C07C 13/54
With three condensed rings
Official title: with three condensed rings
C07C13/54 (With three condensed rings) appears on 270 US grants and 268 published applications in this corpus.
Search patents in C07C- Granted patents
- 270
- Published applications
- 268
- Assignees
- 138
- Inventors
- 754
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 13 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 6 | 4 |
| 2003 | 2 | 6 |
| 2004 | 5 | 6 |
| 2005 | 3 | 12 |
| 2006 | 4 | 13 |
| 2007 | 4 | 16 |
| 2008 | 5 | 15 |
| 2009 | 5 | 25 |
| 2010 | 9 | 18 |
| 2011 | 19 | 11 |
| 2012 | 14 | 14 |
| 2013 | 11 | 10 |
| 2014 | 11 | 13 |
| 2015 | 8 | 10 |
| 2016 | 6 | 9 |
| 2017 | 8 | 11 |
| 2018 | 12 | 15 |
| 2019 | 14 | 16 |
| 2020 | 16 | 4 |
| 2021 | 8 | 7 |
| 2022 | 5 | 7 |
| 2023 | 5 | 6 |
| 2024 | 6 | 5 |
| 2025 | 5 | 7 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processes for preparing conjugates of the IL-2 protein1 Sep 2026US 12,723,058 B2Merck Sharp & Dohme Corp.
- Composition, resist underlayer film, method of forming film, method of producing patterned substrate, and compound6 Jan 2026US 12,517,433 B2Jsr Corporation
- Method of production of bicyclic hydrocarbons5 Aug 2025US 12,378,173 B2CleanJoule, Inc.
- Materials for organic electroluminescent devices15 Apr 2025US 12,279,521 B2Merck Patent GmbH
- Composition, resist underlayer film, method of forming resist underlayer film, method of producing patterned substrate, and compound1 Apr 2025US 12,265,333 B2Jsr Corporation
- Compound, compound production method, curable resin composition, and cured product of same17 Sep 2026US 2026/0274773 A1Nippon Kayaku Kabushiki Kaisha
- Asymmetric bis(vinylbenzyl) fluorene, thermosetting hydrocarbon resin, thermosetting cross-linked resin, and preparation methods and use thereof3 Sep 2026US 2026/0258184 A1Shandong Xingshun New Material Co Ltd.
- Polycyclic compound, light-emitting device and electronic device30 Jul 2026US 2026/0223524 A1Samsung Display Co., Ltd.
- Organic compound and organic light emitting device comprising same2 Jul 2026US 2026/0190854 A1LG Chem.Ltd.
- Bis(vinylbenzyl) fluorene and preparation method and use thereof, and bis(vinylbenzyl) fluorene hydrocarbon resin and preparation method and use thereof23 Apr 2026US 2026/0109658 A1Shandong Xingshun New Material Co Ltd.
Most cited
By later US patents
- Metallocenes and processes therefor and therewith148US 5,399,636 APhillips Petroleum Company · 1995
- Organometallic fluorenyl compounds, preparation, and use147US 5,436,305 APhillips Petroleum Company · 1995
- Vinly-substituted bridged metallocenes111US 5,565,592 APhillips Petroleum Company · 1996
- Organometallic fluorenyl compounds and use thereof in an alpha-olefin polymerization process111US 5,571,880 APhillips Petroleum Company · 1996
- Process for producing broad molecular weight polyolefin107US 5,594,078 APhillips Petroleum Company · 1997