Description
Class C10C : WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID
Subclass 3/08: Working-up pitch, asphalt, bitumen by selective extraction
C10C 3/08
Sub-Class
Stats
- 58 US PATENTS IN FORCE
- 22 US APPLICATIONS PENDING
- 25 Total Patent Owners
- 417 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12252651 | Method of manufacturing recycled asphaltic and asphaltic limestone powder pellets and shapes through densification | Feb 06, 23 | Mar 18, 25 | Not available |
| 12152198 | Mesophase pitch for carbon fiber production using supercritical carbon dioxide | Aug 08, 23 | Nov 26, 24 | TerraPower, LLC. |
| 12076663 | Methods for modulating petroleum-based hydrocarbons using amines | Mar 12, 20 | Sep 03, 24 | Western Research Institute, Inc. |
| 12006474 | Methods and apparatus for treating bitumen mixtures | Jan 31, 22 | Jun 11, 24 | USD Group LLC |
| 11912941 | Systems and methods for the manufacture of high melting hydrocarbons from coal | Feb 24, 21 | Feb 27, 24 | CARBON HOLDINGS INTELLECTUAL PROPERTIES, LLC |
| 11731878 | Production of carbon fiber from asphaltenes | Jul 14, 21 | Aug 22, 23 | SUNCOR ENERGY INC. |
| 11725146 | Mesophase pitch for carbon fiber production using supercritical carbon dioxide | Jul 27, 22 | Aug 15, 23 | TerraPower, LLC. |
| 11718793 | Apparatus, system and method for providing a bitumen-rich stream from bitumen-containing materials | May 24, 21 | Aug 08, 23 | Shingle Resource Recycling, LLC |
| 11591524 | Method of separating and extracting raw materials from asphaltic limestone powder | May 07, 18 | Feb 28, 23 | Not available |
| 11434433 | Composition for removal of sulfur-containing compound | Nov 20, 17 | Sep 06, 22 | KURARAY CO. LTD |
| 11434429 | Mesophase pitch for carbon fiber production using supercritical carbon dioxide | Aug 05, 19 | Sep 06, 22 | TerraPower, LLC. |
| 11149361 | Preparation methods of high modulus carbon fiber (HMCF) and precursor (mesophase pitch (MP)) thereof | May 10, 21 | Oct 19, 21 | China University of Petroleum (East China) |
| 11060040 | Base stocks and lubricant compositions containing same | Aug 01, 19 | Jul 13, 21 | Exxonmobil Research and Engineering Company |
| 11015125 | Apparatus, system and method for providing a bitumen-rich stream from bitumen-containing materials | Apr 27, 18 | May 25, 21 | Shingle Resource Recycling, LLC |
| 10961462 | Process for extracting light hydrocarbons from aggregate material | Dec 20, 19 | Mar 30, 21 | Not available |
| 10781375 | Froth washing prior to naphtha dilution | Sep 06, 18 | Sep 22, 20 | Syncrude Canada Ltd. in trust for the owners of the Syncrude Project as such owners exist now and in the future |
| 10695769 | Apparatus, system and method for providing a bitumen-rich stream from bitumen-containing materials | Feb 16, 18 | Jun 30, 20 | Shingle Resource Recycling, LLC |
| 10640712 | Methods for retrieving, reclaiming, or recycling petroleum-based products and byproducts | May 18, 18 | May 05, 20 | Not available |
| 10619104 | Apparatus, system and method for providing a bitumen-rich stream from bitumen-containing materials | Apr 27, 18 | Apr 14, 20 | Shingle Resource Recycling, LLC |
