Description
Class C10C : WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID
Subclass 3/02: Working-up pitch, asphalt, bitumen by chemical means
C10C 3/02
Sub-Class
Stats
- 60 US PATENTS IN FORCE
- 12 US APPLICATIONS PENDING
- 29 Total Patent Owners
- 349 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12202775 | Packaging for solid hydrogen sulfide scavengers | Aug 14, 20 | Jan 21, 25 | Baker Hughes Oilfield Operations LLC |
| 12076663 | Methods for modulating petroleum-based hydrocarbons using amines | Mar 12, 20 | Sep 03, 24 | Western Research Institute, Inc. |
| 12049591 | Bitumens comprising unconventional bitumen bases | Aug 24, 21 | Jul 30, 24 | IFP Energies Nouvelles |
| 12006473 | Method for recycling asphalt | Jul 03, 20 | Jun 11, 24 | HEMO GmbH |
| 11912941 | Systems and methods for the manufacture of high melting hydrocarbons from coal | Feb 24, 21 | Feb 27, 24 | CARBON HOLDINGS INTELLECTUAL PROPERTIES, LLC |
| 11898101 | Method and apparatus for continuous production of mesophase pitch | Aug 26, 21 | Feb 13, 24 | Koppers Delaware, Inc. |
| 11718798 | Compositions and methods of removing contaminants in refinery desalting | Jun 16, 20 | Aug 08, 23 | Baker Hughes Holdings LLC |
| 11518947 | Dispersion of hexamine in non-aqueous glycerine | Mar 26, 18 | Dec 06, 22 | ECOLAB USA INC. |
| 11401470 | Production of petroleum pitch | May 19, 20 | Aug 02, 22 | Saudi Arabian Oil Company |
| 11401424 | Age-resistant asphalt compositions and methods | Dec 18, 17 | Aug 02, 22 | Blacklidge Emulsions, Inc. |
| 11319491 | Pitch process | May 22, 20 | May 03, 22 | Not available |
| 11319490 | Integrated process for mesophase pitch and petrochemical production | Jan 05, 21 | May 03, 22 | Saudi Arabian Oil Company; King Abdullah University of Science and Technology; |
| 11292971 | Dissolution of hexamine in non-aqueous solvent | Mar 26, 20 | Apr 05, 22 | ECOLAB USA INC. |
| 11193070 | Seeded mesophase pitch process | May 28, 20 | Dec 07, 21 | Advanced Carbon Products, LLC |
| 10920038 | Crosslink agent dispersible in oil or water for polymer modified asphalt | Aug 03, 18 | Feb 16, 21 | Dennis D. Krivohlavek and Lucindy June Krivohlavek Revocable Family Trust |
| 10913901 | Integrated process for mesophase pitch and petrochemical production | Aug 30, 18 | Feb 09, 21 | Saudi Arabian Oil Company; King Abdullah University of Science and Technology; |
| 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 |
| 10731084 | Pitch process | Feb 20, 18 | Aug 04, 20 | Advanced Carbon Products, LLC |
| 10633602 | Dissolution of hexamine in non-aqueous solvent | Mar 26, 18 | Apr 28, 20 | ECOLAB USA INC. |
| 10544282 | Hydrogen sulfide scavengers for polymer treated asphalt | Nov 29, 17 | Jan 28, 20 | ECOLAB USA INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0059,374 | USE OF BISAMIDE COMPOUNDS TO IMPROVE THE AGEING RESISTANCE OF BITUMEN | Dec 12, 22 | Feb 20, 25 | 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 |
| 2024/0158,697 | MULTI-STAGE SUPERCRITICAL WATER UPGRADING OF ASPHALTENES FOR THE PRODUCTION OF HIGH-QUALITY MESOPHASE PITCH | Nov 09, 23 | May 16, 24 | Saudi Arabian Oil Company |
| 2024/0068,132 | Methods For Enhancing The Formation Of Mesophase In Pitch Compositions Derived From Hydrocarbon Feedstocks | Nov 10, 21 | Feb 29, 24 | ExxonMobil Technology and Engineering Company |
| 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 |
| 2023/0242,820 | COPOLYMERIZATION OF SULFUR WITH BIO-OIL OR BIOMASS MONOMERS | Jan 31, 23 | Aug 03, 23 | Not available |
| 2023/0062,059 | Method and Apparatus for Continuous Production of Mesophase Pitch | Aug 26, 21 | Mar 02, 23 | Koppers Delaware, Inc. |
| 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 |
| 2022/0154,075 | HIGH VALUE PRODUCTS DERIVED FROM COAL-BASED FEEDSTOCKS | Mar 12, 20 | May 19, 22 | Not available |
| 2021/0363,428 | PRODUCTION OF PETROLEUM PITCH | May 19, 20 | Nov 25, 21 | Saudi Arabian Oil Company |
| 2020/0181,497 | UPGRADING CHALLENGED FEEDS AND PITCHES PRODUCED THEREFROM | Dec 09, 19 | Jun 11, 20 | Not available |
| 2018/0142,158 | RAW MATERIAL PITCH FOR CARBON FIBER PRODUCTION | May 09, 16 | May 24, 18 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.); KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION; |
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)