C10G 67/0409
Extraction of unsaturated hydrocarbons
Official title: {Extraction of unsaturated hydrocarbons}
C10G67/0409 (Extraction of unsaturated hydrocarbons) appears on 129 US grants and 110 published applications in this corpus.
Search patents in C10G- Granted patents
- 129
- Published applications
- 110
- Assignees
- 51
- Inventors
- 320
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 2 | 3 |
| 2011 | 0 | 2 |
| 2012 | 0 | 5 |
| 2013 | 5 | 10 |
| 2014 | 4 | 4 |
| 2015 | 4 | 7 |
| 2016 | 5 | 7 |
| 2017 | 6 | 13 |
| 2018 | 6 | 13 |
| 2019 | 9 | 1 |
| 2020 | 10 | 8 |
| 2021 | 8 | 5 |
| 2022 | 6 | 4 |
| 2023 | 2 | 8 |
| 2024 | 4 | 6 |
| 2025 | 8 | 3 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of processing, transporting, or both, of hydrogen28 Apr 2026US 12,612,566 B2Saudi Arabian Oil Company
- Methods for producing liquid organic hydrogen carriers (LOHC)21 Apr 2026US 12,606,433 B2Saudi Arabian Oil Company
- Method for producing high quality base oils using two stage hydrofinishing17 Mar 2026US 12,577,478 B2Chevron U.S.A.Inc.
- Method for selective hydrogenation of butadiene extraction tail gas and selective hydrogenation apparatus thereof10 Mar 2026US 12,570,908 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Method for producing high quality base oils using multiple stage processing2 Dec 2025US 12,486,465 B2Chevron U. S. A. Inc.
- A process for producing a liquid transportation fuel component18 Dec 2025US 2025/0382534 A1Neste Oyj
- Methods for producing liquid organic hydrogen carriers (lohc)19 Jun 2025US 2025/0197201 A1Saudi Arabian Oil Company
- Methods of processing, transporting, or both, of hydrogen19 Jun 2025US 2025/0197744 A1Saudi Arabian Oil Company
- Upgrading of the aromatics originating from catalytic cracked gasolines to the aromatics complex16 May 2024US 2024/0158706 A1Ifp Energies Nouvelles
- Method and system for re-refining and upgrading used oil25 Apr 2024US 2024/0132799 A1ReGen III Corp.
Most cited
By later US patents
- Base oil manufacturing plant246US 8,956,581 B2Chevron U.S.A.Inc. · 2015
- Oil stabilization228US 5,059,303 AAmoco Corporation · 1991
- Process for manufacturing improved process oils using extraction of hydrotreated distillates208US 6,110,358 AExxon Research & Engineering Co. · 2000
- Process for generating pure benzene from reformed gasoline69US 6,124,514 AKrupp Uhde GmbH · 2000
- Lubricant production process65US 5,110,445 AMobil Oil Corporation · 1992