Patents for C10C 1 - Working-up tar (1,194) |
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06/27/1990 | CN1043309A Method for isolation and purification of coal tar-derived anthracene |
06/20/1990 | CN1008444B Method for preparing the intermediate phase bituminous |
06/13/1990 | EP0372208A1 Process for treating coal tar |
06/13/1990 | DE3841677A1 Process for producing carbon mesophases and products of the carbon mesophase-type |
06/05/1990 | US4931162 Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon filters |
05/17/1990 | DE3838397A1 Process for producing fusible intermediates containing pitch-like bituminous substances |
05/15/1990 | US4925547 Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers |
04/26/1990 | DE3836180A1 Process for producing polycyclic, predominantly aromatic hydrocarbons of pitch-like consistency |
04/17/1990 | CA1267861A1 Process for producing crude coal-tar pitches having improved properties and use of same |
03/21/1990 | CN1040608A Process for producing pitch for manufacture of high-performance carbon fibers together with pitch for manufacture of general-purpose carbon fibers |
03/20/1990 | US4909923 Method for hydrogenation of coal tar pitch |
03/15/1990 | DE3829986A1 Process for increasing the mesophase content in pitch |
03/14/1990 | EP0358086A1 Process for increasing the amount of mesophase in pitch |
03/14/1990 | EP0358048A1 Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers |
03/14/1990 | EP0357885A2 Precursor of pyrolytic carbon |
01/23/1990 | CA1264692A1 Process for the preparation of mesophase pitches |
01/03/1990 | EP0348599A2 Process for producing an anisotropic pitch for carbon fibres |
12/20/1989 | EP0346347A1 Pitch material made of coal tar pitch, process for producing and using the same |
11/02/1989 | DE3813636A1 Process for the removal of indole, quinoline bases and higher phenol derivatives from coal tar oil by extraction with supercritical gases |
10/17/1989 | US4874502 Method of purifying coal tars for use in the production of carbon products |
10/03/1989 | US4871443 Novel method for extraction of salts from coal tar and pitches |
09/19/1989 | CA1259576A1 Method of purifying the starting material for use in the production of carbon products |
09/19/1989 | CA1259575A1 Process for the preparation of an intermediate pitch for manufacturing carbon products |
08/09/1989 | CN1034570A Synthetic pitch and its manufacturing method |
07/25/1989 | US4851107 Contacting with catalyst 0r additives of specific particle size distribution |
05/16/1989 | US4831101 Reacting epihalohydrin with phenol, aromatic amines or aromatic amines or aromatic carboxylic acid |
05/02/1989 | US4827050 Carbon dioxide extraction agent, hydrocarbon entrainer |
04/11/1989 | US4820401 Process for the preparation of mesophase pitches |
04/04/1989 | US4818449 Process to prevent crack formation in the production of carbon fibers |
03/28/1989 | CA1251755A1 Method and apparatus for fluidizing coal tar sludge |
03/08/1989 | CN1031556A Method for preparing asphalt |
02/21/1989 | US4806228 Process for producing pitch raw materials |
01/18/1989 | EP0299222A1 Process for preparing pitches |
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 |
10/25/1988 | US4780540 Process for working up tars containing 2-mercaptobenzothiazole |
10/18/1988 | US4778115 Method and apparatus for fluidizing coal tar sludge |
10/12/1988 | EP0286499A1 Pitch for binding electrodes and process for preparing said pitch |
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 |
09/28/1988 | EP0283584A1 Process for reducing the water and ash content in crude tar |
09/27/1988 | US4773985 Oxidation, reduction, heat treatment |
08/23/1988 | CA1241015A1 Fluidifier and stabilizer additive and method of preparation thereof |
08/18/1988 | DE3703825A1 Verfahren und vorrichtung zum herstellen von kohlenstoff-fasern Method and apparatus for the manufacture of carbon fibers |
08/17/1988 | CN88100656A Process and equipment for making carbon fibre |
08/11/1988 | WO1988005806A1 Pitch material made of coal tar pitch, process for producing and using the same |
