C07C 23/46
With more than three condensed rings
Official title: with more than three condensed rings
C07C23/46 (With more than three condensed rings) appears on 15 US grants and 8 published applications in this corpus.
Search patents in C07C- Granted patents
- 15
- Published applications
- 8
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fullerene derivative and production method therefor28 Jul 2026US 12,696,679 B2Mitsubishi Corporation
- Fullerene derivatives and photoelectric devices and image sensors2 Apr 2019US 10,249,823 B2Samsung Electronics Co., Ltd.
- Organic electroluminescent materials and devices18 Jul 2017US 9,711,730 B2Universal Display Corporation
- Compositions containing modified fullerenes22 Jul 2014US 8,785,013 B2E. I. Du Pont de Nemours and Company
- Functionalized carbon materials18 Oct 2011US 8,039,681 B2E. I. Du Pont de Nemours and Company
- Organic compound and electroluminescent device12 Sep 2024US 2024/0301284 A1Sichuan AG-Ray New Materials Co., Ltd
- Fullerene derivative and production method therefor12 Sep 2024US 2024/0306486 A1Resonac Corporation
- Fullerene derivatives and photoelectric devices and image sensors17 Jan 2019US 2019/0019955 A1Samsung Electronics Co., Ltd.
- Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation8 Feb 2018US 2018/0037526 A1The Trustees of Princeton University
- Organic Electroluminescent Materials and Devices28 Jul 2016US 2016/0218294 A1Universal Display Corporation
Most cited
By later US patents
- Perfluoro polycyclic compounds for use as synthetic blood and perfusion media58US 4,105,798 AChildren's Hospital Medical Center · 1978
- Functionalized carbon materials20US 8,039,681 B2E. I. Du Pont de Nemours and Company · 2011
- Fluoroalkylated fullerene compounds16US 5,382,719 AE. I. Du Pont de Nemours and Company · 1995
- Selective functionalization of fullerenes12US 5,364,993 AInrad, Inc. · 1994
- Cyclofluoroalkylated fullerene compounds9US 5,382,718 AE. I. Du Pont de Nemours and Company · 1995