Patents for C10C 1 - Working-up tar (1,194)
03/1996
03/06/1996CN1031200C Process for the further processing of the vacuum residue in a crude oil refinery
02/1996
02/28/1996CN1117516A Method for prodn. of diesel for coal tar oil
02/21/1996CN1117071A Process for the conversion of a residual hydrocarbon oil
02/06/1996US5489374 Liquid/liquid solvent extraction of a heat soaked isotropic pitch; materials handling
11/1995
11/28/1995US5470558 Reaction of naphthalene, anthracene, phenanthrene or pyrene with hydrogen donor to form pitch, carbonization
10/1995
10/18/1995EP0677091A1 Method of working up tar and similar products, use of the resulting products and fuels obtained by means of the method
06/1995
06/14/1995CN1103657A Production process of petroleum bitumen oxidizing oil slurry from catalytically cracked heavy oil
06/07/1995CN1028764C Method and apparatus for removal of carbon dioxide by partial desorption from carbonized mother liquor
05/1995
05/16/1995US5415764 Vacuum distillation of crude oil
05/09/1995US5413738 Graphite electrodes and their production
05/03/1995EP0612344A4 Process for making carbon electrode impregnating pitch from coal tar.
04/1995
04/25/1995CA1335323C Carbon-carbon composites containing poorly graphitizing pitch as a binder and/or impregnant having a reduced coefficient of thermal expansion and improved flexural strength
03/1995
03/22/1995EP0643755A1 Process for producing solvated mesophase pitch and carbon artifacts therefrom.
02/1995
02/01/1995CN1027544C Process for extracting naphthalene fraction, methyl naphthalene fraction and industrial acenaphthene from coal-tar oil washing oil and reducing energy consumption
01/1995
01/12/1995DE4321951A1 Process for disposing of tar residues, phenol sludges and the like
01/11/1995CN1027379C Method for separating component insoluble to quinoline in coal tar
12/1994
12/15/1994DE4418295A1 Process for treating coal tar
11/1994
11/23/1994EP0625179A1 Process for increasing pitch yield from coal tar
10/1994
10/12/1994CN1093395A Prodn. method for high quality common asphalt
10/12/1994CN1093394A Prodn. method for No.30 construction asphalt
10/11/1994US5354475 Process for separating polar and non-polar constituents from coal tar distillates
08/1994
08/31/1994EP0612344A1 Process for making carbon electrode impregnating pitch from coal tar
07/1994
07/14/1994DE3635720A1 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
07/13/1994CN1089298A Process for the further processing of the vacuum residue in a crude oil refinery
07/07/1994WO1994014922A1 Method of working up tar and similar products, use of the resulting products and fuels obtained by means of the method
07/07/1994CA2152786A1 A method of processing tar and similar products, the use of the resulting products, and fuels obtainable by the method
07/05/1994US5326457 Process for making carbon electrode impregnating pitch from coal tar
06/1994
06/29/1994CN1025183C Method of separating and purification for tar-derived anthracene
06/08/1994EP0600203A1 Process for further treating a vacuum residue in a refinery
06/07/1994CA1329965C Substance for forming lustrous carbon residues from phenol synthesis
05/1994
05/24/1994US5314609 Process for preparing debenzolized tar and low-benzene centrifuged tar sludge
03/1994
03/30/1994EP0589077A1 Process of manufacturing a liquid rubber through a recycling method
03/09/1994CN1083511A Process for producing solvated mesophase pitch and carbon artifacts therefrom
03/02/1994EP0585193A1 Method for the industrial manufacture of carbon-containing mesophase microspheres and derived carbon objects
02/1994
02/17/1994WO1994003559A1 Process for making carbon electrode impregnating pitch from coal tar
02/17/1994CA2120597A1 Process for making carbon electrode
02/08/1994CA2100733A1 Process for preparing debenzolized tar and low-benzene centrifuged tar sludge
02/01/1994US5283045 Sinterable carbon powder and method of its production
01/1994
01/20/1994DE4223246A1 Sepn. of tar from mixts. of tar and solid material - comprising crushing, heating at specific pressure and water treating
01/18/1994CA2009121C Process for the production of petroleum tar pitch for use as a binder in the production of electrodes
12/1993
12/09/1993WO1993024590A1 Process for producing solvated mesophase pitch and carbon artifacts therefrom
12/01/1993CN1078991A Technology for extracting naphthalene fraction, methyl naphthalene fraction and industrial acenaphthene from coal-tar washing oil
11/1993
11/30/1993US5266184 Process for increasing pitch yield from coal tar
11/16/1993US5262043 Coal tar pitch and the preparation and use thereof
09/1993
09/15/1993CN1076183A Desorption process for partially removing CO2 from carbonized mother liquid and apparatus thereof
08/1993
08/19/1993WO1993016148A1 Process for increasing pitch yield from coal tar
07/1993
07/28/1993EP0552422A1 Sinterable carbon powder and method of making it
06/1993
06/30/1993EP0548918A1 Pitch-based carbon fibers and process for their production
05/1993
