Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502)
08/1990
08/21/1990US4950814 Liquid fluorocarbon and a method for producing the same
08/08/1990EP0381493A1 Process for producing raw material pitch for carbon materials
08/07/1990CA1272532A1 Cationic emulsions of polymeric bituminous binders and cationic emulsifying system used to prepare these emulsions or other products
07/1990
07/25/1990EP0378901A1 Improved process for the production of mesophase pitch from isotropic pitch
07/24/1990US4943365 Method for the production of modified pitches and the further application
07/18/1990EP0378326A2 Binder pitch and method of preparation
07/18/1990EP0378187A2 Pitch for carbon fibers, process for production of said pitch, and process for production of carbon fibers using said pitch
07/05/1990DE3919209A1 Prodn. of mixt. of pitch and bitumen - by continuously feeding molten coal tar pitch to prod. stream contg. bitumen, at raised temp. in mixing chamber
07/04/1990EP0376187A2 Binder pitch for high-purity carbon material and process for preparing same
07/03/1990CA1271278A1 Cationic emulsions of polymeric bitumious binders and cationic emulsifying system used to prepare these emulsions or other products
07/03/1990CA1271152A1 Diluent substitution process and apparatus
06/1990
06/26/1990CA1270611A1 Stabilization of pitch fiber
06/20/1990CN1008444B Method for preparing the intermediate phase bituminous
06/13/1990DE3841677A1 Process for producing carbon mesophases and products of the carbon mesophase-type
06/12/1990US4933067 Pipelineable syncrude (synthetic crude) from heavy oil
06/05/1990US4931259 Fluidized-bed reaction apparatus and a fludizing bed reaction process using the same
06/05/1990US4931231 Method for manufacturing discrete pellets of asphaltic material
06/05/1990US4931163 Film-forming carbon fluoride; physical properties
06/05/1990US4931162 Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon filters
05/1990
05/30/1990EP0225883B1 Cationic emulsions of bituminous binders of the bitumen/polymer type and cationic emulsifying system usable particularly for obtaining said emulsions
05/30/1990CN2057674U Heating device for asphalt
05/29/1990US4929404 Graphitic or carbonaceous moldings and processes for producing the same
05/22/1990US4927620 From pitch
05/17/1990DE3837358A1 Process for the production of finely divided or fibrous precursors of activated carbon from pitch-like bitumenous substances and substances containing nitrogen or nitrogen and heavy metal, from which catalytically active activated carbons can be produced
05/16/1990CN2057233U Asphalt overflow-preventive pumping device
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
05/08/1990CA1268723A1 Pressure settling of mesophase
05/02/1990EP0366123A2 A liquid fluorocarbon and a method for producing the same
05/02/1990EP0214171B1 Cationic emulsions of bituminous binders of the bitumen/polymer type and cationic emulsifying system usable particularly for obtaining said emulsions
05/01/1990US4921539 Modified pitch specially adapted to bind coal particles
04/1990
04/18/1990EP0364244A1 Improved process for the production of mesophase pitch
04/17/1990CA1267861A1 Process for producing crude coal-tar pitches having improved properties and use of same
04/10/1990US4915926 Balanced ultra-high modulus and high tensile strength carbon fibers
04/04/1990EP0243443B1 High strength asphalt cement paving composition
03/1990
03/28/1990EP0360656A1 Method of making a bitumen-polymer composition
03/22/1990WO1990002776A1 Method for the preparation of bitumen-polymer compositions
03/21/1990EP0358858A1 Bitumen granules and process for preparing same
03/21/1990EP0236675B1 Process for producing modified pitch and its use
03/21/1990CN1040608A Process for producing pitch for manufacture of high-performance carbon fibers together with pitch for manufacture of general-purpose carbon fibers
03/15/1990DE3829986A1 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
03/06/1990US4905663 For heating rubberized asphalt
02/1990
02/27/1990US4904371 Process for the production of mesophase pitch
01/1990
01/24/1990CN1039045A Road bitumen producing process with decompressed residuum from pipeline-transported crude oil
01/24/1990CN1039044A Process for preparing bituminous binder modified with synthetics for construction materials
01/23/1990CA1264692A1 Process for the preparation of mesophase pitches
01/11/1990WO1990000183A1 Multigrade asphalt cement product and process
