C10M 175/0041
By hydrogenation processes
Official title: {by hydrogenation processes}
C10M175/0041 (By hydrogenation processes) appears on 25 US grants and 20 published applications in this corpus.
Search patents in C10M- Granted patents
- 25
- Published applications
- 20
- Assignees
- 22
- Inventors
- 57
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 5 |
| 2024 | 3 | 2 |
| 2025 | 4 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing lube base oil and lube base oil produced thereby21 Apr 2026US 12,606,755 B2SK Enmove Co., Ltd.
- Membrane separation of used oil and compositions generated3 Feb 2026US 12,540,290 B2ExxonMobil Technology and Engineering Company
- Bio-lubricant compositions and methods thereof21 Oct 2025US 12,448,580 B2Auburn University
- Method for hydrotreating and recycling waste lubricating oil8 Apr 2025US 12,270,008 B2China University of Petroleum (East China)
- Process of producing high-quality lube base oil by using refined oil fraction of waste lubricant18 Feb 2025US 12,227,705 B2SK Enmove Co., Ltd.
- Use of re-refined base oil25 Jun 2026US 2026/0176543 A1Shell USA, Inc.
- Membrane separation of used oil and compositions generated16 Oct 2025US 2025/0320427 A1ExxonMobil Technology and Engineering Company
- Method for producing recycled lubricating base oil from waste lubricating oil and recycled lubricating base oil produced thereby28 Aug 2025US 2025/0270467 A1SK Enmove Co., Ltd.
- Method of recycling waste lubricant23 Jan 2025US 2025/0026996 A1SK Enmove Co., Ltd.
- Method of producing lube base oil and lube base oil produced thereby23 Jan 2025US 2025/0026997 A1SK Enmove Co., Ltd.
Most cited
By later US patents
- Catalyst for the hydrogenation of hydrocarbon material85US 5,166,118 AVeba Oel Technologie GmbH · 1992
- Process for the hydrogenation of heavy and residual oils60US 4,851,107 AIntevep, S. A. · 1989
- Process for the hydrogenative conversion of heavy oils and residual oils, used oils and waste oils, mixed with sewage sludge56US 5,064,523 AVeba Oel Technologie GmbH · 1991
- Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a hydrogenated distillable hydrocarbonaceous product15US 4,923,590 AUop LLC · 1990
- Process for the hydrogenation reprocessing of used oils12US 5,045,179 ARuhrkohle Aktiengesellschaft · 1991