C07C 17/263
By condensation reactions
Official title: by condensation reactions
C07C17/263 (By condensation reactions) appears on 712 US grants and 421 published applications in this corpus.
Search patents in C07C- Granted patents
- 712
- Published applications
- 421
- Assignees
- 324
- Inventors
- 1,509
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 19 | 0 |
| 1983 | 18 | 0 |
| 1984 | 21 | 0 |
| 1985 | 19 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 13 | 0 |
| 1995 | 16 | 0 |
| 1996 | 23 | 0 |
| 1997 | 26 | 0 |
| 1998 | 18 | 0 |
| 1999 | 19 | 0 |
| 2000 | 20 | 0 |
| 2001 | 22 | 5 |
| 2002 | 26 | 22 |
| 2003 | 12 | 23 |
| 2004 | 13 | 35 |
| 2005 | 20 | 22 |
| 2006 | 18 | 17 |
| 2007 | 20 | 15 |
| 2008 | 9 | 20 |
| 2009 | 10 | 25 |
| 2010 | 15 | 17 |
| 2011 | 16 | 23 |
| 2012 | 14 | 13 |
| 2013 | 15 | 9 |
| 2014 | 15 | 16 |
| 2015 | 20 | 12 |
| 2016 | 16 | 21 |
| 2017 | 14 | 9 |
| 2018 | 7 | 13 |
| 2019 | 17 | 16 |
| 2020 | 9 | 15 |
| 2021 | 16 | 19 |
| 2022 | 13 | 17 |
| 2023 | 9 | 13 |
| 2024 | 9 | 19 |
| 2025 | 7 | 1 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing reaction gas containing 1,1,2-trifluoroethane (r-143) and/or (e,z)-1,2-difluoroethylene (r-1132(e,z))6 Oct 2026US 12,753,135 B2Daikin Industries, Ltd.
- Fullerene derivative and production method therefor28 Jul 2026US 12,696,679 B2Mitsubishi Corporation
- Method for producing fluorine-containing olefin31 Mar 2026US 12,590,047 B2AGC Inc.
- Method of manufacturing fluorine-containing compound17 Mar 2026US 12,577,199 B2AGC Inc.
- Manufacturing method for hydrofluoroolefin or fluoroolefin7 Oct 2025US 12,435,020 B2Daikin Industries, Ltd.
- Novel iron-based compounds, processes for the preparation thereof, and use thereof as catalysts16 Jul 2026US 2026/0200963 A1Centre National De La Recherche Scientifique
- One-pot synthesis of substituted flourenes2 Apr 2026US 2026/0092028 A1Chevron Phillips Chemical Company LP
- Storage and delivery of gaseous chemical reactants in chemical processes using metal-organic frameworks26 Mar 2026US 2026/0084134 A1Cornell University
- P-xylene cyclic dimer derivative for preparing parylene film, and preparation method and use thereof26 Mar 2026US 2026/0085028 A1Soochow University
- Abietanes and methods of making and using the same15 May 2025US 2025/0154106 A1The Florida State University Research Foundation, Inc.
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Production of fluorocarbon compounds120US 5,611,896 AAtomic Energy Corporation of S. Africa Limited · 1997
- Fluorene-containing polymers and compounds useful in the preparation thereof114US 6,169,163 AThe Dow Chemical Company · 2001
- 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers113US 5,708,130 AThe Dow Chemical Company · 1998
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002