Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502) |
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01/17/1995 | CA1334011C Process for the production of mesophase pitch from isotropic pitch |
01/17/1995 | CA1334010C Process for the production of mesophase pitch |
01/05/1995 | DE4320664A1 Process for producing asphalt using heated, fresh asphalt and heated, worked-up reclaimed asphalt |
12/28/1994 | EP0630944A1 Bitumen additive |
12/28/1994 | CN2186243Y Sealed asphalt dissolving furnace |
12/28/1994 | CN2186242Y Moving asphalt heating device |
12/23/1994 | CA2126396A1 Bitumen additive |
12/14/1994 | EP0628067A1 Asphalt composition and process for obtaining same |
12/06/1994 | CA1333374C Binder pitch and method of preparation |
11/23/1994 | EP0625179A1 Process for increasing pitch yield from coal tar |
11/09/1994 | EP0623667A2 Used mineral motor oil ecological recycling procedure |
11/02/1994 | EP0621887A1 Improved rubber asphalt mix |
11/02/1994 | CN1026415C Method and equipment for smelting heat conductive oil and heating pipe anti-corrosion asphalt |
10/29/1994 | CA2122289A1 Used mineral motor oil ecological recycling procedure |
10/19/1994 | CN1026242C Fused-coal asphalt and preparation method thereof |
10/18/1994 | US5356574 Process for producing pitch based activated carbon fibers and carbon fibers |
10/11/1994 | US5354475 Process for separating polar and non-polar constituents from coal tar distillates |
10/04/1994 | CA1332201C Fluidized-bed reaction apparatus and a fluidizing bed reaction process using the same |
10/03/1994 | CA2118983A1 Upgrading of bitumen by hot water treatment |
09/15/1994 | DE4307343A1 Impregnation and binder pitches and their production |
09/13/1994 | US5346615 Precipitation with organic carbonate |
08/31/1994 | EP0612344A1 Process for making carbon electrode impregnating pitch from coal tar |
08/24/1994 | CN1025744C Quick heating device for asphalt |
08/24/1994 | CN1025742C A process for preparing a bituminous binder modified with synthetics for construction materials |
08/23/1994 | US5340511 Production of carbon fibre |
08/18/1994 | DE4323256A1 Process for reducing the mixing temperature and the viscosity of bitumen and/or bitumen-bound building material mixtures |
08/16/1994 | US5337965 Method and apparatus for recycling asphalt based roofing material |
08/09/1994 | CA1331332C Dispersions and emulsions |
08/02/1994 | US5334641 Rubber asphalt mix |
08/02/1994 | US5333600 Portable tar melting kettle assembly |
07/19/1994 | US5330569 One-step production without air blowing from green phosphoric acid and bituminous material or petroleum residuum |
07/13/1994 | CN1089298A Process for the further processing of the vacuum residue in a crude oil refinery |
07/06/1994 | CN2170947Y Device for quick-heating thick liquid |
07/05/1994 | US5326457 Process for making carbon electrode impregnating pitch from coal tar |
06/29/1994 | EP0604258A1 Aqueous bitumen polymer emulsions, their preparation method and their applications |
06/22/1994 | EP0603028A1 Bitumen-polymer compositions, preparation method and application |
06/22/1994 | EP0591218A4 Non-carcinogenic bright stock extracts and deasphalted oils and process for the production thereof |
06/15/1994 | EP0600910A1 Production of hard asphalts by ultrafiltration of vacuum residua |
06/15/1994 | CN2168867Y Pitch dewatering tank by heating |
06/14/1994 | US5320739 Method of producing asphalt having an increased penetration and penetration index |
06/08/1994 | EP0600203A1 Process for further treating a vacuum residue in a refinery |
06/08/1994 | CN2167992Y Automatic asphaltum-oil heating device |
06/07/1994 | CA1329965C Substance for forming lustrous carbon residues from phenol synthesis |
05/31/1994 | US5316659 From tar sands, superheated |
05/31/1994 | US5316654 Wiped film evaporation and recovering pitch |
05/26/1994 | WO1994011444A1 Process for improved handling of bitumen |
05/03/1994 | US5308898 Bituminous compositions including residues of thermoplastic polymers with polyurethane foams and thermoset resin, etc. |
05/03/1994 | US5308470 Non-carcinogenic asphalts and asphalt blending stocks |
04/28/1994 | DE4336268A1 Emission-free extn esp of bitumen from asphalt - with reduced solvent requirement and without use of chlorocarbon(s) |
04/27/1994 | EP0594301A1 Process for producing pitch based activated carbon fibers |
04/27/1994 | CN2163174Y Bitumen air heating system |
