C07C 13/70
With a condensed ring system consisting of at least two, mutually uncondensed
Official title: with a condensed ring system consisting of at least two, mutually uncondensed aromatic ring systems, linked by an annular structure formed by carbon chains on non-adjacent positions of the aromatic ring, e.g. cyclophanes
C07C13/70 (With a condensed ring system consisting of at least two, mutually uncondensed) appears on 14 US grants and 19 published applications in this corpus.
Search patents in C07C- Granted patents
- 14
- Published applications
- 19
- Assignees
- 17
- Inventors
- 68
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 3 |
| 2022 | 3 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Solution-processable indenofluorenes and methods to generate solution-processable indenofluorenes28 Jun 2022US 11,370,879 B2International Business Machines Corporation
- Materials for organic electroluminescent devices21 Jun 2022US 11,365,167 B2Merck Patent GmbH
- Solution-processable indenofluorenes and methods to generate solution-processable indenofluorenes26 Apr 2022US 11,312,820 B2International Business Machines Corporation
- Organic light emitting display devices and methods of manufacturing organic light emitting display devices1 Dec 2015US 9,203,031 B2Samsung Display Co., Ltd.
- Aryl-substituted polyindenofluorenes for use in organic electroluminiscent devices14 Oct 2014US 8,860,007 B2Merck Patent GmbH
- Tribenzotriquinacene with axial aryl group and method for preparing the same7 Aug 2025US 2025/0250215 A1National Yang Ming.Chiao Tung University
- Organic compound and organic light-emitting device18 Jul 2024US 2024/0244859 A1
- Pyrogallarene Chelating and Sequestering Agents1 Jun 2023US 2023/0168203 A9Kinsey Spiel
- Solution-processable indenofluorenes and methods to generate solution-processable indenofluorenes22 Apr 2021US 2021/0115187 A1International Business Machines Corporation
- Pyrogallarene Chelating and Sequestering Agents4 Mar 2021US 2021/0063313 A1
Most cited
By later US patents
- Gas adsorption agents particularly for separating H.sub.2 from a gaseous phase27US 4,359,327 AAgence Nationale de Valorisation de la Recherche · 1982
- Organic electroluminescence device19US 6,815,090 B1Idemitsu Kosan Co., Ltd. · 2004
- Organic electroluminescence device13US 6,818,327 B2Idemitsu Kosan Co., Ltd. · 2004
- Inclusion complex compound, process for its production, and method for its use10US 4,116,955 ATeijin Limited · 1978
- Thermally stable fullerene derivatives and process for producing the same10US 5,763,719 AHoechst Aktiengesellschaft · 1998