| Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502) |
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| 09/02/1993 | WO1993017076A2 Asphalt composition and process for obtaining same |
| 09/02/1993 | CA2106381A1 Asphalt composition and process for obtaining same |
| 08/24/1993 | US5238672 Mesophase pitches, carbon fiber precursors, and carbonized fibers |
| 08/19/1993 | WO1993016148A1 Process for increasing pitch yield from coal tar |
| 08/19/1993 | DE4303966A1 Construction material e.g. ceramics |
| 08/18/1993 | EP0555826A1 Process for utilisation of draff, used kieselguhr containing filter aids and paper products |
| 08/11/1993 | CN1021774C Coke removing method and its installation for soft pipe of residual oil delayed coking technique |
| 08/05/1993 | DE4202459A1 System for spraying hot asphalt, bitumen etc. along road - has 2 or more gps. of nozzles with quick adjustment to meet requirements |
| 08/04/1993 | EP0554119A1 Process for preparing pitch for matrix |
| 07/28/1993 | EP0552422A1 Sinterable carbon powder and method of making it |
| 07/22/1993 | WO1993014156A1 Improved rubber asphalt mix |
| 07/22/1993 | CA2127872A1 Improved rubber asphalt mix |
| 07/20/1993 | US5228977 Method of producing asphalt having an increased penetration and penetration index |
| 07/07/1993 | EP0550150A1 A method for recovering or maintaining the activity of hydroisomerization catalysts |
| 07/06/1993 | US5225462 Bitumen-polymer mixtures and a process for their preparation |
| 07/06/1993 | US5225070 Oxygenated pitch and processing same |
| 06/30/1993 | EP0548918A1 Pitch-based carbon fibers and process for their production |
| 06/30/1993 | EP0548412A1 Modified bitumen usable within a wide temperature range, and process for preparing it |
| 06/23/1993 | EP0547766A2 Method of producing asphalt having an increased penetration and penetration index |
| 06/23/1993 | CN2136839Y Asphalt heating stove with fire extinguishing device |
| 06/23/1993 | CN1073470A Process for preparing quality asphalt by modifying high-wax residual oil |
| 06/21/1993 | CA2084717A1 Modified bitumen useable within a wide temperature range, and process for preparing it |
| 06/16/1993 | EP0546284A1 Improved process for the production of mesophase pitch |
| 06/16/1993 | CN1073196A Improved process for the production of mesophase pitch |
| 06/14/1993 | CA2084976A1 Process for the production of mesophase pitch |
| 06/09/1993 | CN2135574Y No scale pot for heating pitch |
| 05/30/1993 | CA2081938A1 Method for recovering or maintaining the activity of hydroisomerization catalysts |
| 05/26/1993 | CN2134396Y Movable asphalt heating stove without pollution problem |
| 05/26/1993 | CN1072442A Process for preparing mesophase pitches |
| 05/18/1993 | US5212128 Method for recovering or maintaining the activity of hydroisomerization catalysts |
| 05/12/1993 | CN1020622C Process for producing pitch for manufacture of high-performance carbon fibers together with pitch for manufacture of general-purpose carbon fibers |
| 05/12/1993 | CN1020621C Method for preparing asphalt |
| 05/06/1993 | DE4136318A1 Appts. for melting solids in their own molten mass for use as binding agents - comprises elongate vertical vessel having melting and clarifying transport sections, whose tops are connected to a pump |
| 05/05/1993 | CN2131859Y Movable heator for melting barrelled asphalt |
| 05/04/1993 | US5207891 Stabilization |
| 05/04/1993 | CA1317248C Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers |
| 04/18/1993 | CA2053647A1 Industrial asphalts |
| 04/14/1993 | EP0536974A2 Apparatus and method for recycling asphalt materials |
| 03/30/1993 | US5198101 Process for the production of mesophase pitch |
| 03/17/1993 | EP0531622A1 Method for recycling waste products of bituminous waterproofing materials |
| 03/17/1993 | EP0507838A4 Polymer and asphalt reaction process and polymer-linked-asphalt product |
| 03/09/1993 | US5192420 Vibration damper obtained by adjusting the resin and aromatic components of the asphalt base |
| 03/04/1993 | WO1993004143A1 Production of hard asphalts by ultrafiltration of vacuum residua |
| 03/04/1993 | CA2113900A1 Production of hard ashphalts by ultrafiltration of vacuum residua |
| 03/03/1993 | CN1069512A Preparing method for coal asphalt emulsion and milky coal asphalt |
| 02/24/1993 | EP0527865A1 Improved bitumen emulsions |
| 02/23/1993 | US5188299 Simultaneous heating and tumbling large pieces in cage-like array of tubular breakers; reducing to desired size |
