C07C 2603/86
Containing four rings
Official title: containing four rings
C07C2603/86 (Containing four rings) appears on 173 US grants and 181 published applications in this corpus.
Search patents in C07C- Granted patents
- 173
- Published applications
- 181
- Assignees
- 124
- Inventors
- 566
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 7 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 4 |
| 2003 | 4 | 6 |
| 2004 | 5 | 8 |
| 2005 | 2 | 7 |
| 2006 | 8 | 6 |
| 2007 | 7 | 5 |
| 2008 | 1 | 5 |
| 2009 | 2 | 8 |
| 2010 | 1 | 5 |
| 2011 | 5 | 6 |
| 2012 | 5 | 6 |
| 2013 | 5 | 10 |
| 2014 | 6 | 9 |
| 2015 | 7 | 4 |
| 2016 | 8 | 10 |
| 2017 | 11 | 6 |
| 2018 | 11 | 10 |
| 2019 | 11 | 10 |
| 2020 | 4 | 7 |
| 2021 | 3 | 6 |
| 2022 | 6 | 3 |
| 2023 | 4 | 9 |
| 2024 | 3 | 12 |
| 2025 | 2 | 9 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Actinic ray-sensitive or radiation-sensitive resin composition, pattern forming method, resist film, method for manufacturing electronic device, compound, and method for producing compound17 Feb 2026US 12,554,196 B2FUJIFILM Corporation
- Processes and systems for producing desulfurized alpha olefins5 Aug 2025US 12,378,483 B2Saudi Arabian Oil Company
- Abietanes and methods of making and using the same11 Feb 2025US 12,221,419 B2The Florida State University Research Foundation, Inc.
- Compounds that can be used in an organic electronic device as active compounds24 Dec 2024US 12,178,124 B2Merck KGaA
- Precursor compound of tetracyclic hydrocarbon and preparation method thereof, and tetracyclic hydrocarbon and preparation method and use thereof10 Dec 2024US 12,162,812 B2Tianjin University
- Sulfonium salt, chemically amplified resist composition, and pattern forming process30 Jul 2026US 2026/0219569 A1Shin-Etsu Chemical Co., Ltd.
- Resist composition, resist pattern formation method, compound, and acid diffusion control agent16 Jul 2026US 2026/0202743 A1Tokyo Ohka Kogyo.Co., Ltd.
- 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
- Organic compounds, light-emitting elements, and display panels4 Jun 2026US 2026/0157109 A1Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Compound, organic electroluminescent device, and display apparatus16 Apr 2026US 2026/0107682 A1Boe Technology Group 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
- Taxols, their preparation and intermediates thereof115US 4,876,399 AResearch Corporation Technologies, Inc. · 1989
- Acid generator, sulfonic acid, sulfonic acid derivatives and radiation-sensitive resin composition83US 6,908,722 B2Jsr Corporation · 2005
- Derivatives of aryl ketones based on 9,10-dihydro-9,10-ethanoanthracene and p-dialkyl-aminoaryl aldehydes as visible sensitizers for photopolymerizable compositions62US 4,268,667 AE. I. Du Pont de Nemours and Company · 1981
- Ester compounds, polymers, resist composition and patterning process62US 6,147,249 AShin-Etsu Chemical Co., Ltd. · 2000