Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502) |
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04/13/1982 | US4324651 Solvent extraction of mineral oil with methanol |
03/09/1982 | US4318619 Method of and apparatus for asphaltic concrete hot mix recycling |
03/09/1982 | US4318475 Asphalt container |
03/02/1982 | US4317809 Carbon fiber production using high pressure treatment of a precursor material |
02/23/1982 | US4316829 Modified asphalt compositions |
02/16/1982 | US4315815 Process for separating bituminous materials and recovering solvent |
02/10/1982 | EP0045662A1 Modified bitumens and production thereof |
02/09/1982 | CA1117863A1 Recovery of petroleum from viscous petroleum-containing formations including tar sands |
01/27/1982 | EP0044761A2 Process of preparation of a mesophase pitch for producing carbon fibers |
01/27/1982 | EP0044714A2 Process for producing mesophase pitch |
01/27/1982 | EP0044339A1 Current mirror circuit. |
01/26/1982 | US4312742 Process for the production of a petroleum pitch or coke of a high purity |
01/12/1982 | US4310422 Method of processing and recirculating filtration residues |
12/22/1981 | US4306961 Process for recovery of hydrocarbons from inorganic host materials |
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 |
12/08/1981 | CA1113876A1 Forming optically anisotropic pitches |
12/01/1981 | US4303631 From pitch |
11/17/1981 | US4301051 With a rubbery polymer and crosslinking agent |
10/28/1981 | EP0038669A1 Process for preparing a pitch suitable for carbon fiber production |
10/27/1981 | US4297646 Current mirror circuit |
10/13/1981 | CA1110565A1 Process and apparatus for the separation of hydrocarbons from petroleum bearing materials |
09/29/1981 | US4292371 Asphalt compositions modified with organo silane compounds |
09/15/1981 | CA1108807A1 Neomesophase formation |
09/02/1981 | EP0034896A2 Treatment of heterogeneous liquid materials |
08/26/1981 | EP0034410A2 Process for the preparation of a feedstock for carbon artifact manufacture |
08/26/1981 | EP0034305A2 Process for working-up and recycling filtration residues |
08/11/1981 | US4283269 Process for the production of a feedstock for carbon artifact manufacture |
08/11/1981 | US4283231 Heating until hydrogen sulfide evolution ceases |
08/06/1981 | WO1981002233A1 Current mirror circuit |
07/21/1981 | US4279865 Organic compound oxidation plant |
07/21/1981 | US4279739 Process for separating bituminous materials |
07/14/1981 | US4278530 Process for separating bitumen from a bitumen sand deposit |
07/14/1981 | US4278529 Process for separating bituminous materials with solvent recovery |
07/14/1981 | US4278470 Bituminous composite reinforced with a filler coated with the reaction product of bitumen and an organosilicon compound |
07/07/1981 | US4277325 Fluxing with an organic liquid, separation of solids, staged precipitation of pitch with organic antisolvent |
07/07/1981 | US4277324 Fluxing with organic liquid to form suspension of quinoline-insoluble material which is removed, precipitation of pitch |
06/30/1981 | US4276246 Expansion by thermal decomposition of blowing agent |
06/30/1981 | CA1104081A1 Method of transporting liquid pitch containing coke and apparatus therefor |
06/23/1981 | CA1103837A1 Bituminous compounds with improved rheological properties |
06/16/1981 | US4273685 Reacted with polymerizable aromatic vinyl monomer, paving, roofing |
06/16/1981 | US4273675 Process for the preparation of spherical carbon particles and spherical activated carbon particles |
06/16/1981 | US4273644 Pressure reduction and steam stripping |
06/16/1981 | US4273588 Bitumens, ammonia or amine |
06/16/1981 | CA1102962A1 Low molecular weight mesophase pitch |
06/09/1981 | US4272501 Carbon fibers from SRC pitch |
06/09/1981 | CA1102728A1 Demulsifying petroleum emulsions with polyalkylene oxide resins and alkali metal halides |
06/02/1981 | US4271006 Process for production of carbon artifact precursor |
06/02/1981 | US4270609 Mixtures of floating agents and transfer agents |
05/26/1981 | US4269693 Process for recovering bitumen from waste bituminous products |
04/29/1981 | EP0027739A1 Process for producing mesophase pitch and process for producing carbon fibers |
