C07C 2531/26
Containing in addition, inorganic metal compounds not provided for in groups c07c2531/02
Official title: containing in addition, inorganic metal compounds not provided for in groups C07C2531/02 - C07C2531/24
C07C2531/26 (Containing in addition, inorganic metal compounds not provided for in groups c07c2531/02) appears on 274 US grants and 195 published applications in this corpus.
Search patents in C07C- Granted patents
- 274
- Published applications
- 195
- Assignees
- 148
- Inventors
- 679
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 3 | 3 |
| 2003 | 4 | 3 |
| 2004 | 5 | 8 |
| 2005 | 3 | 3 |
| 2006 | 3 | 5 |
| 2007 | 5 | 3 |
| 2008 | 3 | 4 |
| 2009 | 3 | 1 |
| 2010 | 0 | 4 |
| 2011 | 3 | 3 |
| 2012 | 2 | 6 |
| 2013 | 5 | 10 |
| 2014 | 5 | 14 |
| 2015 | 15 | 29 |
| 2016 | 18 | 20 |
| 2017 | 21 | 10 |
| 2018 | 11 | 9 |
| 2019 | 11 | 14 |
| 2020 | 5 | 8 |
| 2021 | 7 | 6 |
| 2022 | 7 | 10 |
| 2023 | 8 | 5 |
| 2024 | 1 | 5 |
| 2025 | 2 | 7 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 2531/28Of the platinum group metals, iron group metals or copperIndexing code95
- C07C 2531/34Of chromium, molybdenum or tungstenIndexing code73
- C07C 2531/38Of titanium, zirconium or hafniumIndexing code50
- C07C 2531/36Of vanadium, niobium or tantalumIndexing code24
- C07C 2531/32Of manganese, technetium or rheniumIndexing code4
Recent patents
- Production of 2,2,4,4-tetramethylcyclobutane-1,3-diol from secondary alcohols and 2,2,4,4-tetramethylcyclobutanedione using homogeneous catalysts19 May 2026US 12,630,491 B2Eastman Chemical Company
- Methods of arene alkenylation2 Sep 2025US 12,404,221 B2University of Virginia Patent Foundation
- 5G avoidance during LTE-based real-time communications11 Feb 2025US 12,225,611 B2T-Mobile USA, Inc.
- Branched alcohols6 Aug 2024US 12,054,455 B2SCION Holdings LLC
- Antifouling oligomerization catalyst systems24 Oct 2023US 11,794,176 B2Saudi Arabian Oil Company
- Highly efficient and stable lycopene cis-isomerization method20 Aug 2026US 2026/0242309 A1China Pharmaceutical University
- Process for the preparation of bio-based olefins from primary alcohol5 Mar 2026US 2026/0062361 A1BASF SE
- Photocatalysts, preparation and use thereof4 Dec 2025US 2025/0367649 A1The Royal Institution for the Advancement of Learning/Mcgill University
- Phosphino-Quinoline-Pyridine Ligands and Methods13 Nov 2025US 2025/0346619 A1Chevron Phillips Chemical Company LP
- Enhanced Iron-Based Oligomerization of Ethylene Using Machine Learning-Based K-Value Prediction13 Nov 2025US 2025/0349392 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Ligands for metals and improved metal-catalyzed processes based thereon83US 6,946,560 B2Massachusetts Institute of Technology · 2005
- Ligands for metals and improved metal-catalyzed processes based thereon80US 7,026,498 B2Massachusetts Institute of Technology · 2006
- Ligands for metals and improved metal-catalyzed processes based thereon80US 7,247,731 B2Massachusetts Institute of Technology · 2007
- Catalyst and process for ethylene oligomerization67US 6,184,428 B2Saudi Basic Industries Corporation · 2001