C10C 3/002
Working-up pitch, asphalt, bitumen: by thermal means
Official title: {by thermal means}
C10C3/002 (Working-up pitch, asphalt, bitumen: by thermal means) appears on 177 US grants and 134 published applications in this corpus.
Search patents in C10C- Granted patents
- 177
- Published applications
- 134
- Assignees
- 96
- Inventors
- 387
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 7 | 7 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 6 |
| 2019 | 3 | 13 |
| 2020 | 3 | 6 |
| 2021 | 16 | 20 |
| 2022 | 12 | 13 |
| 2023 | 11 | 15 |
| 2024 | 12 | 18 |
| 2025 | 14 | 11 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser-assisted synthesis of graphene from pitch11 Aug 2026US 12,703,634 B2Saudi Arabian Oil Company
- Processes for making mesophase pitch14 Jul 2026US 12,680,027 B2Saudi Arabian Oil Company
- Thermal conversion of heavy hydrocarbons to mesophase pitch28 Apr 2026US 12,612,562 B2ExxonMobil Chemical Patents Inc.
- Controlling mesophase softening point and production yield by varying solvent SBN via solvent deasphalting31 Mar 2026US 12,590,251 B2ExxonMobil Chemical Patents Inc.
- Steam cracking process for converting crude oils to pitch compositions spinnable into carbon articles10 Mar 2026US 12,570,905 B2ExxonMobil Technology and Engineering Company
- Pitches from aromatic feedstocks1 Oct 2026US 2026/0297431 A1ExxonMobil Technology and Engineering Company
- Process for valorization of pitch from residue upgradation unit along with production of high modulus bitumen27 Aug 2026US 2026/0250579 A1Hindustan Petroleum Corporation Limited
- Mesophase pitch for carbon fiber and method for producing mesophase pitch-based carbon fiber16 Jul 2026US 2026/0201611 A1Kyushu University, National University Corporation
- Polycyclic aromatic molecules, pitch and graphite, having low impurities and large crystalline structure, and products made therefrom7 May 2026US 2026/0125333 A1H Quest Vanguard, Inc.
- Splashguard device for a wheeled vehicle and assembly comprising such a device30 Apr 2026US 2026/0115969 A1
Most cited
By later US patents
- Low molecular weight mesophase pitch59US 4,209,500 AUnion Carbide Corporation · 1980
- Process for producing mesophase pitch57US 4,026,788 AUnion Carbide Corporation · 1977
- Neomesophase formation49US 4,184,942 AExxon Research & Engineering Co. · 1980
- Upgrading of bitumen asphaltenes by hot water treatment42US 5,316,659 AExxon Research & Engineering Co. · 1994
- Process for producing carbon fibers from mesophase pitch38US 4,032,430 AUnion Carbide Corporation · 1977