Patents for C10C 1 - Working-up tar (1,194) |
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06/25/1985 | CA1189261A1 Process for the production of pitch-derived carbon fibers |
06/11/1985 | CA1188647A1 Low melting mesophase pitches |
05/14/1985 | US4517072 Process for modifying coal tar materials |
04/24/1985 | EP0138235A1 Process for preparing a thermal-stable pitch and oil from aromatic petrochemical residues and its use |
04/03/1985 | EP0135943A2 Process for separating resinous materials from heavy coal oils, and use of the fractions so obtained |
03/14/1985 | WO1985001057A1 Process for treating coal tar or coal tar pitch |
02/12/1985 | CA1182417A1 Mesophase pitch using steam cracker tar |
12/11/1984 | US4487685 Method for producing mesophase-containing pitch by using carrier gas |
11/20/1984 | CA1178012A1 Method of making reinforced materials having an improved reinforcing material therein |
11/13/1984 | US4482453 Supercritical extraction process |
11/13/1984 | US4482452 Purification of heavy oil |
09/26/1984 | EP0119273A1 Process for producing pitch |
09/11/1984 | US4470960 Process for the production of pitch-derived carbon fibers |
09/04/1984 | CA1173773A1 Process for modifying coal tar materials |
08/29/1984 | EP0116956A2 Process for the purification of solids containing concentrated coking plant tars |
08/21/1984 | CA1173040A1 Production of methylnaphthalenes and tar bases including indole |
05/15/1984 | US4448670 Aromatic pitch production from coal derived distillate |
04/17/1984 | US4443636 Refining lurgi tar acids |
04/17/1984 | US4443324 Low melting mesophase pitches |
03/15/1984 | WO1984000975A1 Process for producing pitch |
03/13/1984 | US4436615 Centrifuging, filtering |
02/16/1984 | WO1984000558A1 Process for removing quinoline insolubles from topped tar |
02/14/1984 | US4431512 Anistropic carbon fibers; heat soaking a middle distillate; deashing |
01/31/1984 | US4429172 Process for the production of modified pitches and low boiling aromatics and olefins and use of said pitches |
01/31/1984 | US4429170 Salt formation, distillation |
01/11/1984 | EP0097755A1 Process for modifying coal tar materials |
01/03/1984 | CA1159787A1 Process for the production of high grade carbonaceous binders |
12/28/1983 | EP0097046A2 Low melting point mesophase pitches |
11/08/1983 | US4414192 Extraction with chloroform, iodine, decomposition, coking to form anisotropic carbon |
11/08/1983 | US4414095 Mesophase pitch using steam cracker tar (CF-6) |
09/20/1983 | US4405439 Removal of quinoline insolubles from coal derived fractions |
09/06/1983 | US4402824 Ketone solvent, precipitation |
08/24/1983 | EP0086609A1 Carbon artifact grade pitch and manufacture thereof |
08/24/1983 | EP0086607A1 Carbon artifact grade pitch and manufacture thereof |
05/11/1983 | EP0078554A2 Process and the preparation of a highly reactive tar fraction and its use |
04/05/1983 | US4379133 Process for anisotropic carbon production |
03/08/1983 | CA1142469A1 Combined dewatering and liquid phase hydrogenolysis of raw peat using carbon monoxide |
02/08/1983 | CA1140931A1 Producing anthracene from creosote |
02/08/1983 | CA1140881A1 Process for preparing a pitch from a tar |
01/04/1983 | CA1138801A1 Treatment of coal tar with ethoxylated sulfated surface-active compositions |
12/22/1982 | EP0067581A1 Process for preparing a pitch material |
09/14/1982 | US4349418 Quinoline and isoquinoline, solvent extraction |
07/13/1982 | US4339346 Bituminous emulsions |
07/13/1982 | US4339328 Process for the production of high grade carbonaceous binders |
06/16/1982 | EP0053831A2 Method for making reinforced materials having an improved reinforcing material therein |
05/18/1982 | US4330394 Quenching process |
05/05/1982 | EP0051056A1 Treatment of coal tar |
05/04/1982 | US4328089 Combined dewatering and liquid phase hydrogenolysis of raw peat using carbon monoxide |
04/20/1982 | CA1122135A1 Process and apparatus for dehydrating tars and hydroarbon oils |
