C07C 2603/66
Containing five-membered rings
Official title: containing five-membered rings
C07C2603/66 (Containing five-membered rings) appears on 384 US grants and 269 published applications in this corpus.
Search patents in C07C- Granted patents
- 384
- Published applications
- 269
- Assignees
- 222
- Inventors
- 1,061
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 4 |
| 2002 | 14 | 8 |
| 2003 | 6 | 11 |
| 2004 | 6 | 8 |
| 2005 | 6 | 16 |
| 2006 | 15 | 10 |
| 2007 | 7 | 4 |
| 2008 | 8 | 14 |
| 2009 | 5 | 8 |
| 2010 | 8 | 17 |
| 2011 | 10 | 11 |
| 2012 | 12 | 13 |
| 2013 | 10 | 17 |
| 2014 | 13 | 10 |
| 2015 | 9 | 10 |
| 2016 | 10 | 19 |
| 2017 | 18 | 13 |
| 2018 | 20 | 6 |
| 2019 | 9 | 8 |
| 2020 | 7 | 6 |
| 2021 | 5 | 10 |
| 2022 | 6 | 8 |
| 2023 | 4 | 12 |
| 2024 | 10 | 13 |
| 2025 | 7 | 8 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tricyclodecane dimethanol composition, ultraviolet curable composition, polymer composition, and method for producing tricyclodecane dimethanol composition25 Aug 2026US 12,715,828 B2Mitsubishi Chemical Corporation
- Onium salt, resist composition, and patterning process4 Aug 2026US 12,699,318 B2Shin-Etsu Chemical Co., Ltd.
- Method for the manufacture of α,β-unsaturated ketones5 May 2026US 12,617,741 B2Symrise AG
- Process for the hydroformylation of olefins in homogeneous phase21 Apr 2026US 12,606,512 B2Oxea GmbH
- Compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device21 Apr 2026US 12,606,741 B2Semiconductor Energy Laboratory Co.Ltd.
- Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device27 Aug 2026US 2026/0250571 A1Semiconductor Energy Laboratory Co.Ltd.
- Compounds for the Treatment of Neuromuscular Disorders16 Jul 2026US 2026/0199273 A1Nmd Pharma A/S
- Gamma-aminobutyric acid derivative comprising polycyclic structure, method for preparing same, and use thereof25 Jun 2026US 2026/0174682 A1Shanghai Institute of Materia Medica, Chinese Academy of Sciences
- Bridged tricyclic gaba derivatives as calcium channel modulators, methods of making and methods of using thereof5 Feb 2026US 2026/0034098 A1Humanwell Pharmaceutical US
- Cyclic diene-containing composition, production method for aldehyde, production method for alcohol, and production method for cyclic diene-containing composition5 Feb 2026US 2026/0035328 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Ester compounds, polymers, resist compositions and patterning process132US 6,312,867 B1Shin-Etsu Chemical Co., Ltd. · 2001
- Zeolite SSZ-26122US 4,910,006 AChevron Research Company · 1990
- Acid-decomposable ester compound suitable for use in resist material109US 6,448,420 B1Shin-Etsu Chemical Co., Ltd. · 2002
- N-substituted benzamides and methods of use thereof50US 8,933,236 B2Genentech, Inc. · 2015
- Low viscosity acrylate monomers formulations containing same and uses therefor49US 6,211,320 B1The Dexter Corporation · 2001