C07C 2603/68
Dicyclopentadienes
Official title: Dicyclopentadienes; Hydrogenated dicyclopentadienes
C07C2603/68 (Dicyclopentadienes) appears on 248 US grants and 181 published applications in this corpus.
Search patents in C07C- Granted patents
- 248
- Published applications
- 181
- Assignees
- 142
- Inventors
- 654
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 3 |
| 2002 | 9 | 7 |
| 2003 | 5 | 10 |
| 2004 | 5 | 5 |
| 2005 | 5 | 13 |
| 2006 | 12 | 6 |
| 2007 | 6 | 3 |
| 2008 | 5 | 7 |
| 2009 | 3 | 6 |
| 2010 | 2 | 8 |
| 2011 | 7 | 9 |
| 2012 | 7 | 8 |
| 2013 | 6 | 10 |
| 2014 | 8 | 4 |
| 2015 | 6 | 8 |
| 2016 | 6 | 13 |
| 2017 | 11 | 13 |
| 2018 | 16 | 4 |
| 2019 | 6 | 7 |
| 2020 | 4 | 2 |
| 2021 | 3 | 6 |
| 2022 | 4 | 4 |
| 2023 | 1 | 8 |
| 2024 | 8 | 8 |
| 2025 | 4 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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.
- Process for the preparation of polycyclic aliphatic dialdehydes23 Dec 2025US 12,503,418 B2Oxea GmbH
- Bi- and tricyclic compounds for use as aroma chemicals25 Feb 2025US 12,234,206 B2BASF SE
- 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
- 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
- Onium salt, chemically amplified resist composition, and pattern forming process4 Dec 2025US 2025/0370336 A1Shin-Etsu Chemical Co., Ltd.
- Monomer, polymer, chemically amplified resist composition, and pattern forming process27 Nov 2025US 2025/0362602 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Ester compounds, polymers, resist compositions and patterning process132US 6,312,867 B1Shin-Etsu Chemical Co., Ltd. · 2001
- 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
- Hydroxy group containing diesters of acrylic acid37US 4,002,669 AKulzer GmbH · 1977