C10G 21/003
Solvent de-asphalting
Official title: {Solvent de-asphalting}
C10G21/003 (Solvent de-asphalting) appears on 340 US grants and 296 published applications in this corpus.
Search patents in C10G- Granted patents
- 340
- Published applications
- 296
- Assignees
- 136
- Inventors
- 716
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 6 |
| 2007 | 0 | 5 |
| 2008 | 3 | 10 |
| 2009 | 7 | 12 |
| 2010 | 7 | 11 |
| 2011 | 8 | 15 |
| 2012 | 6 | 16 |
| 2013 | 3 | 22 |
| 2014 | 12 | 18 |
| 2015 | 16 | 13 |
| 2016 | 16 | 16 |
| 2017 | 10 | 19 |
| 2018 | 19 | 20 |
| 2019 | 17 | 16 |
| 2020 | 22 | 18 |
| 2021 | 19 | 14 |
| 2022 | 14 | 24 |
| 2023 | 16 | 14 |
| 2024 | 12 | 13 |
| 2025 | 12 | 8 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for mixing dilution steam with liquid hydrocarbons before steam cracking26 May 2026US 12,637,626 B2Lummus Technology Inc.
- Asphaltene inhibition and/or dispersion in petroleum fluids24 Feb 2026US 12,559,665 B2Cameron International Corporation
- Apparatus and process for upgrading heavy hydrocarbons18 Nov 2025US 12,473,504 B2ExxonMobil Technology and Engineering Company
- Process scheme for maximum heavy oil conversion with stage asphaltene rejection9 Sep 2025US 12,410,372 B2Saudi Arabian Oil Company
- Apparatus and process for upgrading heavy hydrocarbons12 Aug 2025US 12,384,976 B2ExxonMobil Technology and Engineering Company
- Process for conversion of hydrocracked pitch11 Sep 2025US 2025/0283001 A1Hindustan Petroleum Corporation Limited
- Process for producing middle distillates11 Sep 2025US 2025/0283004 A1Shell USA, Inc.
- Process for producing asphalt binder and asphalt binder22 May 2025US 2025/0163270 A1Petroleo Brasileiro S.A. - Petrobras
- Integrated slurry phase hydrocracking process to produce chemicals13 Mar 2025US 2025/0084324 A1
- Bitumen Upgrading and Carbon Product Production27 Feb 2025US 2025/0066675 A1
Most cited
By later US patents
- Field upgrading of heavy oil and bitumen268US 6,357,526 B1Kellogg Brown & Root LLC · 2002
- Enhanced solvent deasphalting process for heavy hydrocarbon feedstocks utilizing solid adsorbent114US 7,566,394 B2Saudi Arabian Oil Company · 2009
- Process for the separation of mixtures of substances103US 3,969,196 AStudiengesellschaft Kohle mbH · 1976
- Means for and methods of removing heavy bottoms from an effluent of a high temperature flash drum92US 5,258,117 AAmoco Corporation · 1993
- Integrated process for the treatment of oil feeds for the production of fuel oils with a low sulphur and sediment content89US 9,650,580 B2Ifp Energies Nouvelles · 2017