| 02/03/1993 | EP0525789A1 Apparatus for cooking plastic masses |
| 01/27/1993 | EP0524746A2 Optically anisotropic pitch for manufacturing high compressive strength carbon fibers |
| 01/26/1993 | US5182011 Continuous, multistep; intermediates for high-performance carbon fibers |
| 01/26/1993 | US5182010 Mesophase pitch for use in the making of carbon materials |
| 01/07/1993 | WO1993000414A1 Non-carcinogenic bright stock extracts and deasphalted oils and process for the production thereof |
| 12/29/1992 | CA1312033C Combination coking and hydroconversion process |
| 12/22/1992 | US5173172 Production of hard asphalts by ultrafiltration of vacuum residua |
| 12/02/1992 | CN1019309B Low solid content, coal tar based imppregnating pitch |
| 12/01/1992 | CA1310929C Once-through coking with solids recycle |
| 11/24/1992 | CA1310667C Microcapsules of pressure-sensitive copying paper |
| 11/19/1992 | EP0514190A1 Process for producing pitch-based carbon fibers having superior compression characteristics |
| 11/17/1992 | CA1310289C Pipelineable cyncrude (synthetic crude) from heavy oil |
| 11/17/1992 | CA1310288C Once-through coking with hydrotreating and fluid catalytic cracking |
| 11/11/1992 | EP0153419B1 Process for treating coal tar or coal tar pitch |
| 10/29/1992 | WO1992018573A1 Binder for asphalt |
| 10/28/1992 | EP0510315A1 Coaltar pitch, preparation and use thereof |
| 10/27/1992 | CA1309369C Process for the production of an anisotropic pitch for carbon fibres |
| 10/14/1992 | EP0508318A1 Process for producing optically isotropic pitch |
| 10/14/1992 | EP0507838A1 Polymer and asphalt reaction process and polymer-linked-asphalt product |
| 09/30/1992 | CN1064872A Solvated mesophase pitches |
| 09/29/1992 | US5151456 Emulsified sealant having a high solids content |
| 09/22/1992 | US5149891 Method for preparing pitch fluoride |
| 07/29/1992 | EP0496457A1 Bitumen-polymer mixtures and a process for their preparation |
| 07/28/1992 | US5133781 Reaction with phosphorous trichloride and alcohols |
| 07/28/1992 | CA1305591C Binder for carbon and process for producing same |
| 07/21/1992 | US5132005 Compatibilization of asphaltenes in bituminous liquids using bulk phosphoamination |
| 07/15/1992 | CN1017443B Asphalted oil pump to against overflow |
| 07/07/1992 | US5128021 Pitch from coal tar pitch, method of its production, as well as application of such pitch material |
| 07/01/1992 | CN2108721U Asphalt heating furnace with sandwish |
| 06/30/1992 | CA1304199C Binding tar for electrode and process for making same tar |
| 06/30/1992 | CA1304198C Impregnating tar with improved filterability and fabrication processthereof |
| 06/22/1992 | WO1992011341A1 Solvated mesophase pitches |
| 06/16/1992 | US5122498 Hydrogenated phenanthrene and anthracene as solvents for leuco dyes; high dissolving power |
| 06/09/1992 | US5120777 Bitumen/polymer composition exhibiting an adhesiveness which is retained on storage at elevated temperature and process for preparing such a composition |
| 06/09/1992 | US5120424 Binder pitch for an electrode and process for its manufacture |
| 06/09/1992 | CA1302934C Process for preparing pitches |
| 05/27/1992 | EP0486730A1 Improved process for making mesophase pitch |
| 05/22/1992 | WO1992009706A1 Biodesulfurization of bitumen fuels |
| 05/20/1992 | CN1061162A Installation for controlling trail gas of asphalt oxidation |
| 05/17/1992 | CA2030150A1 Process for making mesophase pitch |
| 05/14/1992 | WO1992007920A1 Improved processes for the manufacture of enriched pitches and carbon fibers |
| 05/05/1992 | CA1300000C Recovery of heavy oil |
| 04/29/1992 | CN1016440B Process for preparation of hydrocardonaceous distillate and residue, and bitumen compositions containing residue prepared |
| 04/23/1992 | DE4032045A1 Partial oxidn. of bitumen oil emulsions - using oxygen@ or air, useful for prodn. of synthesis gas and hydrogen@ |
| 04/15/1992 | EP0480106A1 Process for isolating mesophase pitch |
| 04/15/1992 | CN2101675U Movable melting and heating equipment for dump asphalt |
| 04/14/1992 | US5104932 Bituminous compositions containing residues of hydrolyzed or alcoholized polymers |
| 04/02/1992 | WO1992005231A1 Process for refining pitch |
| 03/25/1992 | CN1015990B Process for preparing mesophase pitches |
| 03/24/1992 | US5098480 Industrial asphalts |
| 03/24/1992 | US5098025 Shredding shingles, slurrying |
| 03/24/1992 | CA1297778C Underfired kettle |
| 03/11/1992 | EP0473707A1 Injectable clarithromycin composition |