C07C 2523/26
Chromium
C07C2523/26 (Chromium) appears on 373 US grants and 291 published applications in this corpus.
Search patents in C07C- Granted patents
- 373
- Published applications
- 291
- Assignees
- 185
- Inventors
- 896
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 14 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 10 |
| 2003 | 12 | 12 |
| 2004 | 8 | 15 |
| 2005 | 4 | 6 |
| 2006 | 8 | 2 |
| 2007 | 2 | 5 |
| 2008 | 1 | 8 |
| 2009 | 2 | 6 |
| 2010 | 2 | 7 |
| 2011 | 7 | 10 |
| 2012 | 5 | 18 |
| 2013 | 9 | 11 |
| 2014 | 13 | 16 |
| 2015 | 13 | 12 |
| 2016 | 7 | 16 |
| 2017 | 8 | 18 |
| 2018 | 14 | 15 |
| 2019 | 15 | 12 |
| 2020 | 19 | 15 |
| 2021 | 11 | 26 |
| 2022 | 12 | 4 |
| 2023 | 12 | 9 |
| 2024 | 10 | 13 |
| 2025 | 5 | 15 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Removal of C3 lights from LPG feedstock to butane isomerization unit12 May 2026US 12,623,987 B2Sabic Global Technologies B.V.
- Method for producing para-xylene5 May 2026US 12,617,739 B2Chiyoda Corporation
- Hydrocarbons dehydrogenation catalyst (variants)17 Mar 2026US 12,576,390 B2Wolp Pte. Ltd.
- Ligands for production of 1-octene in chromium assisted ethylene oligomerization process14 Oct 2025US 12,440,830 B2Sabic Global Technologies B.V.
- Methanol production from methane utilizing a supported chromium catalyst8 Jul 2025US 12,351,545 B2Chevron Phillips Chemical Company LP
- Chromium alumina catalysts for paraffin dehydrogenation30 Jul 2026US 2026/0216700 A1Sabic Global Technologies B.V.
- Method for producing fuel via lower aromatics30 Jul 2026US 2026/0218066 A1Totalenergies Onetech
- Catalyst for paraffin dehydrogenation23 Jul 2026US 2026/0208161 A1Sabic Global Technologies B.V.
- Catalyst for paraffin dehydrogenation23 Jul 2026US 2026/0208163 A1Sabic Global Technologies B.V.
- Alkane dehydrogenation catalyst23 Jul 2026US 2026/0208178 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Conversion of synthesis gas to hydrocarbon mixtures299US 4,096,163 AMobil Oil Corporation · 1978
- Process for the preparation of middle distillates from syngas162US 4,594,468 AShell Oil Company · 1986
- Process for the preparation of hydrocarbons90US 4,594,172 AShell Oil Company · 1986
- Hydrocarbon production76US 4,849,571 AAtlantic Richfield Company · 1989
- Process for the conversion of relatively low molecular weight hydrocarbons, to higher molecular weight hydrocarbons, catalyst-reagents for such use in such process, and the regeneration thereof68US 4,205,194 AExxon Research & Engineering Co. · 1980