C10G 49/18
In the presence of hydrogen-generating compounds
Official title: in the presence of hydrogen-generating compounds, e.g. ammonia, water, hydrogen sulfide
C10G49/18 (In the presence of hydrogen-generating compounds) appears on 54 US grants and 54 published applications in this corpus.
Search patents in C10G- Granted patents
- 54
- Published applications
- 54
- Assignees
- 27
- Inventors
- 137
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 4 |
| 2015 | 4 | 3 |
| 2016 | 1 | 3 |
| 2017 | 7 | 7 |
| 2018 | 5 | 3 |
| 2019 | 3 | 3 |
| 2020 | 3 | 2 |
| 2021 | 5 | 3 |
| 2022 | 2 | 8 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrothermal purification process19 May 2026US 12,630,772 B2Applied Research Associates, Inc.
- Foaming system for efficient plasma processing of heavy hydrocarbon18 Feb 2025US 12,227,703 B2The Texas A&M University System
- Enhanced hydroprocessing process with ammonia and carbon dioxide recovery24 Sep 2024US 12,098,331 B2Saudi Arabian Oil Company
- Processes and systems for producing upgraded product from residue12 Mar 2024US 11,926,801 B2Saudi Arabian Oil Company
- Methods for reducing coke formation in heavy oil upgrading using supercritical water20 Feb 2024US 11,905,470 B1Saudi Arabian Oil Company
- Production and/or regasification of bio-lng20 Aug 2026US 2026/0242672 A1Iogen Corporation
- Hydrothermal purification process30 Jul 2026US 2026/0218067 A1Applied Research Associates, Inc.
- Apparatus and Methods for Enhancing Hydrocarbons by Catalytic Steam-Hydro Processing4 Jun 2026US 2026/0152696 A1Nanos Technology and Innovations Ltd.
- Method of preparing pyrolysis fuel oil from waste plastics26 Mar 2026US 2026/0085245 A1LG Chem.Ltd.
- Systems and methods of producing olefins and/or aromatics by low and medium severity aquaprocessing followed by high severity aquaprocessing and steam cracking23 Oct 2025US 2025/0326973 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Heavy oil hydroprocessing101US 4,557,821 AGulf Research & Development Company · 1985
- Dispersed group VIB metal sulfide catalyst promoted with Group VIII metal88US 4,824,821 AChevron Research Company · 1989
- Heavy oil hydroprocessing with group VI metal slurry catalyst88US 4,970,190 AChevron Research Company · 1990
- Process for preparing a dispersed Group VIB metal sulfide catalyst83US 5,484,755 A1996
- Process for preparing heavy oil hydroprocessing slurry catalyst82US 4,710,486 AChevron Research Company · 1987