Patents for C10C 3 - Working-up pitch, asphalt, bitumen (3,502)
09/1996
09/17/1996US5556900 Modified asphalts for paving and roofing
08/1996
08/29/1996DE19506358A1 Quantitative recovery of bitumen binder from asphalt sample
08/28/1996EP0728814A1 Bituminous composition
08/18/1996CA2169601A1 Bituminous composition
07/1996
07/31/1996EP0582703B1 Method for preparing bitumen-polymer compositions, application of said compositions to the production of coatings, and mother polymer solution for obtaining said compositions
07/30/1996US5540905 Optically anisotropic pitch for manufacturing high compressive strength carbon fibers and method of manufacturing high compressive strength carbon fibers
07/30/1996US5540903 Process for producing solvated mesophase pitch and carbon artifacts thereof
07/30/1996US5540832 Process for producing solvated mesophase pitch and carbon artifacts therefrom
07/23/1996US5538621 Solvated mesophase pitches
07/10/1996EP0720859A1 Asphalt extractor
07/09/1996US5534134 Coal tar pitch, gilsonite pitch and petroleum pitch, reduced content of polyaromatic hydrocarbons
07/04/1996WO1996020250A1 Thermosetting asphalt
06/1996
06/27/1996DE19501212A1 Prodn. of bitumen and asphalt with improved ageing properties
06/26/1996EP0718372A1 Process for the preparation of stable mixtures of bitumen and polymer
06/13/1996DE4443647A1 Plant for heating crushed recycled asphalt granules
06/11/1996US5525653 Reacting very fine ground particulate rubber and paving grade asphalt to form freely pouring homogeneous mass
06/04/1996US5523269 Production of carbides and nitrides
05/1996
05/29/1996EP0713850A1 A method of phenol tar desalting
05/24/1996CA2161995A1 Method of phenol tar desalting
05/21/1996US5518606 Method for treating pitch
05/21/1996US5518538 Bitumen emulsions
05/17/1996WO1996014369A1 Process for isolating mesophase pitch
05/02/1996DE4438269A1 Salvaging viscous materials from disposal sites
04/1996
04/18/1996WO1996011242A1 Method of decreasing the fuming tendency of bitumen
04/16/1996US5508112 Process for the preparation of bitumen-polymer composition
04/16/1996US5507938 Flash thermocracking of tar or pitch
04/11/1996WO1996010618A1 Electrodynamic-chemical processing for beneficiation of petroleum residue
03/1996
03/26/1996US5501788 Solvates
03/26/1996US5501730 Asphalt composition and process for obtaining same
03/13/1996EP0701011A2 Process for preparing nitrogen containing isotropic pitch
03/06/1996CN1031200C Process for the further processing of the vacuum residue in a crude oil refinery
03/05/1996US5496400 Asphalt compositions with improved cross-linking agent
02/1996
02/27/1996US5494567 Producing optically isotropic reformed pitch by mixing pitch with strong lewis acid and cosolvent, heating, removing acid and cosolvent
02/21/1996CN1117072A Atmospheric oil decolouring method for road asphalt
02/08/1996WO1996003192A1 Asphalt extractor
02/06/1996US5489374 Liquid/liquid solvent extraction of a heat soaked isotropic pitch; materials handling
01/1996
01/24/1996EP0693543A2 Pitch with reduced tendency to smoke during spinning and a process for the production of said pitch
01/24/1996CN1115331A Double quaternary ammonium salt cation asphalt emulsifier
01/16/1996US5484520 From polyphenyl resin pitch
01/11/1996DE4438270C1 Stabilising mixts. of acid resins or acid tars obtd. by treating oil fractions
01/03/1996CN1030615C Process for preparing emulsified coal asphalt
12/1995
12/21/1995WO1995034607A1 Asphalt compositions with improved cross-linking agent
12/21/1995CA2188047A1 Asphalt compositions with improved cross-linking agent
12/19/1995US5476542 Blending sodium hydroxide with N-methyl fatty acid taurate and fatty amines to provide solubilized anhydrous strong base, mixing and heating with crude tall oil until exothermic saponification reaction is completed
12/12/1995US5474607 Bitumen emulsions
12/12/1995CA2043469C Method for producing superior quality paving asphalt and product prepared therefrom
11/1995
11/28/1995US5470558 Reaction of naphthalene, anthracene, phenanthrene or pyrene with hydrogen donor to form pitch, carbonization
11/28/1995US5470455 Process for converting acid sludge to intermediate sludge and soft and/or hard asphalt
