C07C 57/50
Containing condensed ring systems
Official title: containing condensed ring systems
C07C57/50 (Containing condensed ring systems) appears on 119 US grants and 59 published applications in this corpus.
Search patents in C07C- Granted patents
- 119
- Published applications
- 59
- Assignees
- 68
- Inventors
- 207
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 3 |
| 2002 | 3 | 4 |
| 2003 | 10 | 5 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 1 | 0 |
| 2012 | 3 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 4 |
| 2015 | 4 | 2 |
| 2016 | 2 | 4 |
| 2017 | 2 | 3 |
| 2018 | 6 | 4 |
| 2019 | 2 | 7 |
| 2020 | 4 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carboxylic acid or carboxylic acid ester compound having fused-ring structure, method for producing the same, and use of compound16 Jun 2026US 12,655,112 B2FUJIFILM Corporation
- Polyaryl carboxylic fullerene derivative and use thereof in anti-coronavirus infection10 Mar 2026US 12,570,597 B2Xiamen Funano New Material Technology Co., Ltd.
- RXR agonist salt form, polymorphs thereof, and uses thereof10 Jun 2025US 12,325,685 B2Io Therapeutics, Inc.
- RXR agonist salt form, polymorphs thereof, and uses thereof5 Mar 2024US 11,919,848 B2Io Therapeutics, Inc.
- Fullerene compound, lubricant for magnetic recording medium, and magnetic recording medium1 Mar 2022US 11,261,395 B2Showa Denko K. K.
- Indene compounds, pharmaceutical compositions thereof, and their therapeutic applications2 Jul 2026US 2026/0184663 A1NucMito Pharmaceuticals Co. Ltd.
- Rxr agonist salt form, polymorphs thereof, and uses thereof20 Jun 2024US 2024/0199522 A1Io Therapeutics, Inc.
- Polyaryl carboxylic fullerene derivative and use thereof in anti-coronavirus infection2 Nov 2023US 2023/0348354 A1Xiamen Funano New Material Technology Co., Ltd.
- Rxr agonist salt form, polymorphs thereof, and uses thereof21 Sep 2023US 2023/0295069 A1Io Therapeutics, Inc.
- Carboxylic acid or carboxylic acid ester compound having fused-ring structure, method for producing the same, and use of compound24 Aug 2023US 2023/0265058 A1FUJIFILM Corporation
Most cited
By later US patents
- Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities164US 5,877,207 AAllergan Sales, Inc. · 1999
- Method of identifying negative hormone and/or antagonist activities151US 5,776,699 AAllergan, Inc. · 1998
- 2,4-pentadienoic acid derivatives having retinoid-like biological activity87US 5,675,033 AAllergan, Inc. · 1997
- Diarylacetylenes and their use in treating acne83US 4,806,558 ABASF SE · 1989
- 2,4-pentadienoic acid derivatives having retinoid-like biological activity79US 5,663,367 AAllergan, Inc. · 1997