04/26/1994 | US5306750 Polymer containing epoxy compound; storage stability; road paving, roofing |
04/26/1994 | US5306681 Method for recovery or maintaining the activity of hydroisomerization catalysts |
04/26/1994 | US5306415 Oxygenated pitch and processing same |
04/13/1994 | EP0591218A1 Non-carcinogenic bright stock extracts and deasphalted oils and process for the production thereof |
04/13/1994 | CN2161620Y Rubber asphalt felt maceration extract fusion equipment |
04/13/1994 | CN2161619Y Agitating type modified asphalt working-up device |
04/10/1994 | CA2108111A1 Method and apparatus for recycling asphalt based roofing material |
03/31/1994 | WO1994006887A1 Process of oxidation of bitumen or the like |
03/30/1994 | CN2159964Y Producing device for madi grease |
03/15/1994 | US5294062 Apparatus for recycling asphalt materials |
03/09/1994 | CN1083511A Process for producing solvated mesophase pitch and carbon artifacts therefrom |
03/08/1994 | US5292473 Process for preparing pitch for matrix |
03/03/1994 | WO1994004727A1 Hydrocarbyl distillation process |
03/03/1994 | CA2136023A1 Hydrocarbyl distillation process |
03/02/1994 | EP0585193A1 Method for the industrial manufacture of carbon-containing mesophase microspheres and derived carbon objects |
03/02/1994 | CN1083090A Hydrocarbyl process by distillation |
02/22/1994 | US5288392 Process for converting acid sludge to intermediate sludge |
02/17/1994 | WO1994003559A1 Process for making carbon electrode impregnating pitch from coal tar |
02/17/1994 | CA2120597A1 Process for making carbon electrode |
02/16/1994 | EP0582703A1 Method for preparing bitumen-polymer compositions, application of said compositions to the production of coatings, and mother polymer solution for obtaining said compositions. |
02/08/1994 | US5284509 Method for producing superior quality paving asphalt and product prepared therefrom |
02/08/1994 | CA1326933C Process for producing pitch for carbon materials |
02/01/1994 | US5283045 Sinterable carbon powder and method of its production |
01/26/1994 | EP0579973A1 Pitch-based activated carbon fiber |
01/26/1994 | CN1081161A Process for converting acid sludge to intermediate sludge |
01/20/1994 | DE4223246A1 Sepn. of tar from mixts. of tar and solid material - comprising crushing, heating at specific pressure and water treating |
01/18/1994 | CA2009121C Process for the production of petroleum tar pitch for use as a binder in the production of electrodes |
01/05/1994 | EP0577408A2 High compressive strength pitch based carbon fiber |
01/05/1994 | DE4220767A1 Methylene-bis-(N,N-di:alkyl:di:thio:carbamate prodn. for elastomer and lubricant - by reacting sodium-N,N-di:alkyl:di:thio:carbamate(s) with methylene chloride |
12/21/1993 | CA1325417C Method for activating infusibilized pitch beads |
12/15/1993 | CN2149395Y Rubbing type equipment for heating and melting asphalt |
12/14/1993 | US5270361 Asphalt composition and process for obtaining same |
12/09/1993 | WO1993024590A1 Process for producing solvated mesophase pitch and carbon artifacts therefrom |
11/30/1993 | US5266184 Process for increasing pitch yield from coal tar |
11/23/1993 | CA1324468C Balanced ultra-high modulus and high tensile strength carbon fibers |
11/18/1993 | EP0527865A4 Improved bitumen emulsions |
11/16/1993 | US5262043 Coal tar pitch and the preparation and use thereof |
11/09/1993 | US5259947 Solvated mesophase pitches |
11/04/1993 | DE4213985A1 Prodn. of binders for newspaper printing inks - by mixing asphalt with mineral oil in extruder |
10/20/1993 | CN1077395A Asphalt flue gas purifying method |
10/14/1993 | WO1993017076A3 Asphalt composition and process for obtaining same |
10/14/1993 | CA2337131A1 Method and apparatus for effecting gas-liquid contact |
10/14/1993 | CA2337121A1 Method and apparatus for effecting gas-liquid contact |
10/13/1993 | CN2143620Y Hot tube, hot oil type heating asphalt pot |
10/06/1993 | EP0563225A1 Solvated mesophase pitches |
09/16/1993 | WO1993018092A1 Method for preparing bitumen-polymer compositions, application of said compositions to the production of coatings, and mother polymer solution for obtaining said compositions |
09/16/1993 | DE4233584A1 Hydrocarbon contg. inorganic sludge sepn. - esp. for treating settling pond sludge in bitumen prodn. from tar sands |
09/14/1993 | CA1322141C Bitumen emulsions and preparation thereof |
09/08/1993 | EP0558682A1 Biodesulfurization of bitumen fuels |