Patents for C10C 1 - Working-up tar (1,194)
06/1990
06/27/1990CN1043309A Method for isolation and purification of coal tar-derived anthracene
06/20/1990CN1008444B Method for preparing the intermediate phase bituminous
06/13/1990EP0372208A1 Process for treating coal tar
06/13/1990DE3841677A1 Process for producing carbon mesophases and products of the carbon mesophase-type
06/05/1990US4931162 Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon filters
05/1990
05/17/1990DE3838397A1 Process for producing fusible intermediates containing pitch-like bituminous substances
05/15/1990US4925547 Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers
04/1990
04/26/1990DE3836180A1 Process for producing polycyclic, predominantly aromatic hydrocarbons of pitch-like consistency
04/17/1990CA1267861A1 Process for producing crude coal-tar pitches having improved properties and use of same
03/1990
03/21/1990CN1040608A Process for producing pitch for manufacture of high-performance carbon fibers together with pitch for manufacture of general-purpose carbon fibers
03/20/1990US4909923 Method for hydrogenation of coal tar pitch
03/15/1990DE3829986A1 Process for increasing the mesophase content in pitch
03/14/1990EP0358086A1 Process for increasing the amount of mesophase in pitch
03/14/1990EP0358048A1 Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers
03/14/1990EP0357885A2 Precursor of pyrolytic carbon
01/1990
01/23/1990CA1264692A1 Process for the preparation of mesophase pitches
01/03/1990EP0348599A2 Process for producing an anisotropic pitch for carbon fibres
12/1989
12/20/1989EP0346347A1 Pitch material made of coal tar pitch, process for producing and using the same
11/1989
11/02/1989DE3813636A1 Process for the removal of indole, quinoline bases and higher phenol derivatives from coal tar oil by extraction with supercritical gases
10/1989
10/17/1989US4874502 Method of purifying coal tars for use in the production of carbon products
10/03/1989US4871443 Novel method for extraction of salts from coal tar and pitches
09/1989
09/19/1989CA1259576A1 Method of purifying the starting material for use in the production of carbon products
09/19/1989CA1259575A1 Process for the preparation of an intermediate pitch for manufacturing carbon products
08/1989
08/09/1989CN1034570A Synthetic pitch and its manufacturing method
07/1989
07/25/1989US4851107 Contacting with catalyst 0r additives of specific particle size distribution
05/1989
05/16/1989US4831101 Reacting epihalohydrin with phenol, aromatic amines or aromatic amines or aromatic carboxylic acid
05/02/1989US4827050 Carbon dioxide extraction agent, hydrocarbon entrainer
04/1989
04/11/1989US4820401 Process for the preparation of mesophase pitches
04/04/1989US4818449 Process to prevent crack formation in the production of carbon fibers
03/1989
03/28/1989CA1251755A1 Method and apparatus for fluidizing coal tar sludge
03/08/1989CN1031556A Method for preparing asphalt
02/1989
02/21/1989US4806228 Process for producing pitch raw materials
01/1989
01/18/1989EP0299222A1 Process for preparing pitches
12/1988
12/06/1988US4789456 Process for preparing mesophase pitches
12/06/1988US4789455 Heat treatment of aromatic resin produced using hydrogen fluoride-boron trifluoride catalyst
10/1988
10/25/1988US4780540 Process for working up tars containing 2-mercaptobenzothiazole
10/18/1988US4778115 Method and apparatus for fluidizing coal tar sludge
10/12/1988EP0286499A1 Pitch for binding electrodes and process for preparing said pitch
10/06/1988WO1988007571A1 Bonding pitch for electrode and method for its fabrication
09/1988
09/28/1988EP0284501A1 Binder pitch with modified filtrability and its preparation
09/28/1988EP0283584A1 Process for reducing the water and ash content in crude tar
09/27/1988US4773985 Oxidation, reduction, heat treatment
08/1988
08/23/1988CA1241015A1 Fluidifier and stabilizer additive and method of preparation thereof
08/18/1988DE3703825A1 Verfahren und vorrichtung zum herstellen von kohlenstoff-fasern Method and apparatus for the manufacture of carbon fibers
08/17/1988CN88100656A Process and equipment for making carbon fibre
08/11/1988WO1988005806A1 Pitch material made of coal tar pitch, process for producing and using the same
08/11/1988WO1988005805A1 Process for producing coal-tar pitch
