Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502)
02/2000
02/02/2000EP0975712A1 High temperature, low oxidation stabilization of pitch fibers
02/02/2000CN2361633Y Modified asphalt-stirring mill
02/01/2000US6019830 Cold application, fly ash aqueous colloidal dispersion driveway sealers
01/2000
01/27/2000DE19833192A1 Process for burying highly viscous hydrocarbon products involves heating carrier in heat exchanger, via pump and reactor, with regulator, pipe and nozzles
01/19/2000CN1241614A Heating method for transporting bulk asphalt
01/05/2000CN1048035C Solvated mesophase pitches
12/1999
12/23/1999WO1999065843A2 Graphitizable foam preform
12/22/1999EP0964901A1 Coal tar extract with reduced aromatic hydrocarbon content, method for obtaining same and dermatological and cosmetic compositions
12/22/1999CN1239133A Sulfonated asphalt used for high-temp and -pressure drilling liquid and its preparing process
12/14/1999US6001162 Treating mixture of polymer free asphalt and flux component with reactive sulfur under conditions sufficient to improve rheological properties
12/02/1999WO1999061549A1 Methods for making a pitch-based carbon foam
11/1999
11/23/1999US5989662 Consumable asphalt containers and method of reducing fumes from a kettle of molten asphalt
11/18/1999DE19847484A1 Storage tank for binders such as bitumen
11/17/1999EP0957150A1 Tar and/or oil pitch with a low content of polycyclic aromatic substances and a method for the preparation thereof
11/17/1999EP0957012A2 Filling arrangement for an airbag in a crash protection device
11/03/1999CN1046129C Process for converting acid sludge to intermediate sludge
10/1999
10/21/1999DE19816737A1 Heating and hot storage apparatus especially for bitumen used for house and road joint and crack filling
10/20/1999EP0950042A1 Two-stage process for obtaining significant olefin yields from residua feedstocks
10/06/1999EP0946455A1 Carbon-carbon composite material made from densified carbon foam
09/1999
09/21/1999CA2007721C Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon fibers
09/20/1999CA2634476A1 Asphalt plant having centralized media burner and low fugitive emissions
09/08/1999CN2337150Y Stirring equipment for modified bitumen
09/02/1999WO1999033536A3 Process for separating the carbon mesophase
09/02/1999CA2262253A1 Method and system for hot filtering bitumen with light hydrocarbons
09/01/1999CN2335969Y Solar and middle pressure water asphalt heating device
08/1999
08/31/1999US5944980 Method for producing isotropic pitch, activated carbon fibers and carbon materials for non-aqueous secondary battery anodes
08/25/1999CN1226910A Method for preparing bitumen/polymer compositions, use thereof in surfacing materials
08/25/1999CN1226909A Method for preparing bitumen/functionalised elastomer compositions, use thereof in surfacing materials
08/03/1999US5932186 Graphitizable metal containing pitch fibers
08/03/1999CA2002828C Process for producing environmentally improved coke binder
07/1999
07/14/1999EP0928324A1 Method for reducing sulfur-oxide emissions from an asphalt air-blowing process
07/14/1999CN2328659Y Asphalt melting device (furnace)
07/14/1999CN1222484A Solvated mesophase pitch articles and process for preparation of the same
07/13/1999US5922189 Heating under vacuum the petroleum residues and sludges, sparging with steam or inert gas injection to generate asphalt, condensing volatile products to produce fuel, waxy oil and refined fuel, wax, dewaxy oil
07/08/1999WO1999033536A2 Process for separating the carbon mesophase
06/1999
06/09/1999CN2322969Y Direct combustion fast asphalt heating device
06/08/1999US5910383 Production process of carbonaceous material and battery
06/02/1999CN1218085A Method for production of modified asphalt for construction
05/1999
05/04/1999CA2091508C Process to separate inorganic sludges containing non-volatile hydrocarbons
04/1999
04/21/1999EP0842240A4 Process for deasphalting of residua
04/21/1999EP0628067B1 Asphalt composition and process for obtaining same
04/14/1999EP0907687A1 Method for preparing bitumen/functionalised elastomer compositions, use thereof in surfacing materials
04/14/1999EP0907686A1 Method for preparing bitumen/polymer compositions, use thereof in surfacing materials
04/07/1999CN1213394A Method for fluidizing tars
04/07/1999CN1212990A Method for producing high-viscosity asphalt
03/1999
03/30/1999CA2135933C Process for producing solvated mesophase pitch and carbon artifacts therefrom
03/16/1999US5883162 Funtionalizing agent is a thiolcarboxylic acid, a thiolcarboxylic acid ester and specifically a disulphide having carboxylic groupings or carboxylic esters
03/10/1999EP0900835A2 Direct fired convection heating in residuum oil solvent extraction process