01/26/1982 | US4313012 Producing anthracene from creosote |
01/12/1982 | US4310422 Method of processing and recirculating filtration residues |
12/15/1981 | US4305814 Energy efficient process for separating hydrocarbonaceous materials into various fractions |
12/15/1981 | US4305812 Solvent deasphalting by polarity gradient extraction |
12/15/1981 | CA1114318A1 Method for reducing the quinoline-insolubles content of coal tar pitch |
10/13/1981 | CA1110572A1 Method for dewatering coke tar-water mixture |
09/29/1981 | US4292170 Removal of quinoline insolubles from coal derived fractions |
09/15/1981 | CA1108807A1 Neomesophase formation |
08/26/1981 | EP0034305A2 Process for working-up and recycling filtration residues |
08/04/1981 | US4282096 Tar separating device |
07/28/1981 | CA1105846A1 Process and apparatus for the separation of tar and ammonia liquor effluents from coke oven plants |
07/09/1981 | WO1981001842A1 Producing anthracene from creosote |
05/12/1981 | CA1100898A1 Process for separating tar and solids from coal liquefaction products using a halogenated aliphatic solvent |
03/31/1981 | US4259171 Process for the separation of quinoline-insoluble components from coal tar pitch |
12/30/1980 | CA1092479A1 Apparatus and method for continuously monitoring and controlling the level of tar in a settling tank |
11/25/1980 | CA1090274A1 Two-stage process and apparatus for the separation of tar |
11/04/1980 | US4231856 Purifying filter-clogging coal tar formed from low-temperature coal carbonization |
07/08/1980 | US4211633 Separation of asphaltic materials from heptane soluble components in liquified solid hydrocarbonaceous extracts |
07/08/1980 | CA1081150A1 Coal purification |
06/03/1980 | CA1078601A1 Carbon electrodes having stabilized binders derived from the entire organic fraction of bituminous coal |
04/08/1980 | US4197190 External heating, spraying into holding vessel and scrubbing watervapor |
01/22/1980 | US4184942 Neomesophase formation |
11/27/1979 | US4176062 Process for the separation of foam from effluents of coke oven plants |
10/23/1979 | CA1064658A1 Method for producing solid carbon material having high bulk density and flexural strength |
08/21/1979 | CA1060834A1 Process and apparatus for the separation of so-called float tars |
05/02/1979 | EP0001676A2 A process for separating tar and solids from coal liquefaction products |
04/17/1979 | US4149971 Two-stage process and apparatus for the separation of tar |
04/10/1979 | US4148716 Process for separating tar and solids from coal liquefaction products using a halogenated aliphatic solvent |
02/20/1979 | US4140143 Apparatus and method for continuously monitoring and controlling the level of tar in a settling tank |
02/13/1979 | US4139451 Method for dewatering coke tar-water mixtures |
02/13/1979 | US4139397 Paving grade asphalt compositions |
09/26/1978 | US4116815 Process for preparing needle coal pitch coke |
09/19/1978 | US4115527 Production of carbon fibers having high anisotropy |
08/22/1978 | CA1036954A1 Apparatus for processing the gas-main flushing liquor yielded in coke ovens |
07/18/1978 | US4101415 Solvent deasphalting |
04/25/1978 | US4086144 Process and apparatus for the separation of float tars in the tar separator of a coking installation |
04/11/1978 | US4083940 Leaching with nitric and hydrochloric acid |
03/21/1978 | US4080283 Process for continuous production of pitch |
02/14/1978 | US4073728 Removal of tar |
02/07/1978 | US4072599 Carbon electrodes having stabilized binders derived from the entire organic fraction of bituminous coal |
12/27/1977 | US4065273 Separation by gravity, ammonium carbonate |
07/19/1977 | US4036603 Apparatus for removing solid matter from coal tar |
04/05/1977 | US4016247 Production of carbon shaped articles having high anisotropy |
06/01/1976 | US3960969 Method for preparing an improved creosote wood preservative from a coal tar creosote by the use of caustic compounds |
05/11/1976 | US3956100 Catalytic hydrogenation |