08/10/1988CN88100544A Pitch from coal tar pitch, method of its production, as well as application of such pitch material
08/03/1988EP0276711A1 Pitch material form coal tar pitch, process for preparing it and its use
07/1988
07/12/1988US4756818 A method for the production of a carbon fiber precursor
07/05/1988US4755278 Process for fractionating solid asphalts
05/1988
05/17/1988CA1236789A1 Low volatile binder pitch
05/04/1988EP0265598A1 Process for desalting coal tar and coal pitch
05/03/1988CA1236041A1 Method of producing a precursor pitch for carbon fiber
04/1988
04/13/1988EP0263522A2 Process for the hydroconversion of heavy and residual oils
03/1988
03/15/1988CA1234162A1 Process for the production of naphthalene
03/09/1988CN86100675B Method of producing coal based needle form coke
03/02/1988EP0257303A1 Process for producing pitch used as starting material for the making of carbon materials
02/1988
02/24/1988CN87103595A Method for preparing the intermediate phase bituminous
12/1987
12/23/1987CN87103787A Process for preparing mesophase pitches
12/02/1987EP0247565A1 Process for preparing mesophase pitches
11/1987
11/25/1987EP0246591A1 Process for the preparation of mesophase pitches
11/10/1987US4705618 Process for the preparation of an intermediate pitch for manufacturing carbon products
11/04/1987EP0243509A1 Process for the preparation of a mesophase pitch for preparing carbon fibres
10/1987
10/21/1987EP0241636A2 Process for the separation of phenols and bases from coal tar oils by extraction
09/1987
09/30/1987EP0238787A2 Process for producing a carbon fiber precursor
09/23/1987EP0237744A1 Process for working-up tars containing 2-mercaptobenzothiazole
09/02/1987EP0235027A1 Process of fractionating solid asphalts
09/02/1987EP0119273B1 Process for producing pitch
08/1987
08/19/1987EP0232481A1 Process for fractionating coal tar and use of the obtained fractions
08/05/1987CN86104436A Mechanical stirring device for dewatering tar
05/1987
05/12/1987CA1221654A1 Process for cleaning of coke tars with high solids content
04/1987
04/14/1987CA1220438A1 Process for cleaning of coke tars with high solids content
03/1987
03/25/1987EP0215192A1 Electrode binder
02/1987
02/25/1987CN86100675A Method of producing coal based needle form coke
02/18/1987CN85106456A Recovery of tar alkali
02/03/1987US4640761 Heat treating coal tar or coal tar pitch, then centrifuging
12/1986
12/30/1986EP0205774A1 Bituminous stock and its use
12/23/1986US4631181 Process for producing mesophase pitch
12/10/1986CN86102712A Bituminous materials and thereof applications
10/1986
10/22/1986EP0198705A2 Method and apparatus for fluidizing coal tar sludge
10/22/1986EP0198471A2 Method of purifying the starting material for use in the production of carbon products
09/1986
09/10/1986CN86100936A Process for the production of naphthalene
09/03/1986CN85109263A Low solids content, coal tar based imppregnating pitch
08/1986
08/05/1986US4604184 Modified coal-tar pitch
07/1986
07/30/1986EP0189150A2 Process and apparatus for producing carbon fibers
06/1986
06/24/1986US4596652 Residual oil is catalytic cracking bottom
05/1986
05/20/1986US4590055 Pitch-based carbon fibers and pitch compositions and precursor fibers therefor
05/20/1986US4589975 Method of producing a precursor pitch for carbon fiber
04/1986
04/15/1986US4582591 Process for the separation of resinous substances from coal-base heavy oils and use of the fraction obtained
04/10/1986CN85107441A 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
04/01/1986US4579563 Method and apparatus for fluidizing coal tar sludge
03/1986
03/25/1986US4578177 Method for producing a precursor pitch for carbon fiber
03/11/1986US4575412 Method for producing a precursor pitch for carbon fiber
12/1985
12/31/1985CA1198706A1 Aromatic pitch production from coal derived distillate
11/1985
11/26/1985CA1197206A1 Aromatic pitch from asphaltene-free steam cracker tar fractions
10/1985
10/09/1985EP0157615A2 Process for producing mesophase pitch and carbon products produced from the mesophase pitch
10/02/1985EP0156051A1 Method for producing carbon powders
09/1985
09/18/1985EP0154754A1 Method of producing a precursor pitch for carbon fiber
09/04/1985EP0153419A1 Process for treating coal tar or coal tar pitch
1 2 3 4 5 6 7 8 9 10 11 12