C07C 2603/56
Ring systems containing bridged rings
C07C2603/56 (Ring systems containing bridged rings) appears on 2,109 US grants and 1,948 published applications in this corpus.
Search patents in C07C- Granted patents
- 2,109
- Published applications
- 1,948
- Assignees
- 900
- Inventors
- 5,256
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 15 | 0 |
| 1978 | 16 | 0 |
| 1979 | 14 | 0 |
| 1980 | 13 | 0 |
| 1981 | 27 | 0 |
| 1982 | 17 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 19 | 0 |
| 1991 | 35 | 0 |
| 1992 | 29 | 0 |
| 1993 | 43 | 0 |
| 1994 | 39 | 0 |
| 1995 | 44 | 0 |
| 1996 | 42 | 0 |
| 1997 | 61 | 0 |
| 1998 | 50 | 0 |
| 1999 | 29 | 0 |
| 2000 | 38 | 0 |
| 2001 | 50 | 14 |
| 2002 | 71 | 61 |
| 2003 | 42 | 82 |
| 2004 | 55 | 73 |
| 2005 | 44 | 87 |
| 2006 | 67 | 80 |
| 2007 | 51 | 53 |
| 2008 | 43 | 85 |
| 2009 | 52 | 93 |
| 2010 | 50 | 116 |
| 2011 | 62 | 100 |
| 2012 | 70 | 74 |
| 2013 | 83 | 90 |
| 2014 | 93 | 67 |
| 2015 | 74 | 80 |
| 2016 | 72 | 96 |
| 2017 | 81 | 72 |
| 2018 | 78 | 53 |
| 2019 | 66 | 89 |
| 2020 | 50 | 60 |
| 2021 | 49 | 69 |
| 2022 | 48 | 82 |
| 2023 | 45 | 76 |
| 2024 | 45 | 80 |
| 2025 | 46 | 70 |
| 2026 | 28 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nanomaterials comprising acetals6 Oct 2026US 12,753,147 B2Beam Therapeutics Inc.
- Tricyclodecane dimethanol composition, ultraviolet curable composition, polymer composition, and method for producing tricyclodecane dimethanol composition25 Aug 2026US 12,715,828 B2Mitsubishi Chemical Corporation
- Ferroptosis inhibitors—diarylamine para-acetamides25 Aug 2026US 12,715,855 B2Sironax Ltd.
- Onium salt, resist composition, and patterning process4 Aug 2026US 12,699,318 B2Shin-Etsu Chemical Co., Ltd.
- Light-emitting device and electronic apparatus including the same14 Jul 2026US 12,685,012 B2Samsung Display Co., Ltd.
- Compound, composition, method for expressing sensitizing effect and production method8 Oct 2026US 2026/0308100 A1Mitsubishi Gas Chemical Company, Inc.
- Compound, Light-Emitting Device, Light-Emitting Apparatus, Electronic Device, and Lighting Device27 Aug 2026US 2026/0250571 A1Semiconductor Energy Laboratory Co.Ltd.
- Use of an amantadine mononitrate compound in manufacture of a medicament for the prevention and treatment of hypertension20 Aug 2026US 2026/0242330 A1Guangzhou Magpie Pharmaceuticals Co., Ltd.
- Regio-controllable [2+2] benzannulation with two adjacent c(sp3)-h bonds20 Aug 2026US 2026/0242341 A1The Scripps Research Institute
- Fragrance and flavor compositions comprising adamantane derivatives13 Aug 2026US 2026/0234091 A1
Most cited
By later US patents
- Novel vinyl carbonate and vinyl carbamate contact lens material monomers474US 5,070,215 ABausch & Lomb Incorporated · 1991
- Vinyl carbonate and vinyl carbamate contact lens material monomers193US 5,610,252 ABausch & Lomb Incorporated · 1997
- Method for preparation of taxol using an oxazinone181US 5,015,744 AFlorida State University · 1991
- Compositions for oral delivery of active agents159US 5,650,386 AEmisphere Technologies, Inc. · 1997
- Modulators of ATP-binding cassette transporters157US 7,495,103 B2Vertex Pharmaceuticals Incorporated · 2009