WO1997020770A1 Self-stabilizing pitch for carbon fiber manufacture
05/1997
05/27/1997US5632884 Asphalt compositions, method of preparation, and use
05/22/1997DE19543106A1 Centrifuge especially used for separating bitumen from asphalt
05/02/1997EP0770646A2 Bituminous compositions having enhanced performance properties
04/1997
04/24/1997WO1997014754A1 Method for preparing a bitumen/elastomer composition, and use thereof as a road surfacing
04/23/1997CN1148397A Ethylene' alpha'-olefin block copolymers and method for producing same
04/16/1997EP0768362A1 Process and apparatus to separate bitumen from asphalt
04/09/1997EP0656961B1 Pitch distillation process
04/02/1997EP0765367A1 Asphalt compositions with improved cross-linking agent
03/1997
03/25/1997US5614164 Production of mesophase pitches, carbon fiber precursors, and carbonized fibers
03/19/1997EP0763586A2 Pyrolysable composition for preparing boron-containing polyaromatic mesophases and carbon products, and process for their preparation
03/18/1997US5611910 Adding oxides, hydroxides, carbonates, and/or bicarbonates of sodium, potassium, magnesium, calcium, aluminum, copper, or zinc; weatherproofing
03/12/1997EP0761800A2 Process for preparing sintered mesophase polyaromatic powder
03/12/1997EP0760827A1 ETHYLENE $g(a)-OLEFIN BLOCK COPOLYMERS AND METHODS FOR PRODUCTION THEREOF
03/12/1997CN1034221C Process for producing carbon artifacts with raff chinoline insolubles interphase pitch
03/11/1997US5609800 Process for producing high-density and high-strength carbon artifacts showing a fine mosaic texture of optical anisotropy
02/1997
02/25/1997US5605946 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 same compositions
02/25/1997US5605618 Process for preparing nitrogen-containing isotropic pitch and nitrogen-containing isotropic pitch
02/20/1997DE19531828A1 Recovering highly viscous prods., e.g. oils, from storage areas
02/19/1997CN1143383A Removing contaminants from oil
02/18/1997US5604274 Thermosetting asphalt having continuous phase polymer
02/13/1997WO1996040838A3 Consumable asphalt containers and method of reducing fumes from a kettle of molten asphalt
02/12/1997EP0643755B1 Process for producing solvated mesophase pitch and carbon artifacts therefrom
02/11/1997US5601794 Pitch type carbon fibers and process for their production
02/11/1997US5601697 Demetallation-High carbon conversion process, apparatus and asphalt products
02/06/1997WO1997004041A1 Process for deasphalting of residua
02/06/1997CA2223649A1 Process for deasphalting of residua
02/05/1997EP0757089A1 Improved process for making solvated mesophase pitch
02/05/1997EP0756615A1 Invention concerning production of asphaltmix
01/1997
01/15/1997EP0625178B1 Improved processes for the manufacture of enriched pitches and carbon fibers
01/01/1997CN1139145A Solvated mesophase pitch having substantial quinoline-insoluble content
12/1996
12/19/1996WO1996040838A2 Consumable asphalt containers and method of reducing fumes from a kettle of molten asphalt
12/19/1996CA2223323A1 Consumable asphalt containers and method of reducing fumes from a kettle of molten asphalt
12/12/1996DE19520689A1 Process for mixing bitumen with a size-reduced fibrous material
12/04/1996EP0745163A1 Method and equipment for producing foam bitumen
12/04/1996EP0745113A1 Removal of contaminants from oil
12/03/1996CA2176903A1 Method for reducing sulfur emissions in asphalt processing
12/02/1996CA2178053A1 Encapsulation of asphalt prills
11/1996
11/26/1996US5578663 Pavement rejuvenator and dressing conditioner with elastomer
11/19/1996US5576363 Thermosetting asphalt
11/13/1996CN1135504A 沥青组合物 Bitumen composition
11/12/1996US5573656 Process for converting acid sludge to asphalt
10/1996
10/31/1996WO1996034059A1 Pavement rejuvenator and dressing conditioner with elastomer
10/24/1996WO1996033244A1 Asphalt compositions with improved cross-linking agent
10/09/1996CN2237043Y Complex heating asphalt and taking-out from bucket device with slag cleaning device
10/09/1996CN1132778A Process for manufacturing fine particles of pitch with high softening point
10/02/1996CN1032923C Improved process for the prodn. of mesophase pitch
10/02/1996CN1032922C Process for preparing mesophase pitches able to producing high performance carbon fibre
09/1996
09/19/1996WO1996028513A1 Acid-reacted polymer-modified asphalt compositions and preparation thereof
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