Patents
Sitemap › C10 - Petroleum, gas or coke industries; Technical gases containing carbon monoxide; Fuels; Lubricants; Peat › C10C - Working-up tar, pitch, asphalt, bitumen; Pyroligneous acid › C10C 3 - Working-up pitch, asphalt, bitumen
Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502)
06/1980
06/17/1980US4208267 Forming optically anisotropic pitches
05/1980
05/27/1980US4204923 Method and apparatus for recovery of hydrocarbons from tar-sands
05/13/1980US4202755 Oxidation over metallic sodium
04/1980
04/15/1980US4197937 Non-ionic emulsifying release agent for bituminous sands conveyor belt
04/01/1980CA1074937A1 Bituminous mixes
03/1980
03/11/1980US4192288 Material heating apparatus
02/1980
02/19/1980CA1072035A1 Production of lubricating oils blending stock and selected components for asphalt production
02/12/1980CA1071562A1 Method of determining liquid level of charge stock in thermal cracking unit
01/1980
01/22/1980US4184942 Neomesophase formation
01/15/1980CA1069846A1 Process for making pitch from ethylene bottoms
01/08/1980US4182631 Particle size determined level of heat for entry
12/1979
12/25/1979US4180455 Process for thermal cracking a heavy hydrocarbon
12/04/1979US4177132 Agitation and distillation of heavy oil
11/1979
11/27/1979US4176043 Process for preparing binder pitches
11/27/1979US4176042 Crushing, leaching
11/27/1979US4175708 Method of transporting liquid pitch containing lumpy cokes and apparatus therefor
11/20/1979CA1066831A1 Method for bitumen-polyolefin-aggregate construction material
10/1979
10/23/1979CA1064658A1 Method for producing solid carbon material having high bulk density and flexural strength
10/09/1979CA1063960A1 Binder pitch from petroleum-base stock
10/09/1979CA1063959A1 Method of increasing yield of petroleum pitch
09/1979
09/06/1979WO1979000671A1 Foamed polymeric material based on bitumen and castor oil
09/04/1979US4166752 Chemically modified asphalt compositions
08/1979
08/28/1979US4166049 Process of producing a rubberized asphalt composition suitable for use in road and highway construction and repair and product
07/1979
07/17/1979CA1058545A2 Process for producing mesophase pitch using reduced pressure
07/17/1979CA1058544A2 Process for producing mesophase pitch
07/17/1979CA1058543A1 Conditioning drum for use in hot water separation of bitumen from mined tar sands
07/10/1979CA1058343A1 Bitumen/polymer coupling products and their preparation
06/1979
06/05/1979CA1055868A1 Process for secondary recovery of bitumen in hot water extraction of tar sand
06/05/1979CA1055663A1 Process for producing carbon fibers from mesophase pitch
06/05/1979CA1055662A1 Process for producing carbon fibers from mesophase pitch
05/1979
05/22/1979CA1054868A1 Method for coating wet pitch prills with finely divided carbonaceous material
04/1979
04/10/1979CA1052057A1 Asphalt composition, particularly for obtaining asphalt road surfaces, and method of producing this composition
04/03/1979CA1051806A1 Process for the conversion of pitch into crystalloidal pitch
03/1979
03/20/1979US4145170 Apparatus for producing sheets of thermoplastic material
02/1979
02/13/1979US4139511 Asphalt compositions
02/13/1979US4139397 Paving grade asphalt compositions
01/1979
01/16/1979CA1046215A1 Process for producing carbon fibers from mesophase pitch
01/09/1979US4133382 Recovery of petroleum from viscous petroleum-containing formations including tar sands
12/1978
12/19/1978CA1044590A1 Freeze-thaw method for reducing mineral content of a clay-water mixture
12/12/1978CA1044167A1 Preparation of petroleum pitch
12/12/1978CA1044166A1 Petroleum pitch preparation
12/12/1978CA1044005A1 Binders for electrodes
11/1978
11/28/1978US4127472 Process for preparing a raw material for the manufacture of needle coke
11/14/1978US4125459 Hydrocarbon solvent treatment of bituminous materials
10/1978
10/17/1978CA1040567A2 Process for producing mesophase pitch
09/1978
09/26/1978US4116811 Method of separating active hydrogen compounds from heterogeneous mixtures also containing compounds which do not contain active hydrogens
08/1978
