| Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502) |
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| 04/12/1989 | CN2035755U Emulsifying device for asphalt |
| 04/11/1989 | US4820401 Process for the preparation of mesophase pitches |
| 04/06/1989 | WO1989002789A1 Oxonated poly(alkylene oxide) surface treatment agents |
| 03/22/1989 | EP0308196A1 Hydrocarbon conversion process comprising once-through coking with hydrotreating and fluid catalytic cracking |
| 03/22/1989 | EP0308195A2 A process for coking and hydroconversion of hydrocarbons |
| 03/22/1989 | EP0308094A2 Process for once-through coking with solids recycle |
| 03/22/1989 | EP0307941A2 Microcapsules of pressure-sensitive copying paper |
| 03/22/1989 | CN2034651U Clarifier for exhausting asphalt smoke |
| 03/15/1989 | CN2034173U Bitumen heating boiler with double fire grate and smoke purifirer |
| 03/08/1989 | CN1031556A Method for preparing asphalt |
| 03/07/1989 | US4810437 Centrifuging precursor, anisotropic, melt sprinning, infusibility, graphitization, carbonization |
| 02/28/1989 | US4807746 Pre-mixed thermoplastic units and method of using same |
| 02/21/1989 | US4806228 Process for producing pitch raw materials |
| 02/21/1989 | US4806227 Carbon black inhibition of pitch polymerization |
| 02/15/1989 | CN2032618U Closed asphalt melting and stirring equipment |
| 02/08/1989 | CN2032195U Composite multifunctional heating boiler |
| 01/31/1989 | US4801372 Optically anisotropic pitch |
| 01/31/1989 | US4801332 High strength asphalt cement paving composition |
| 01/25/1989 | EP0300788A2 Asphaltic composition |
| 01/18/1989 | EP0299222A1 Process for preparing pitches |
| 01/18/1989 | EP0150223B1 Process for manufacturing carbon fiber and graphite fiber |
| 01/18/1989 | CN2031004U Harmless coal-saving bitumen stove |
| 01/11/1989 | EP0298699A2 Process for producing pitch for carbon materials |
| 01/03/1989 | US4795551 Solvent refining of residues |
| 12/27/1988 | US4793912 Heat reforming mixture of aromatic hydrocarbonbs and heavy oils; optical anisotropic |
| 12/21/1988 | EP0295684A2 Process for producing conductive graphite fiber |
| 12/14/1988 | CN88102728A Dispersions and emulsions |
| 12/06/1988 | US4789456 Process for preparing mesophase pitches |
| 12/06/1988 | US4789455 Heat treatment of aromatic resin produced using hydrogen fluoride-boron trifluoride catalyst |
| 12/06/1988 | CA1245815A1 Preparation of carbon microballoons |
| 11/29/1988 | USRE32792 Process for producing mesophase pitch |
| 11/15/1988 | US4784753 Supercritical temperature and pressure, heat exchanging |
| 11/03/1988 | DE3812594A1 Kaltbindende, wasser- und loesungsmittelfreie massen auf bitumenbasis Binding cold, water and spoon-free masses on bitumen base |
| 11/01/1988 | CA1243973A1 Method of making a compatible pitch from coal tar, and/or petroleum tar, and pitches thereof |
| 10/26/1988 | CN87211010U Intermittent mixer for black mixed materials |
| 10/12/1988 | EP0286499A1 Pitch for binding electrodes and process for preparing said pitch |
| 10/12/1988 | EP0233185B1 Method for producing anisotropic carbon fibres |
| 10/06/1988 | WO1988007571A1 Bonding pitch for electrode and method for its fabrication |
| 09/28/1988 | EP0284501A1 Binder pitch with modified filtrability and its preparation |
| 09/27/1988 | US4773985 Oxidation, reduction, heat treatment |
| 09/21/1988 | EP0283247A2 Dispersions and emulsions |
| 09/21/1988 | EP0283246A2 Bitumen emulsions |
| 09/21/1988 | EP0283211A2 Binderless carbon materials |
| 09/20/1988 | US4772648 Paving |
| 09/06/1988 | US4769139 Apparatus for production of crystallizable carbonaceous material |
| 08/31/1988 | CN87100790A Process for treating waste sulphuric-acid alkylate |
| 08/23/1988 | US4766030 Oxonated poly(alkylene oxide) surface treatment agents |
| 08/23/1988 | CA1241015A1 Fluidifier and stabilizer additive and method of preparation thereof |
| 08/23/1988 | CA1240944A1 Membrane separation of unconverted carbon fiber precursors from flux solvent and/or anti-solvent |
| 08/16/1988 | CA1240633A1 Method and device for energy recovery by manufacturing of asphalt in bulk |
| 08/11/1988 | WO1988005806A1 Pitch material made of coal tar pitch, process for producing and using the same |
