C07C 25/22
With condensed rings
Official title: with condensed rings
C07C25/22 (With condensed rings) appears on 299 US grants and 300 published applications in this corpus.
Search patents in C07C- Granted patents
- 299
- Published applications
- 300
- Assignees
- 162
- Inventors
- 760
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 4 |
| 2002 | 10 | 6 |
| 2003 | 11 | 20 |
| 2004 | 7 | 15 |
| 2005 | 9 | 11 |
| 2006 | 12 | 13 |
| 2007 | 11 | 12 |
| 2008 | 8 | 22 |
| 2009 | 7 | 26 |
| 2010 | 12 | 8 |
| 2011 | 18 | 21 |
| 2012 | 16 | 17 |
| 2013 | 6 | 16 |
| 2014 | 15 | 18 |
| 2015 | 26 | 13 |
| 2016 | 16 | 14 |
| 2017 | 10 | 9 |
| 2018 | 8 | 7 |
| 2019 | 9 | 5 |
| 2020 | 8 | 11 |
| 2021 | 7 | 5 |
| 2022 | 8 | 8 |
| 2023 | 2 | 4 |
| 2024 | 6 | 8 |
| 2025 | 4 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing naphthylsilole, naphthylsilole containing heterocyclic group, and graphene nanoribbon containing heterocyclic group26 May 2026US 12,637,475 B2National University Corporation Tokai National Higher Education and Research System
- Encoded design integrated synthesis of nucleic acids, and phospholipids, and related pharmaceutical products18 Nov 2025US 12,473,247 B2
- Electrolytes for lithium-containing battery cells17 Jun 2025US 12,334,502 B2Apple Inc.
- Abietanes and methods of making and using the same11 Feb 2025US 12,221,419 B2The Florida State University Research Foundation, Inc.
- Encoded design integrated synthesis of nucleic acids, and phospholipids, and related pharmaceutical products14 Jan 2025US 12,195,423 B1
- Color-tunable upconversion-emission switch based on cocrystal-to-cocrystal transformation30 Jul 2026US 2026/0219545 A1Northwestern University
- Compound and organic light-emitting device comprising same16 Apr 2026US 2026/0107683 A1LG Chem.Ltd.
- Novel monomer and chemically recyclable polymer material comprising the same26 Mar 2026US 2026/0085055 A1Korea Institute of Science and Technology
- Encoded design integrated synthesis of nucleic acids, and phospholipids, and related pharmaceutical products12 Feb 2026US 2026/0042726 A1
- Tribenzotriquinacene with axial aryl group and method for preparing the same7 Aug 2025US 2025/0250215 A1National Yang Ming.Chiao Tung University
Most cited
By later US patents
- Conjugated polymers having spiro centers and their use as electroluminescence materials138US 5,621,131 AHoechst Aktiengesellschaft · 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
- 2, 7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers83US 5,962,631 AThe Dow Chemical Company · 1999
- Fluorene-containing polymers and electroluminescent devices therefrom63US 6,309,763 B1The Dow Chemical Company · 2001