C07C 41/30
By increasing the number of carbon atoms
Official title: by increasing the number of carbon atoms, e.g. by oligomerisation
C07C41/30 (By increasing the number of carbon atoms) appears on 606 US grants and 487 published applications in this corpus.
Search patents in C07C- Granted patents
- 606
- Published applications
- 487
- Assignees
- 385
- Inventors
- 1,564
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 13 | 0 |
| 1979 | 14 | 0 |
| 1980 | 17 | 0 |
| 1981 | 17 | 0 |
| 1982 | 14 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 2 |
| 2002 | 13 | 9 |
| 2003 | 15 | 13 |
| 2004 | 10 | 23 |
| 2005 | 11 | 12 |
| 2006 | 11 | 13 |
| 2007 | 10 | 14 |
| 2008 | 8 | 17 |
| 2009 | 14 | 13 |
| 2010 | 11 | 22 |
| 2011 | 4 | 18 |
| 2012 | 18 | 22 |
| 2013 | 21 | 26 |
| 2014 | 16 | 23 |
| 2015 | 42 | 25 |
| 2016 | 21 | 27 |
| 2017 | 30 | 29 |
| 2018 | 17 | 22 |
| 2019 | 25 | 23 |
| 2020 | 19 | 28 |
| 2021 | 22 | 20 |
| 2022 | 12 | 19 |
| 2023 | 9 | 21 |
| 2024 | 13 | 25 |
| 2025 | 17 | 9 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic cannabigerol processes and precursors21 Apr 2026US 12,606,509 B2Kare Chemical Technologies Inc.
- Method for producing fluorine-containing olefin31 Mar 2026US 12,590,047 B2AGC Inc.
- Cannabinoid analogs, formulations, and methods of use24 Mar 2026US 12,583,832 B2Nalu Bio, Inc.
- Method of manufacturing fluorine-containing compound17 Mar 2026US 12,577,199 B2AGC Inc.
- Halloysite-based nanocomposites and methods of making and using the same23 Dec 2025US 12,502,655 B2
- Method for producing biaryl compound3 Sep 2026US 2026/0257977 A1FUJIFILM Corporation
- Method for producing compound, polymer, composition, and pattern formation method23 Jul 2026US 2026/0209160 A1Mitsubishi Gas Chemical Company, Inc.
- Novel iron-based compounds, processes for the preparation thereof, and use thereof as catalysts16 Jul 2026US 2026/0200963 A1Centre National De La Recherche Scientifique
- A process for the synthesis of stilbene and intermediates thereof9 Jul 2026US 2026/0193159 A1Fertis India Pvt Ltd
- Methods of making and using 1-methyleffusol11 Jun 2026US 2026/0159465 A1
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 thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007
- 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