05/12/1993CN1020622C Process for producing pitch for manufacture of high-performance carbon fibers together with pitch for manufacture of general-purpose carbon fibers
05/12/1993CN1020621C Method for preparing asphalt
05/04/1993CA1317248C Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers
01/1993
01/28/1993DE4124697A1 Recovering liq. rubber during recycling - by thermally decomposing used rubber with crude oil distillate and converting into new prod. during thermal stabilisation
01/26/1993US5182011 Continuous, multistep; intermediates for high-performance carbon fibers
12/1992
12/02/1992EP0516187A2 Process for the hydroconversion of heavy and residual oils
12/02/1992CN1019309B Low solid content, coal tar based imppregnating pitch
11/1992
11/24/1992US5166118 Catalyst for the hydrogenation of hydrocarbon material
11/19/1992EP0514190A1 Process for producing pitch-based carbon fibers having superior compression characteristics
11/11/1992EP0153419B1 Process for treating coal tar or coal tar pitch
10/1992
10/28/1992EP0510315A1 Coaltar pitch, preparation and use thereof
10/27/1992CA1309369C Process for the production of an anisotropic pitch for carbon fibres
09/1992
09/22/1992US5149447 Creosote filtration system with a shell and tube type filtration device
08/1992
08/29/1992CA2061940A1 Aluminum hydroxychloride as pitch control agent
08/25/1992US5141732 Process for the removal of ammonium sulphate from tarrich waste streams from the production of (meth) acrylonitrile
07/1992
07/07/1992US5128021 Pitch from coal tar pitch, method of its production, as well as application of such pitch material
06/1992
06/30/1992CA1304199C Binding tar for electrode and process for making same tar
06/30/1992CA1304198C Impregnating tar with improved filterability and fabrication processthereof
06/09/1992US5120424 Binder pitch for an electrode and process for its manufacture
06/09/1992CA1302934C Process for preparing pitches
06/02/1992CA1302332C Process for the hydrogenation of heavy and residual oils
04/1992
04/08/1992CN1016180B Recovery of tar alkali
04/02/1992WO1992005231A1 Process for refining pitch
04/01/1992CN1016070B Mechanical stirring device for dewatering tar
03/1992
03/25/1992CN1015990B Process for preparing mesophase pitches
02/1992
02/26/1992CN1058984A Separating quinoline non-soluble composition from tar
02/25/1992US5091072 Continuous process for preparing a high softening point pitch for manufacturing carbon fibers
02/25/1992CA1296279C Cracking process for solid asphalts
01/1992
01/22/1992EP0467484A1 Process for separating polar and non-polar constituents from coal tar distillates
01/08/1992EP0465434A1 Distilled, fractional and rectified coal tar oil for ecologically impregnating wood
01/02/1992EP0302084B1 Apparatus for thermal aftertreatment of carbon fibres from coaltar pitch, in particular from glance- (hard)- coaltar pitch
11/1991
11/19/1991US5066384 Process for refining coal-derived heavy carbonaceous materials
10/1991
10/22/1991CA1291106C Carbon ignition temperature depressing agents and method of regenerating an automotive particulate trap utilizing said agent
09/1991
09/25/1991CN1054788A One-step process for extracting fatty oil and tea-saponin from waste mateer of cake
09/18/1991CN1054608A Coal tar treating technology for raising naphthalene centralization
07/1991
07/18/1991DE4000737A1 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
07/11/1991DE4000174A1 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.
07/10/1991EP0436268A1 Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon fibers
07/09/1991CA1285897C Process for the desalination of coal tars and coal-tar pitches
06/1991
06/13/1991DE4019303A1 Carbon intermediate recovery from prepn. of bituminous coal tar - by sepg. tars contg. quinoline insolubles, and distilling
05/1991
05/21/1991CA1284261C Process for producing carbon fibers
05/01/1991CN1012503B 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
03/1991
03/26/1991US5002655 Process for the recovery of aromatic nitrogen-containing compounds
03/05/1991US4997542 Impregnation pitch with improved filterability and process for its manufacture
01/1991
01/22/1991US4986895 Process for treating coal tar or coal tar pitch
12/1990
12/11/1990US4976845 Heat treatment, shaping into thin film, homogenizing, devolatilization of pitches from coal tar or crude oil
12/05/1990CN1010689B Bituminous materials and thereof applications
10/1990
10/24/1990EP0393724A1 Process for preparing mesophase pitches
10/09/1990US4961837 Process for the production of petroleum tar pitch for use as a binder in the production of electrodes
08/1990
08/29/1990EP0384198A1 Process for the separation of ammonium sulfate from waste streams with high content of tar coming from the preparation of (meth) acrylonitrile
07/1990
07/17/1990CA1271895A1 The use of ethylene terpolymers as additives in mineral oil and miniral oil distillates
07/04/1990EP0376187A2 Binder pitch for high-purity carbon material and process for preparing same
1 2 3 4 5 6 7 8 9 10 11 12