C07C 2603/42
Containing only six-membered rings
Official title: containing only six-membered rings
C07C2603/42 (Containing only six-membered rings) appears on 661 US grants and 769 published applications in this corpus.
Search patents in C07C- Granted patents
- 661
- Published applications
- 769
- Assignees
- 252
- Inventors
- 1,514
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 13 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 20 | 0 |
| 1996 | 18 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 11 |
| 2003 | 8 | 10 |
| 2004 | 9 | 26 |
| 2005 | 10 | 29 |
| 2006 | 11 | 32 |
| 2007 | 9 | 32 |
| 2008 | 15 | 38 |
| 2009 | 11 | 35 |
| 2010 | 23 | 49 |
| 2011 | 30 | 51 |
| 2012 | 38 | 43 |
| 2013 | 32 | 35 |
| 2014 | 22 | 43 |
| 2015 | 44 | 36 |
| 2016 | 27 | 33 |
| 2017 | 27 | 40 |
| 2018 | 32 | 28 |
| 2019 | 25 | 26 |
| 2020 | 17 | 20 |
| 2021 | 23 | 29 |
| 2022 | 14 | 27 |
| 2023 | 15 | 31 |
| 2024 | 22 | 27 |
| 2025 | 15 | 19 |
| 2026 | 22 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tetracycline derivatives for treating neurodegenerative or neuroinflammatory diseases29 Sep 2026US 12,746,247 B2Institut Du Cerveau Et De La Moelle Epiniere
- Organic electroluminescent element, compound, and electronic equipment28 Jul 2026US 12,692,435 B2Idemitsu Kosan Co., Ltd.
- Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same28 Jul 2026US 12,696,683 B2DuPont Specialty Materials Korea Ltd.
- Material for photoelectric conversion elements for image pickup, and photoelectric conversion element for image pickup14 Jul 2026US 12,685,013 B2Nippon Steel Chemical & Material Co., Ltd.
- Organic electroluminescent materials and devices16 Jun 2026US 12,655,166 B2Universal Display Corporation
- Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same8 Oct 2026US 2026/0314256 A1
- Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device27 Aug 2026US 2026/0250571 A1Semiconductor Energy Laboratory Co.Ltd.
- Method for producing homocoupling reaction product9 Jul 2026US 2026/0193241 A1National University Corporation Hokkaido University
- Compounds, compositions, methods of using, and methods for preparing compounds2 Jul 2026US 2026/0183260 A1The Institute for Stem Cell Biology and Regenerative Medicine (Instem)
- Plurality of host materials, an organic electroluminescent compound, and organic electroluminescent device comprising the same25 Jun 2026US 2026/0182242 A1
Most cited
By later US patents
- Organic electroluminecence device134US 10,435,350 B2Idemitsu Kosan Co., Ltd. · 2019
- 9- (substituted amino) -alpha-6-deoxy-5-oxy tetracycline derivatives, their preparation and their use as antibiotics89US 5,834,450 APfizer Inc. · 1998
- Chemically reactive pyrenyloxy sulfonic acid dyes88US 5,132,432 AMolecular Probes, Inc. · 1992
- 7, 9-substituted tetracycline compounds85US 6,683,068 B2Paratek Pharmaceuticals, Inc. · 2004
- 7-substituted tetracycline compounds84US 6,818,635 B2Paratek Pharmaceuticals, Inc. · 2004