| 08/10/1988 | EP0277284A2 Binder for carbon masses and method of its manufacture |
| 08/10/1988 | CN88100544A Pitch from coal tar pitch, method of its production, as well as application of such pitch material |
| 08/10/1988 | CN87210921U Asphalt-heating furnace |
| 08/03/1988 | EP0276711A1 Pitch material form coal tar pitch, process for preparing it and its use |
| 07/26/1988 | US4759839 Process for producing pitch useful as raw material for carbon fibers |
| 07/19/1988 | US4758326 Method of producing precursor pitches for carbon fibers |
| 07/12/1988 | US4756818 A method for the production of a carbon fiber precursor |
| 07/12/1988 | US4756763 Mixing sulfur with asphalt to form pellets, heating to liquefy, applying to material to be coated |
| 07/05/1988 | US4755278 Process for fractionating solid asphalts |
| 07/05/1988 | US4755277 Process for the preparation of a hydrocarbonaceous distillate and a residue |
| 07/05/1988 | US4755276 Carbonaceous pitch comprised of aromatic component having nitro functional groups |
| 06/14/1988 | US4750984 Method of producing asphalt |
| 06/01/1988 | EP0269231A1 Recovery of heavy oil |
| 05/26/1988 | DE3638832A1 Process for packing difficultly meltable bitumens into a polymeric foil and apparatus for carrying out this process |
| 05/17/1988 | US4744882 Sulfonation of naphthalene followed by condensation with formaldeh-1de |
| 05/04/1988 | EP0265598A1 Process for desalting coal tar and coal pitch |
| 05/03/1988 | US4741868 Production of sulfonated asphalt |
| 05/03/1988 | CA1236041A1 Method of producing a precursor pitch for carbon fiber |
| 04/06/1988 | CN87214065U Anti-pollution asphalt melting furnace |
| 03/29/1988 | CA1234548A1 Method for producing a precursor pitch for carbon fiber |
| 03/09/1988 | CN86100675B Method of producing coal based needle form coke |
| 03/02/1988 | EP0257303A1 Process for producing pitch used as starting material for the making of carbon materials |
| 02/24/1988 | CN87103595A Method for preparing the intermediate phase bituminous |
| 02/23/1988 | US4726846 Roofing shingles |
| 02/17/1988 | CN87203277U No deposit bitumen melting furnace |
| 02/10/1988 | CN86209094U Internal core-closed asphalt heater |
| 02/03/1988 | CN87208248U Electrical heating melting tank |
| 01/21/1988 | DE3622785A1 Process for the catalytic hydrogenation of polynuclear aromatic compounds |
| 01/13/1988 | EP0252104A1 Process for the production of bitumens of a high penetration value, apparatus for carrying it out, and products thus obtained. |
| 01/07/1988 | EP0250899A1 Process for producing a pitch having a low softening point |
| 01/06/1988 | CN87203164U Electricity heating automatically temp. adjusting bitumen melting equipment |
| 12/29/1987 | US4715945 Aromatic pitch |
| 12/23/1987 | EP0250116A1 Pressure settling of mesophase pitch |
| 12/23/1987 | CN87103787A Process for preparing mesophase pitches |
| 12/15/1987 | US4713117 One-step mixing with bitumens having specific viscosity, softening point, penetration and forming a single-phase |
| 12/02/1987 | EP0247565A1 Process for preparing mesophase pitches |
| 12/02/1987 | EP0247082A1 Method and apparatus for foaming of bitumen. |
| 12/02/1987 | CN86103441A Preparation of raw material for carbon fiber from coal pitch |
| 11/25/1987 | EP0246591A1 Process for the preparation of mesophase pitches |
| 11/25/1987 | CN87206468U Big asphalt pot |
| 11/19/1987 | EP0245888A2 Process for the preparation of a hydrocarbonaceous distillate and a residue |
| 11/10/1987 | US4705618 Process for the preparation of an intermediate pitch for manufacturing carbon products |
| 11/04/1987 | EP0244227A2 Process for producing pitch for the production of carbon fibers |
| 11/04/1987 | EP0243509A1 Process for the preparation of a mesophase pitch for preparing carbon fibres |
| 11/04/1987 | EP0243443A1 High strength asphalt cement paving composition. |
| 11/03/1987 | US4704333 Pitch conversion |
| 10/28/1987 | EP0113360B1 Method and device for energy recovery by manufacturing of asphalt in bulk |
| 10/22/1987 | WO1987006255A1 Precipitation of asphaltene |
| 10/21/1987 | EP0242129A1 Precipitation of Asphaltenes |