08/22/1978CA1036771A1 Method for the preparation of carbon moldings and activated carbon moldings therefrom
08/15/1978US4107382 Coated pitch prill
08/15/1978CA1036525A1 Recovery and handling of asphalt containing a high concentration of asphaltene
07/1978
07/18/1978US4101415 Solvent deasphalting
07/04/1978US4098739 Chlorosulphonated elastomers, waterproof membranes
07/04/1978US4098648 Rotary separating and extracting devices
06/1978
06/20/1978US4096056 Method of producing an impregnating petroleum pitch
05/1978
05/16/1978US4089698 Process for handling asphaltene concentrates
04/1978
04/25/1978US4086156 Pitch bonded carbon electrode
04/18/1978US4085078 Low viscosity asphalt-rubber paving material
04/04/1978US4082823 Carbonaceous coating
04/04/1978US4082083 Non-polluting tar kettle assembly
03/1978
03/21/1978US4080283 Process for continuous production of pitch
03/07/1978US4077258 Method of determining liquid level in a petroleum cracking reactor
01/1978
01/03/1978US4066159 Method and apparatus for the control of pitch still operation
10/1977
10/04/1977US4052291 Solubilizing solvent-refined coal
10/04/1977US4052290 Asphalt compositions
09/1977
09/27/1977US4050846 Fluid circulating apparatus
09/13/1977US4048056 Method for the control of pitch operation
08/1977
08/16/1977US4042486 Process for the conversion of pitch into crystalloidal pitch
08/02/1977US4039423 Aluminum smelting, binders, carbon electrodes
07/1977
07/05/1977US4033328 Tar melting kettle
06/1977
06/28/1977US4032430 Process for producing carbon fibers from mesophase pitch
06/14/1977US4028974 Apparatus for cutting bitumen cakes
06/07/1977US4028527 Apparatus and control system for heating asphalt
05/1977
05/31/1977US4026788 Inert gases, carbon fibers
05/17/1977US4024076 Process for producing granular sulfurized material, granular carbon or granular activated carbon
05/10/1977US4022635 Modified asphaltite potting composition
05/03/1977US4021328 Solidifying solvent refined coal
04/1977
04/19/1977US4018682 Freeze-thaw method for reducing mineral content of a clay-water mixture
04/19/1977US4018665 Recycling aerated scavenged middlings to conditioning step of hot water extraction process
04/12/1977US4017378 Petroleum pitch
04/05/1977US4015588 Tar kettle
03/1977
03/22/1977US4013540 Petroleum pitch preparation
03/08/1977US4011184 Coupled with a metal compound
03/08/1977US4010777 Method for the achievement of an acetylene gas mixture
01/1977
01/04/1977USRE29101 Method for the preparation of carbon moldings and activated carbon moulding therefrom
01/04/1977US4001091 Asphalt blowing vessel
12/1976
12/07/1976US3995616 Asphalt kettle and closure therefor
11/1976
11/30/1976US3995014 Process for producing carbon fibers from mesophase pitch
11/16/1976US3992281 Solvents
11/09/1976US3991170 Process for producing orientation in mesophase pitch by rotational motion relative to a magnetic field and carbonization of the oriented mesophase
11/09/1976US3990885 Process for recovering hydrocarbons and heavy minerals from a tar sand hot water process waste stream
11/02/1976US3989616 Vacuum distillation, solvent extraction, deasphalting
08/1976
08/24/1976US3976729 Process for producing carbon fibers from mesophase pitch
07/1976
07/20/1976US3970542 Method of preparing electrode pitches
07/13/1976US3969220 Aerating tar sands-water mixture prior to settling in a gravity settling zone
07/13/1976US3968572 Conditioning drum for use in hot water separation of bitumen from mined tar sands
06/1976
06/15/1976US3963599 Recovery of bitumen from aqueous streams via superatmospheric pressure aeration
04/1976
04/27/1976US3953317 Composition and method for separating bituminous constituents from bituminum-bearing sands
04/20/1976US3951779 Improved hydroseparation process for aqueous extraction of bitumen from tar sands
04/20/1976US3951778 Method of separating bitumin from bituminous sands and preparing organic acids
02/1976
02/24/1976US3940281 Asphalt composition utilizing asphaltene concentrate
02/17/1976US3939004 Asphalt paving compositions from positive spot asphalt fractions
1 ... 25 26 27 28 29 30 31 32 33 34 35 36