C10G 73/42
Refining of petroleum waxes
C10G73/42 (Refining of petroleum waxes) appears on 31 US grants and 31 published applications in this corpus.
Search patents in C10G- Granted patents
- 31
- Published applications
- 31
- Assignees
- 21
- Inventors
- 110
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 2 |
| 2017 | 0 | 3 |
| 2018 | 3 | 4 |
| 2019 | 1 | 5 |
| 2020 | 4 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydro-dealkylation process to generate high quality fuels, base stocks and waxes7 Jul 2026US 12,674,104 B2ExxonMobil Technology and Engineering Company
- Deoiling process17 Feb 2026US 12,553,001 B2ExxonMobil Technology and Engineering Company
- Microcrystalline wax6 Feb 2024US 11,891,580 B2Shell USA, Inc.
- Circular economy for plastic waste to polyethylene and chemicals via refinery crude unit22 Aug 2023US 11,732,197 B2Chevron U.S.A.Inc.
- Circular economy for plastic waste to polyethylene and chemicals via refinery crude unit6 Dec 2022US 11,518,943 B2Chevron U.S.A.Inc.
- Systems and methods for processing pyrolysis oil8 Jan 2026US 2026/0008970 A1Sabic Global Technologies B.V.
- Hydro-Dealkylation Process To Generate High Quality Fuels, Base Stocks And Waxes7 Nov 2024US 2024/0368484 A1ExxonMobil Technology and Engineering Company
- Circular economy for plastic waste to polyethylene and chemicals via refinery crude unit30 Mar 2023US 2023/0094207 A1Chevron U.S.A.Inc.
- Deoiling process19 Jan 2023US 2023/0014244 A1ExxonMobil Technology and Engineering Company
- Microcrystalline wax25 Aug 2022US 2022/0267684 A1Shell Oil Company
Most cited
By later US patents
- Catalyst and process for hydrofining petroleum wax23US 4,186,078 AToa Nenryo Kogyo Kabushiki Kaisha · 1980
- Catalyst for hydrofining petroleum wax20US 4,139,494 AToa Nenryo Kogyo Kabushiki Kaisha · 1979
- Circular economy for plastic waste to polyethylene and chemicals via refinery crude unit11US 11,518,943 B2Chevron U.S.A.Inc. · 2022
- Circular economy for plastic waste to polyethylene and chemicals via refinery crude unit10US 11,732,197 B2Chevron U.S.A.Inc. · 2023
- Supported Ni-Cu hydroconversion catalyst9US 6,245,709 B1Exxon Research & Engineering Co. · 2001