C07C 2603/22
Containing only six-membered rings
Official title: containing only six-membered rings
C07C2603/22 (Containing only six-membered rings) appears on 1,130 US grants and 1,097 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,130
- Published applications
- 1,097
- Assignees
- 570
- Inventors
- 3,108
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 22 | 0 |
| 1978 | 18 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 12 | 0 |
| 1986 | 11 | 0 |
| 1987 | 5 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 13 | 0 |
| 1992 | 20 | 0 |
| 1993 | 24 | 0 |
| 1994 | 26 | 0 |
| 1995 | 21 | 0 |
| 1996 | 17 | 0 |
| 1997 | 15 | 0 |
| 1998 | 26 | 0 |
| 1999 | 14 | 0 |
| 2000 | 18 | 0 |
| 2001 | 22 | 12 |
| 2002 | 25 | 18 |
| 2003 | 24 | 38 |
| 2004 | 22 | 38 |
| 2005 | 19 | 35 |
| 2006 | 22 | 27 |
| 2007 | 17 | 33 |
| 2008 | 17 | 45 |
| 2009 | 17 | 42 |
| 2010 | 26 | 51 |
| 2011 | 29 | 55 |
| 2012 | 34 | 52 |
| 2013 | 31 | 37 |
| 2014 | 39 | 57 |
| 2015 | 55 | 40 |
| 2016 | 37 | 55 |
| 2017 | 35 | 37 |
| 2018 | 38 | 42 |
| 2019 | 42 | 44 |
| 2020 | 25 | 46 |
| 2021 | 30 | 48 |
| 2022 | 35 | 59 |
| 2023 | 26 | 56 |
| 2024 | 30 | 59 |
| 2025 | 28 | 41 |
| 2026 | 28 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heterocyclic compound and organic light emitting device comprising same1 Sep 2026US 12,727,378 B2Lt Materials Co., Ltd.
- Quinone protected forms and conjugates4 Aug 2026US 12,697,392 B2Cambridge Enterprise Limited
- Organic light emitting diode28 Jul 2026US 12,692,243 B2LG Chem.Ltd.
- Organic light emitting device14 Jul 2026US 12,679,816 B2LG Display Co., Ltd.
- Deuterated compounds for electronic applications30 Jun 2026US RE50,942 E1LG Chem.Ltd.
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Compounds and method for upregulation of p53 through induction of mdm2 degradation3 Sep 2026US 2026/0257987 A1Georgia State University Research Foundation, Inc.
- Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device27 Aug 2026US 2026/0250571 A1Semiconductor Energy Laboratory Co.Ltd.
- Organic compounds and organic light emitting diode comprising the same20 Aug 2026US 2026/0247855 A1Material Science Co., Ltd.
Most cited
By later US patents
- Phenylanthracene derivative and organic EL element146US 5,635,308 ATDK Corporation · 1997
- Azlactone-related dopants in the emissive layer of an OLED141US 6,030,715 AThe Trustees of Princeton University · 2000
- Catalyst for direct reduction of carboxylic acid, process for preparation thereof and process for preparation of alcohol compound using the catalyst105US 5,426,246 AArakawa Chemical Industries, Ltd. · 1995
- Synthesis of aryl ethers88US 5,847,166 AMassachusetts Institute of Technology · 1998
- Tricyclic-bis-enone derivatives and methods of use thereof88US 7,176,237 B2Trustees of Dartmouth College · 2007