C10C 3/02
Working-up pitch, asphalt, bitumen: by chemical means reaction
Official title: by chemical means {reaction}
C10C3/02 (Working-up pitch, asphalt, bitumen: by chemical means reaction) appears on 270 US grants and 116 published applications in this corpus.
Search patents in C10C- Granted patents
- 270
- Published applications
- 116
- Assignees
- 133
- Inventors
- 537
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 1 |
| 2002 | 6 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 0 | 7 |
| 2010 | 3 | 2 |
| 2011 | 8 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 6 |
| 2014 | 1 | 3 |
| 2015 | 9 | 6 |
| 2016 | 5 | 3 |
| 2017 | 4 | 2 |
| 2018 | 2 | 10 |
| 2019 | 3 | 7 |
| 2020 | 10 | 7 |
| 2021 | 8 | 7 |
| 2022 | 8 | 7 |
| 2023 | 3 | 12 |
| 2024 | 8 | 7 |
| 2025 | 3 | 9 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and process for increasing a softening point of isotropic pitch6 Oct 2026US 12,753,347 B2Acp Technologies, LLC
- Processes for making mesophase pitch14 Jul 2026US 12,680,027 B2Saudi Arabian Oil Company
- Steam cracking process for converting crude oils to pitch compositions spinnable into carbon articles10 Mar 2026US 12,570,905 B2ExxonMobil Technology and Engineering Company
- High value products derived from coal-based feedstocks20 Jan 2026US 12,528,993 B2University of Wyoming
- Process scheme for maximum heavy oil conversion with stage asphaltene rejection9 Sep 2025US 12,410,372 B2Saudi Arabian Oil Company
- Binder pitch for producing carbon material and method for producing carbon material2 Jul 2026US 2026/0184997 A1Resonac Corporation
- Lignocellulosic valorization for asphalt products30 Apr 2026US 2026/0117127 A1Western Research Institute
- Methods for production of pitch particles with reprocessing of pitch fines9 Apr 2026US 2026/0098211 A1ExxonMobil Technology and Engineering Company
- Pitch-based graphite composite material, preparation method therefor and application thereof1 Jan 2026US 2026/0005245 A1Shanxi Longxing Energy Technology Co., LTD
- Process for producing mesophase pitch18 Dec 2025US 2025/0382526 A1Acp Technologies, LLC
Most cited
By later US patents
- Ethylene .alpha.-olefin block copolymers and methods for production thereof83US 5,733,980 AExxon Chemical Patents Inc. · 1998
- Carbonaceous material and a non aqueous electrolyte cell using the same77US 5,093,216 ASony Corporation · 1992
- Process for preparing bitumen-polymer compositions, application of these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions73US 4,554,313 ASociete Anonyme dite: Elf France · 1985
- Low viscosity asphalt-rubber paving material67US 4,085,078 A1978
- Rubber modified asphalt compositions64US 4,273,685 AOwens-Corning Fiberglas Corporation · 1981