08/11/1988 | WO1988005805A1 Process for producing coal-tar pitch |
08/10/1988 | CN88100544A Pitch from coal tar pitch, method of its production, as well as application of such pitch material |
08/03/1988 | EP0276711A1 Pitch material form coal tar pitch, process for preparing it and its use |
07/12/1988 | US4756818 A method for the production of a carbon fiber precursor |
07/05/1988 | US4755278 Process for fractionating solid asphalts |
05/17/1988 | CA1236789A1 Low volatile binder pitch |
05/04/1988 | EP0265598A1 Process for desalting coal tar and coal pitch |
05/03/1988 | CA1236041A1 Method of producing a precursor pitch for carbon fiber |
04/13/1988 | EP0263522A2 Process for the hydroconversion of heavy and residual oils |
03/15/1988 | CA1234162A1 Process for the production of naphthalene |
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 |
12/23/1987 | CN87103787A Process for preparing mesophase pitches |
12/02/1987 | EP0247565A1 Process for preparing mesophase pitches |
11/25/1987 | EP0246591A1 Process for the preparation of mesophase pitches |
11/10/1987 | US4705618 Process for the preparation of an intermediate pitch for manufacturing carbon products |
11/04/1987 | EP0243509A1 Process for the preparation of a mesophase pitch for preparing carbon fibres |
10/21/1987 | EP0241636A2 Process for the separation of phenols and bases from coal tar oils by extraction |
09/30/1987 | EP0238787A2 Process for producing a carbon fiber precursor |
09/23/1987 | EP0237744A1 Process for working-up tars containing 2-mercaptobenzothiazole |
09/02/1987 | EP0235027A1 Process of fractionating solid asphalts |
09/02/1987 | EP0119273B1 Process for producing pitch |
08/19/1987 | EP0232481A1 Process for fractionating coal tar and use of the obtained fractions |
08/05/1987 | CN86104436A Mechanical stirring device for dewatering tar |
05/12/1987 | CA1221654A1 Process for cleaning of coke tars with high solids content |
04/14/1987 | CA1220438A1 Process for cleaning of coke tars with high solids content |
03/25/1987 | EP0215192A1 Electrode binder |
02/25/1987 | CN86100675A Method of producing coal based needle form coke |
02/18/1987 | CN85106456A Recovery of tar alkali |
02/03/1987 | US4640761 Heat treating coal tar or coal tar pitch, then centrifuging |
12/30/1986 | EP0205774A1 Bituminous stock and its use |
12/23/1986 | US4631181 Process for producing mesophase pitch |
12/10/1986 | CN86102712A Bituminous materials and thereof applications |
10/22/1986 | EP0198705A2 Method and apparatus for fluidizing coal tar sludge |
10/22/1986 | EP0198471A2 Method of purifying the starting material for use in the production of carbon products |
09/10/1986 | CN86100936A Process for the production of naphthalene |
09/03/1986 | CN85109263A Low solids content, coal tar based imppregnating pitch |
08/05/1986 | US4604184 Modified coal-tar pitch |
07/30/1986 | EP0189150A2 Process and apparatus for producing carbon fibers |
06/24/1986 | US4596652 Residual oil is catalytic cracking bottom |
05/20/1986 | US4590055 Pitch-based carbon fibers and pitch compositions and precursor fibers therefor |
05/20/1986 | US4589975 Method of producing a precursor pitch for carbon fiber |
04/15/1986 | US4582591 Process for the separation of resinous substances from coal-base heavy oils and use of the fraction obtained |
04/10/1986 | CN85107441A 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 |
04/01/1986 | US4579563 Method and apparatus for fluidizing coal tar sludge |
03/25/1986 | US4578177 Method for producing a precursor pitch for carbon fiber |
03/11/1986 | US4575412 Method for producing a precursor pitch for carbon fiber |
12/31/1985 | CA1198706A1 Aromatic pitch production from coal derived distillate |
11/26/1985 | CA1197206A1 Aromatic pitch from asphaltene-free steam cracker tar fractions |
10/09/1985 | EP0157615A2 Process for producing mesophase pitch and carbon products produced from the mesophase pitch |
10/02/1985 | EP0156051A1 Method for producing carbon powders |
09/18/1985 | EP0154754A1 Method of producing a precursor pitch for carbon fiber |
09/04/1985 | EP0153419A1 Process for treating coal tar or coal tar pitch |