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Class Information
Number: 208/44
Name: Mineral oils: processes and products > Asphalts, tars, pitches and resins; making, treating and recovery > Chemical modification of asphalt, tar, pitch or resin
Description: Processes including a chemical modification of an already formed asphalt, tar, pitch or resin.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625479 |
Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content |
Dec. 1, 2009 |
| 7594990 |
Hydrogen donor solvent production and use in resid hydrocracking processes |
Sep. 29, 2009 |
| 7582201 |
Controlling tar by quenching cracked effluent from a liquid fed gas cracker |
Sep. 1, 2009 |
| 7438797 |
Method of controlling asphaltene precipitation in a fluid |
Oct. 21, 2008 |
| 7393449 |
Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content |
Jul. 1, 2008 |
| 7374659 |
Methods and systems for modifying asphalts |
May. 20, 2008 |
| 7318891 |
Noah's pitch process |
Jan. 15, 2008 |
| 7318890 |
Pitch fractionation and high softening point pitch |
Jan. 15, 2008 |
| 7282135 |
Low viscosity, high carbon yield pitch product |
Oct. 16, 2007 |
| 7252755 |
Viscosity modification of heavy hydrocarbons |
Aug. 7, 2007 |
| 7220348 |
Method of producing high softening point pitch |
May. 22, 2007 |
| 7108780 |
Oil desalting by forming unstable water-in-oil emulsions |
Sep. 19, 2006 |
| 7094331 |
Viscosity modification of heavy hydrocarbons using dihydric alcohols |
Aug. 22, 2006 |
| 7066997 |
Coal tar and hydrocarbon mixture pitch and the preparation and use thereof |
Jun. 27, 2006 |
| 7033485 |
Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process |
Apr. 25, 2006 |
| 7018526 |
Carbonized pitch moldings prepared from synthetic mesophase pitch and heat-soaked isotropic pitch |
Mar. 28, 2006 |
| 7008526 |
Processes for producing coke, artificial graphite and carbon material for negative electrode of non-aqueous solvent type secondary battery and pitch composition used therefor |
Mar. 7, 2006 |
| 6827841 |
Low viscosity, high carbon yield pitch product |
Dec. 7, 2004 |
| 6761818 |
Heavy oil-solid composition and method for preparing the same |
Jul. 13, 2004 |
| 6733737 |
Rapid oxidation/stabilization technique for carbon foams, carbon fibers and C/C composites |
May. 11, 2004 |
| 6689295 |
Carbonaceous porous body and method for producing the same |
Feb. 10, 2004 |
| 6582588 |
High temperature, low oxidation stabilization of pitch fibers |
Jun. 24, 2003 |
| 6555728 |
Process for decontamination of ballast pitch material |
Apr. 29, 2003 |
| 6533925 |
Asphalt and resin production to integration of solvent deasphalting and gasification |
Mar. 18, 2003 |
| 6524468 |
Heavy oil - solid composition and method for preparing the same |
Feb. 25, 2003 |
| 6464856 |
Separation of tars, oils and inorganic constituents from oil bearing sands or shales |
Oct. 15, 2002 |
| 6410814 |
Process for synthesis of lower isoparaffins from synthesis gas |
Jun. 25, 2002 |
| 6402934 |
Recovery and transportation of heavy crude oils |
Jun. 11, 2002 |
| 6383365 |
Low softening point petroleum pitch and sealer |
May. 7, 2002 |
| 6361682 |
Pelletization of petroleum resids |
Mar. 26, 2002 |
| 6342171 |
Process of stabilizing a carbonaceous pitch-based foam |
Jan. 29, 2002 |
| 6331245 |
Petroleum resid pelletization |
Dec. 18, 2001 |
| 6325986 |
Method for reducing hydrogen chloride emissions from air-blown asphalt |
Dec. 4, 2001 |
| 6319392 |
Coal tar extract with reduced aromatic hydrocarbon content, method for obtaining same and dermatological and cosmetic compositions |
Nov. 20, 2001 |
| 6291537 |
Encapsulation of oxidants for pitch stabilization |
Sep. 18, 2001 |
| 6270653 |
Method of controlling asphaltene precipitation in a fluid |
Aug. 7, 2001 |
| 6258255 |
Method for enhancing asphalt properties |
Jul. 10, 2001 |
| 6245217 |
Regenerative thermal oxidation system for treating asphalt vapors |
Jun. 12, 2001 |
| 6245216 |
Method for fluidizing tars |
Jun. 12, 2001 |
| 6207044 |
Solvent extraction of hydrocarbons from inorganic materials and solvent recovery from extracted hydrocarbons |
Mar. 27, 2001 |
| 6194344 |
Process for preparing carbonaceous material carrying ultrafinely dispersed metal |
Feb. 27, 2001 |
| 6187172 |
Viscosity reduction of crude oils and residuums |
Feb. 13, 2001 |
| 6162410 |
Method for reducing hydrogen chloride emissions from air-blown asphalt |
Dec. 19, 2000 |
| 6123829 |
High temperature, low oxidation stabilization of pitch fibers |
Sep. 26, 2000 |
| 6106701 |
Deasphalting process |
Aug. 22, 2000 |
| 6068758 |
Process for hydrocracking heavy oil |
May. 30, 2000 |
| 6036843 |
Method for reducing hydrogen chloride emissions from an asphalt air-blowing process |
Mar. 14, 2000 |
| 6027634 |
Process for stable aqueous asphaltene suspensions |
Feb. 22, 2000 |
| 6010617 |
Process for producing non-carcinogenic coal-tar-derived products |
Jan. 4, 2000 |
| 5961814 |
Pitch foam products |
Oct. 5, 1999 |
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