01/11/1990WO1990000182A1 Process for manufacturing a bituminous binder modified with a thermoplastic for building materials
01/11/1990WO1989012079A3 Process for preparing bitumen-rubber compositions
01/09/1990US4892642 Process for the production of mesophase
01/09/1990US4892641 Useful in production of carbon fibers, oxidation
01/04/1990DE3920878A1 Mit thermoplastischem kunststoff modifiziertes bituminoeses bindemittel und verfahren zu seiner herstellung With thermoplastic polymer modified bituminous binder and process for its preparation
01/03/1990EP0349307A2 Process for producing pitch-based carbon fibres superior in compressive physical properties
01/03/1990EP0348867A1 Multigrade asphalt cement product and process
01/03/1990EP0348599A2 Process for producing an anisotropic pitch for carbon fibres
01/02/1990US4891126 Mesophase pitch for use in the making of carbon materials and process for producing the same
12/1989
12/20/1989EP0346347A1 Pitch material made of coal tar pitch, process for producing and using the same
12/14/1989WO1989012079A2 Process for preparing bitumen-rubber compositions
12/05/1989CA1263625A1 Solvent refining of residues
11/1989
11/28/1989US4883617 Method of forming binderless carbon materials
11/23/1989EP0342542A2 Use of carbon materials
11/21/1989US4882373 Asphaltic composition
11/21/1989US4882139 Dissolving a supercritical gas in mesophasic pitch using pressurization and heating to form a low viscosity melt; separating the anistropic phase and spinning
11/21/1989US4882041 Heavy oil and liquid gas
11/15/1989CN1037167A Improvement of coke removing method and its installation for soft pipe of residual oil delayed coking technique
11/07/1989US4879326 Cationic emulsions of bituminous binders of the type bitumen/polymer and cationic emulsifying system preferably utilizable for obtaining said emulsions
10/1989
10/25/1989EP0338212A2 Ultra-high modulus and high tensile strength carbon fibre
10/18/1989CN2046123U Bituminous refining apparatus
10/17/1989US4874502 Method of purifying coal tars for use in the production of carbon products
10/17/1989US4874432 Multigrade asphalt cement product and process
10/10/1989US4873275 Modified with a copolymer of ethylene with vinyl acetate or ac rylic esters
10/04/1989CN2045385U Asphalt heater
10/03/1989US4871443 Novel method for extraction of salts from coal tar and pitches
09/1989
09/27/1989CN2044978U Asphalt-to-water ratio automatic control apparatus for emulsified asphalt
09/27/1989CN2044977U Overflow type asphalt dewatering and heating device
09/27/1989CN2044976U Vertical injection smoke-eliminating asphalt melting pot
09/26/1989CA1262007A1 Process for producing carbon fibers and the carbon fibers produced by the process
09/26/1989CA1261294A1 Method of producing precursor pitches for carbon fibers
09/19/1989CA1259575A1 Process for the preparation of an intermediate pitch for manufacturing carbon products
09/13/1989CN1035483A Balanced ultra-high modulus and high tensile strength carbon fibers
09/12/1989CA1259305A1 Sulfur-containing compositions, and additive concentrates, lubricating oils, and metal working lubricants containing same
09/06/1989EP0247082B1 Method and apparatus for foaming of bitumen
09/05/1989US4863708 Process for producing carbon fibers and the carbon fibers produced by the process
08/1989
08/22/1989US4859317 Purification process for bitumen froth
07/1989
07/12/1989CN1033829A Production method of granular pitch
07/11/1989US4846957 Precipitation of asphaltene
06/1989
06/21/1989EP0320813A1 Process for the continuous extraction of high or non-boiling but melting organic mixtures
06/14/1989EP0320282A2 Fluidized-bed reaction apparatus and a fluidizing bed reaction process using the same
06/13/1989US4839023 Once-through coking with hydrotreating and fluid catalytic cracking
06/07/1989EP0318843A1 Mesophase pitch for use in the making of carbon materials and process for producing the same
06/06/1989CA1255285A1 Catalyst mixtures for aromatic hydrocarbon synthesis
05/1989
05/30/1989US4834864 Once-through coking with solids recycle
05/24/1989EP0317217A2 Method and apparatus for activating infusibilized pitch beads
05/23/1989US4832820 Pressure settling of mesophase
05/23/1989US4832747 Paving
05/23/1989CA1254625A1 Heating and melting apparatus for melting a substance to be melted
05/16/1989US4831101 Reacting epihalohydrin with phenol, aromatic amines or aromatic amines or aromatic carboxylic acid
05/03/1989EP0314252A1 Preparation of briquettes from coal fines
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