| Patents for C10C 1 - Working-up tar (1,194) |
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| 03/06/1996 | CN1031200C Process for the further processing of the vacuum residue in a crude oil refinery |
| 02/28/1996 | CN1117516A Method for prodn. of diesel for coal tar oil |
| 02/21/1996 | CN1117071A Process for the conversion of a residual hydrocarbon oil |
| 02/06/1996 | US5489374 Liquid/liquid solvent extraction of a heat soaked isotropic pitch; materials handling |
| 11/28/1995 | US5470558 Reaction of naphthalene, anthracene, phenanthrene or pyrene with hydrogen donor to form pitch, carbonization |
| 10/18/1995 | EP0677091A1 Method of working up tar and similar products, use of the resulting products and fuels obtained by means of the method |
| 06/14/1995 | CN1103657A Production process of petroleum bitumen oxidizing oil slurry from catalytically cracked heavy oil |
| 06/07/1995 | CN1028764C Method and apparatus for removal of carbon dioxide by partial desorption from carbonized mother liquor |
| 05/16/1995 | US5415764 Vacuum distillation of crude oil |
| 05/09/1995 | US5413738 Graphite electrodes and their production |
| 05/03/1995 | EP0612344A4 Process for making carbon electrode impregnating pitch from coal tar. |
| 04/25/1995 | CA1335323C Carbon-carbon composites containing poorly graphitizing pitch as a binder and/or impregnant having a reduced coefficient of thermal expansion and improved flexural strength |
| 03/22/1995 | EP0643755A1 Process for producing solvated mesophase pitch and carbon artifacts therefrom. |
| 02/01/1995 | CN1027544C Process for extracting naphthalene fraction, methyl naphthalene fraction and industrial acenaphthene from coal-tar oil washing oil and reducing energy consumption |
| 01/12/1995 | DE4321951A1 Process for disposing of tar residues, phenol sludges and the like |
| 01/11/1995 | CN1027379C Method for separating component insoluble to quinoline in coal tar |
| 12/15/1994 | DE4418295A1 Process for treating coal tar |
| 11/23/1994 | EP0625179A1 Process for increasing pitch yield from coal tar |
| 10/12/1994 | CN1093395A Prodn. method for high quality common asphalt |
| 10/12/1994 | CN1093394A Prodn. method for No.30 construction asphalt |
| 10/11/1994 | US5354475 Process for separating polar and non-polar constituents from coal tar distillates |
| 08/31/1994 | EP0612344A1 Process for making carbon electrode impregnating pitch from coal tar |
| 07/14/1994 | DE3635720A1 Slightly graphitising, carbon-rich pitch, not forming mesophase - used for carbon-reinforced composite and graphite electrode contg. polymerised crosslinked aromatic components not forming mesophase pitch |
| 07/13/1994 | CN1089298A Process for the further processing of the vacuum residue in a crude oil refinery |
| 07/07/1994 | WO1994014922A1 Method of working up tar and similar products, use of the resulting products and fuels obtained by means of the method |
| 07/07/1994 | CA2152786A1 A method of processing tar and similar products, the use of the resulting products, and fuels obtainable by the method |
| 07/05/1994 | US5326457 Process for making carbon electrode impregnating pitch from coal tar |
| 06/29/1994 | CN1025183C Method of separating and purification for tar-derived anthracene |
| 06/08/1994 | EP0600203A1 Process for further treating a vacuum residue in a refinery |
| 06/07/1994 | CA1329965C Substance for forming lustrous carbon residues from phenol synthesis |
| 05/24/1994 | US5314609 Process for preparing debenzolized tar and low-benzene centrifuged tar sludge |
| 03/30/1994 | EP0589077A1 Process of manufacturing a liquid rubber through a recycling method |
| 03/09/1994 | CN1083511A Process for producing solvated mesophase pitch and carbon artifacts therefrom |
| 03/02/1994 | EP0585193A1 Method for the industrial manufacture of carbon-containing mesophase microspheres and derived carbon objects |
| 02/17/1994 | WO1994003559A1 Process for making carbon electrode impregnating pitch from coal tar |
| 02/17/1994 | CA2120597A1 Process for making carbon electrode |
| 02/08/1994 | CA2100733A1 Process for preparing debenzolized tar and low-benzene centrifuged tar sludge |
| 02/01/1994 | US5283045 Sinterable carbon powder and method of its production |
| 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 |
| 12/09/1993 | WO1993024590A1 Process for producing solvated mesophase pitch and carbon artifacts therefrom |
| 12/01/1993 | CN1078991A Technology for extracting naphthalene fraction, methyl naphthalene fraction and industrial acenaphthene from coal-tar washing oil |
| 11/30/1993 | US5266184 Process for increasing pitch yield from coal tar |
| 11/16/1993 | US5262043 Coal tar pitch and the preparation and use thereof |
| 09/15/1993 | CN1076183A Desorption process for partially removing CO2 from carbonized mother liquid and apparatus thereof |
| 08/19/1993 | WO1993016148A1 Process for increasing pitch yield from coal tar |
| 07/28/1993 | EP0552422A1 Sinterable carbon powder and method of making it |
| 06/30/1993 | EP0548918A1 Pitch-based carbon fibers and process for their production |
| 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 |