| 10550329 | Energy efficient method for recovering oil from asphalt waste utilizing bioremediation | Aug 22, 18 | Feb 04, 20 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0019,591 | PROCESSES FOR CONVERTING HYDROCARBON FEEDSTOCK TO PITCH COMPOSITIONS SUITABLE FOR THE MANUFACTURE OF CARBON ARTICLES | Sep 14, 22 | Jan 16, 25 | ExxonMobil Technology and Engineering Company |
| 2024/0287,389 | METHODS AND APPARATUS FOR TREATING BITUMEN MIXTURES | May 02, 24 | Aug 29, 24 | Not available |
| 2024/0254,397 | ASPHALT MATERIALS FROM WIND TURBINE BLADES AND OTHER COMPOSITE MATERIALS | Jul 05, 22 | Aug 01, 24 | The University of Wyoming Research Corporation d/b/a Western Research Institute |
| 2024/0217,823 | HIGH PERFORMANCE (MESOPHASE) CARBON FIBER FEEDSTOCK PRODUCTION | Dec 21, 23 | Jul 04, 24 | Not available |
| 2024/0209,266 | Controlling Mesophase Softening Point and Production Yield by Varying Solvent SBN via Solvent Deasphalting | Apr 20, 22 | Jun 27, 24 | Not available |
| 2024/0191,139 | SYSTEMS AND METHODS FOR THE MANUFACTURE OF HIGH MELTING HYDROCARBONS FROM COAL | Feb 26, 24 | Jun 13, 24 | Not available |
| 2024/0182,788 | Mesophase Pitch Compositions from Aromatic Feedstocks, Methods of Making the Same, and Uses Thereof | Mar 08, 22 | Jun 06, 24 | Not available |
| 2024/0059,976 | Processes for Producing Mesophase Pitch | Jan 04, 22 | Feb 22, 24 | Not available |
| 2024/0018,418 | Steam Cracking Process For Converting Crude Oils To Pitch Compositions Spinnable Into Carbon Articles | Nov 10, 21 | Jan 18, 24 | ExxonMobil Technology and Engineering Company |
| 2023/0313,045 | SYSTEM AND METHOD FOR SEPARATING BITUMEN FROM SHINGLE POWDER | Mar 29, 23 | Oct 05, 23 | Not available |
| 2023/0002,680 | METHOD FOR MANUFACTURING HIGH YIELD MESOPHASE PITCH AND HIGH YIELD MESOPHASE PITCH MANUFACTURED THEREFROM | May 20, 22 | Jan 05, 23 | Not available |
| 2022/0228,069 | COMPOSITIONS AND METHODS FOR IMPROVED HANDLING AND COMBUSTION OF PETROLEUM PITCH | Apr 05, 22 | Jul 21, 22 | Marathon Petroleum Company LP |
| 2022/0220,388 | HYDROGEN SULFIDE SCAVENGERS | Jan 07, 22 | Jul 14, 22 | ECOLAB USA INC. |
| 2020/0299,588 | MESOPHASE PITCH FOR CARBON FIBER PRODUCTION USING SUPERCRITICAL CARBON DIOXIDE | Aug 05, 19 | Sep 24, 20 | TerraPower, LLC. |
| 2020/0199,456 | Process For Extracting Light Hydrocarbons From Aggregate Material | Dec 20, 19 | Jun 25, 20 | Not available |
| 2020/0181,497 | UPGRADING CHALLENGED FEEDS AND PITCHES PRODUCED THEREFROM | Dec 09, 19 | Jun 11, 20 | Not available |
| 2019/0382,664 | MODIFICATION OF TEMPERATURE DEPENDENCE OF PITCH VISCOSITY FOR CARBON ARTICLE MANUFACTURE | May 29, 19 | Dec 19, 19 | Not available |
| 2019/0330,541 | COMPOSITION FOR REMOVAL OF SULFUR-CONTAINING COMPOUND | Nov 20, 17 | Oct 31, 19 | Kuraray Co. Ltd. |
| 2019/0169,505 | METHODS AND APPARATUS FOR TREATING BITUMEN MIXTURES | Sep 10, 18 | Jun 06, 19 | U.S. Development Group, LLC |
| 2019/0078,024 | FROTH WASHING PRIOR TO NAPHTHA DILUTION | Sep 06, 18 | Mar 14, 19 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)