03/09/1999US5879536 Two-stage process for obtaining significant olefin yields from residua feedstocks
03/09/1999US5879535 Two-stage process for obtaining significant olefin yields from residua feedstocks
02/1999
02/23/1999US5874492 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
02/17/1999CN1208065A Preparation of intermediate phase asphalt with solid superacid
01/1999
01/05/1999CA2116084C Process for refining used oils and conversion of acid-sludge produced therein to asphalt
12/1998
12/23/1998EP0760827B1 ETHYLENE $g(a)-OLEFIN BLOCK COPOLYMERS AND METHODS FOR PRODUCTION THEREOF
12/17/1998WO1998056858A1 Paving
12/17/1998WO1998056497A1 Fluids containing viscoelastic surfactant and methods for using the same
12/17/1998CA2287322A1 Paving
12/16/1998EP0612344B1 Process for making carbon electrode impregnating pitch from coal tar
12/09/1998EP0882110A2 Method for fluidizing tars
12/08/1998US5847235 Method of phenol tar desalting
12/02/1998CN2299063Y Self-feeding pitch storage tank
12/02/1998CN2299062Y Support seat of large pitch steel storage tank
12/02/1998CN2299061Y Pitch storage vessel with sectional heating device
12/01/1998US5843303 Direct fired convection heating in residuum oil solvent extraction process
12/01/1998US5843302 Solvent deasphalting unit capable of generating power
12/01/1998US5843301 Electrodynamic-chemical processing for beneficiation of petroleum residue
11/1998
11/10/1998CA2102718C Process for the further processing of the vacuum residue in a crude oil refinery
11/04/1998CN1197833A Preparation of interphase carbon microball
11/04/1998CN1197832A Asphalt heating method using solar energy and medium-pressure water
10/1998
10/29/1998WO1998047967A1 Method for preparing bitumen/functionalised elastomer compositions, use thereof in surfacing materials
10/29/1998WO1998047966A1 Method for preparing bitumen/polymer compositions, use thereof in surfacing materials
10/28/1998CN2295700Y Apparatus for releasing asphalt from barrel
10/22/1998WO1998046954A1 Method and calcining furnace for electric calcining of carbonaceous material
10/22/1998CA2285961A1 Method and calcining furnace for electric calcining of carbonaceous material
10/15/1998WO1998045386A1 High temperature, low oxidation stabilization of pitch fibers
10/13/1998US5820257 Asphalt plant having silo with dynamic input and output mass monitoring devices
09/1998
09/30/1998CN1040016C Method for producing high softened hydrocarbon material from paper softening point hydrocarbon material in coated film evaporator technology
09/23/1998EP0865411A1 Self-stabilizing pitch for carbon fiber manufacture
09/22/1998US5811607 Composite shingle particle salvage system
09/17/1998WO1998040447A1 Coal tar extract with reduced aromatic hydrocarbon content, method for obtaining same and dermatological and cosmetic compositions
09/17/1998DE19710218A1 Additive used in road construction
09/17/1998CA2284871A1 Coal tar extract with reduced aromatic hydrocarbon content, method for obtaining same and dermatological and cosmetic compositions
09/09/1998EP0863196A1 Process for the preparation of bitumen for road use
08/1998
08/27/1998DE4138651A1 Direct process route to organo:metallic containing pitches for spinning into pitch carbon fibres
08/19/1998EP0859030A1 Aqueous emusion of a bitumeous product
08/18/1998CA2215872A1 Cold application fly ash aqueous colloidal dispersion driveway sealers
08/12/1998EP0815170A4 Acid-reacted polymer-modified asphalt compositions and preparation thereof
08/12/1998CN1190426A Consumable asphalt cotainer and method of reducing fumes from kettle of molten asphalt
08/05/1998CN1189453A Petroleum asphalt based active carbon and its prepn. method
08/04/1998US5788755 Using water and bitumen; for asphalt work
07/1998
07/28/1998US5785516 Conveyable heating apparatus
07/23/1998WO1998031519A1 Method and apparatus for recycling of bituminous materials, more in particular bituminous roofing materials
07/22/1998CN1188136A Method for preparing narrow size distribution asphalt ball
07/14/1998US5779880 Carbonaceous powder to be dispersed in electrorheological fluid and electrorheological fluid using the same
07/07/1998CA1339940C Process for preparing a bituminous binder modified with synthetics for construction materials
06/1998
06/25/1998WO1998027032A1 Two-stage process for obtaining significant olefin yields from residua feedstocks
06/25/1998WO1998027031A1 Two-stage process for obtaining significant olefin yields from residua feedstocks
06/25/1998WO1998027023A1 Carbon-carbon composite material made from densified carbon foam
06/25/1998CA2274454A1 Two-stage process for obtaining significant olefin yields from residua feedstocks
06/25/1998CA2272250A1 Two-stage process for obtaining significant olefin yields from residua feedstocks
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