| 05/04/1993 | CA1317248C Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers |
| 01/28/1993 | DE4124697A1 Recovering liq. rubber during recycling - by thermally decomposing used rubber with crude oil distillate and converting into new prod. during thermal stabilisation |
| 01/26/1993 | US5182011 Continuous, multistep; intermediates for high-performance carbon fibers |
| 12/02/1992 | EP0516187A2 Process for the hydroconversion of heavy and residual oils |
| 12/02/1992 | CN1019309B Low solid content, coal tar based imppregnating pitch |
| 11/24/1992 | US5166118 Catalyst for the hydrogenation of hydrocarbon material |
| 11/19/1992 | EP0514190A1 Process for producing pitch-based carbon fibers having superior compression characteristics |
| 11/11/1992 | EP0153419B1 Process for treating coal tar or coal tar pitch |
| 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 |
| 09/22/1992 | US5149447 Creosote filtration system with a shell and tube type filtration device |
| 08/29/1992 | CA2061940A1 Aluminum hydroxychloride as pitch control agent |
| 08/25/1992 | US5141732 Process for the removal of ammonium sulphate from tarrich waste streams from the production of (meth) acrylonitrile |
| 07/07/1992 | US5128021 Pitch from coal tar pitch, method of its production, as well as application of such pitch material |
| 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 |
| 06/09/1992 | US5120424 Binder pitch for an electrode and process for its manufacture |
| 06/09/1992 | CA1302934C Process for preparing pitches |
| 06/02/1992 | CA1302332C Process for the hydrogenation of heavy and residual oils |
| 04/08/1992 | CN1016180B Recovery of tar alkali |
| 04/02/1992 | WO1992005231A1 Process for refining pitch |
| 04/01/1992 | CN1016070B Mechanical stirring device for dewatering tar |
| 03/25/1992 | CN1015990B Process for preparing mesophase pitches |
| 02/26/1992 | CN1058984A Separating quinoline non-soluble composition from tar |
| 02/25/1992 | US5091072 Continuous process for preparing a high softening point pitch for manufacturing carbon fibers |
| 02/25/1992 | CA1296279C Cracking process for solid asphalts |
| 01/22/1992 | EP0467484A1 Process for separating polar and non-polar constituents from coal tar distillates |
| 01/08/1992 | EP0465434A1 Distilled, fractional and rectified coal tar oil for ecologically impregnating wood |
| 01/02/1992 | EP0302084B1 Apparatus for thermal aftertreatment of carbon fibres from coaltar pitch, in particular from glance- (hard)- coaltar pitch |
| 11/19/1991 | US5066384 Process for refining coal-derived heavy carbonaceous materials |
| 10/22/1991 | CA1291106C Carbon ignition temperature depressing agents and method of regenerating an automotive particulate trap utilizing said agent |
| 09/25/1991 | CN1054788A One-step process for extracting fatty oil and tea-saponin from waste mateer of cake |
| 09/18/1991 | CN1054608A Coal tar treating technology for raising naphthalene centralization |
| 07/18/1991 | DE4000737A1 Prepn. of charge-transfer mesophase from coal tar or coal tar pitch - by reacting isotropic aromatic mixt. having raised electron-acceptor or electron-donor potential, with electron donor or electron acceptor |
| 07/11/1991 | DE4000174A1 Charge-transfer mesophase prodn. from coal tar and cyclic aromatics - by mixing isotropic aromatics with electron-donating or -accepting cpds. and treating, opt. at elevated temp. |
| 07/10/1991 | EP0436268A1 Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon fibers |
| 07/09/1991 | CA1285897C Process for the desalination of coal tars and coal-tar pitches |
| 06/13/1991 | DE4019303A1 Carbon intermediate recovery from prepn. of bituminous coal tar - by sepg. tars contg. quinoline insolubles, and distilling |
| 05/21/1991 | CA1284261C Process for producing carbon fibers |
| 05/01/1991 | CN1012503B Hydrogenation catalyst for coal tar, a method of hydrogenation of coal tar with use of such catalyst, and a method of producing super needle coke, from the hydrogenation product of coal tar |
| 03/26/1991 | US5002655 Process for the recovery of aromatic nitrogen-containing compounds |
| 03/05/1991 | US4997542 Impregnation pitch with improved filterability and process for its manufacture |
| 01/22/1991 | US4986895 Process for treating coal tar or coal tar pitch |
| 12/11/1990 | US4976845 Heat treatment, shaping into thin film, homogenizing, devolatilization of pitches from coal tar or crude oil |
| 12/05/1990 | CN1010689B Bituminous materials and thereof applications |
| 10/24/1990 | EP0393724A1 Process for preparing mesophase pitches |
| 10/09/1990 | US4961837 Process for the production of petroleum tar pitch for use as a binder in the production of electrodes |
| 08/29/1990 | EP0384198A1 Process for the separation of ammonium sulfate from waste streams with high content of tar coming from the preparation of (meth) acrylonitrile |
| 07/17/1990 | CA1271895A1 The use of ethylene terpolymers as additives in mineral oil and miniral oil distillates |
| 07/04/1990 | EP0376187A2 Binder pitch for high-purity carbon material and process for preparing same |