11/16/1995DE4416785A1 Appts. for extraction of solids with compressed gas
10/1995
10/26/1995WO1995028458A1 Method for reducing mutagenicity of petroleum products
10/26/1995WO1995028457A1 Invention concerning production of asphaltmix
10/19/1995WO1995027745A1 ETHYLENE α-OLEFIN BLOCK COPOLYMERS AND METHODS FOR PRODUCTION THEREOF
10/19/1995CA2187232A1 Ethylene .alpha.-olefin block copolymers and methods for production thereof
10/18/1995CN2210190Y Device for heating asphalt
09/1995
09/06/1995EP0669961A1 Process for improved handling of bitumen
09/03/1995CA2143716A1 Sulfur containing additives for asphalt
08/1995
08/31/1995DE4406161A1 Reprocessing of composite materials contg. bitumen or tar
08/29/1995US5446005 Absorbers, catalyst supports, electrodes
08/24/1995WO1995022661A1 Method and equipment for producing foam bitumen
08/24/1995WO1995022589A1 Process for re-refining oil without acid sludge generation
08/23/1995EP0668340A1 An improved process for removing heavy metals, sulfur and chlorinated compounds from used oil to generate clear fuel oils or lube stock and soft and/or hard asphalt with no acid sludge problem
08/23/1995EP0425527B1 Process for manufacturing a bituminous binder modified with a thermoplastic for building materials
08/22/1995CA1336741C Pourable bitumen granulate
08/17/1995WO1995021902A1 Removal of contaminants from oil
08/17/1995CA2183433A1 Removal of contaminants from oil
08/15/1995US5441548 Process for the partial oxidation of bituminous oil
08/01/1995US5437780 Process for making solvated mesophase pitch
08/01/1995US5437717 Anhydrous saponification of tall oil
07/1995
07/26/1995EP0664260A1 Storage container
07/05/1995EP0661369A1 Improved compositions of bitumen, their process for making and their applications
07/04/1995US5429739 Pitch precursor production by distillation
07/01/1995CA2139164A1 Asphalt compositions, their preparation and applications
06/1995
06/28/1995CN1104175A Method for preparation of active carbon
06/28/1995CN1104174A Method for preparation of active carbon
06/27/1995US5428085 Bitumen-polymer compositions, their method of preparation and their uses
06/14/1995EP0657400A1 Self-adhesive carbonaceous grains and process for producing high-density and high-strength carbon artifacts
06/14/1995EP0656961A1 Hydrocarbyl distillation process.
06/14/1995CN1103657A Production process of petroleum bitumen oxidizing oil slurry from catalytically cracked heavy oil
06/08/1995DE4442519A1 Carbon powder for use in electrorheological fluids
06/08/1995DE4401501C1 Electrically heated storage container
05/1995
05/24/1995CN1102847A Process of producing low waxy road asphalt
05/24/1995CN1028536C Making method of carbon monoxide and hydrogen mixed gas fuel
05/24/1995CA2136376A1 Low pah pitch and process for same
05/16/1995US5415764 Vacuum distillation of crude oil
05/10/1995EP0424420B1 Process for preparing bitumen-rubber compositions
05/09/1995US5414029 Aqueous bitumen-polymer emulsions, their method of preparation and their use
05/03/1995EP0612344A4 Process for making carbon electrode impregnating pitch from coal tar.
04/1995
04/11/1995US5405524 Process for the catalytic conversion of low molecular weight aromatic hydrocarbons
03/1995
03/22/1995EP0643755A1 Process for producing solvated mesophase pitch and carbon artifacts therefrom.
03/16/1995DE4401669C1 Storage container
03/07/1995US5395607 High compressive strength pitch based carbon fiber
03/02/1995DE4329459A1 Bitumen modifier, and process for the preparation thereof
03/01/1995EP0640665A1 Process for causing bitumen/polymer blends to become storage stable
02/1995
02/22/1995EP0639630A1 Process for stabilizing bitumen-polymer blends
02/08/1995CN2189154Y Equipment for melting asphalt
02/07/1995US5387333 Process for producing optically isotropic pitch
02/01/1995EP0621887A4 Improved rubber asphalt mix.
01/1995
01/18/1995EP0600910A4 Production of hard asphalts by ultrafiltration of vacuum residua.
01/17/1995US5382348 Free-flowing; storage stability
01/17/1995CA1334012C Process for the production of mesophase pitch
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