| 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 |
| 2022/0275,281 | METHOD FOR RECYCLING ASPHALT | Jul 03, 20 | Sep 01, 22 | HEMO GmbH |
| 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; |
| 2017/0175,001 | METHOD OF PREPARING HIGH SOFTENING POINT PITCH AND HIGH SOFTENING POINT PITCH PREPARED THEREBY | Apr 22, 16 | Jun 22, 17 | Yusung Telecom Co., Ltd. |
| 2015/0210,928 | METHOD FOR REDUCING HYDROGEN SULFIDE EVOLUTION FROM ASPHALT AND HEAVY FUEL OILS | Apr 08, 15 | Jul 30, 15 | BAKER HUGHES INCORPORATED |
| 2014/0346,085 | METHOD OF PREPARING PITCH FOR CARBON FIBER | May 24, 13 | Nov 27, 14 | GS CALTEX CORPORATION |
| 2014/0299,515 | PROCESS FOR CONVERSION OF PETROLEUM FEED COMPRISING AN EBULLATED BED HYDROCONVERSION STEP IN A FIXED BED HYDROTREATMENT STEP FOR THE PRODUCTION OF LOW SULPHUR CONTENT FUEL | Sep 28, 12 | Oct 09, 14 | IFP ENERGIES NOUVELLES |
| 2014/0138,284 | DEVICE AND METHOD FOR UPGRADING PETROLEUM FEEDSTOCKS AND PETROLEUM REFINERY STREAMS USING AN ALKALI METAL CONDUCTIVE MEMBRANE | Nov 16, 12 | May 22, 14 | FIELD UPGRADING LIMITED |
| 2014/0076,777 | UPGRADING PROPERTIES OF ASPHALTS WITH WAX | Sep 20, 12 | Mar 20, 14 | EXXONMOBIL RESEARCH AND ENGINEERING COMPANY |
| 2013/0277,273 | IN-SITU HYDROGENATION OF AROMATIC COMPOUNDS FOR HEAVY OIL UPGRADING | Apr 19, 12 | Oct 24, 13 | BAKER HUGHES INCORPORATED |