04/28/1981 | CA1100075A1 Process for manufacturing bitumen |
04/28/1981 | CA1100074A1 Process aids for the conditioning step in the hot water extraction process for tar sand |
04/28/1981 | CA1100073A1 Crushed shale is subjected to a leaching treatment prior to final comminution thereof |
04/08/1981 | EP0026647A1 Mesophase pitch, processes for its production and fibers produced therefrom |
04/08/1981 | EP0026200A1 A method of recovering high-grade fuel from solid mineral-fuel raw material. |
04/07/1981 | US4260423 Kiln tar binder and method of producing it |
03/31/1981 | US4259171 Process for the separation of quinoline-insoluble components from coal tar pitch |
03/24/1981 | US4257870 Solidification, pulverization |
03/24/1981 | US4257778 Thermocracking |
02/10/1981 | US4250017 Process and apparatus for separating tar from a tar sand mixture |
02/03/1981 | US4248936 Asphalt-coated glass fibers |
01/07/1981 | EP0021708A1 Preparation of an optically anisotropic pitch precursor material |
01/06/1981 | US4243513 Method of increasing yield of petroleum pitch |
01/06/1981 | US4243512 Process for preparation of pitch for producing carbon fiber |
01/06/1981 | US4243426 Bitumens, unsaturated silane, coating glass fibers |
12/30/1980 | US4242246 Process for the preparation of bituminous compositions making use of a mother solution containing polymers and sulfur |
12/30/1980 | US4242196 Mass production system of highly aromatic petroleum pitch |
12/30/1980 | US4242195 Extraction of tar sands or oil shale with organic sulfoxides or sulfones |
12/23/1980 | US4240898 Process for producing high quality pitch |
12/23/1980 | US4240897 Oil sands hot water extraction process |
12/16/1980 | US4239547 Crushing, heating, reaction with sulfur |
12/02/1980 | US4237052 Method for the preparation of bitumens modified by polymers |
12/02/1980 | US4236995 Process for recovering bitumen from tar sand |
11/04/1980 | US4231857 Process for preparing petroleum-derived binder pitch |
10/21/1980 | US4229281 Process for extracting bitumen from tar sands |
10/21/1980 | US4229221 Method for producing refractories |
10/16/1980 | WO1980002152A1 A method of recovering high-grade fuel from solid mineral-fuel raw material |
10/15/1980 | EP0017394A2 Container for containment of bituminous products |
10/15/1980 | EP0016759A1 Foamed polymeric material based on polyisocynate and the reaction product of bitumen and castor oil and intermediate products for producing this material. |
10/07/1980 | US4226690 Process for dehydration and demineralization of diluted bitumen |
10/07/1980 | US4226633 Raw composition for carbon articles |
10/01/1980 | EP0016661A2 Preparation of an optically anisotropic deformable pitch precursor |
09/23/1980 | US4224138 Process for recovering bitumen from oil sand |
09/23/1980 | US4224079 Asphaltic paving compositions and method of preparation from solvent refined coal |
09/16/1980 | US4222851 Recovery of asphalt shingle components by solvent extraction |
09/16/1980 | CA1085762A1 Grinding as a means of reducing flocculant requirements for destabilizing sludge (tailings) |
09/16/1980 | CA1085760A1 Process for recovering bitumen from tar sand |
09/02/1980 | US4220474 Amorphous refractory compositions |
08/26/1980 | US4219404 Vacuum or steam stripping aromatic oils from petroleum pitch |
08/19/1980 | CA1083992A1 Continuous thermal cracking of reduced crude oil residuum |
08/12/1980 | US4217202 Process for selective recovery of relatively metals-free bitumen from tar sand using a halogenated aliphatic solvent in combination with a second solvent |
08/06/1980 | EP0013946A1 Apparatus for mixing asphalt-aggregate compositions |
08/05/1980 | CA1083063A1 Synthetic asphalt and its production |
07/29/1980 | CA1082628A1 Chemical pitch |
07/08/1980 | US4211633 Separation of asphaltic materials from heptane soluble components in liquified solid hydrocarbonaceous extracts |
07/08/1980 | US4211576 Scrap rubber a petroleum from refinery bottoms |
06/24/1980 | US4209500 Low molecular weight mesophase pitch |
06/23/1980 | EP0016759A4 Foamed polymeric material based on polyisocynate and the reaction product of bitumen and castor oil and intermediate products for producing this material. |