C07C 53/136
Containing condensed ring systems
Official title: containing condensed ring systems
C07C53/136 (Containing condensed ring systems) appears on 24 US grants and 20 published applications in this corpus.
Search patents in C07C- Granted patents
- 24
- Published applications
- 20
- Assignees
- 11
- Inventors
- 56
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Treprostinil derivatives and compositions and uses thereof2 Jun 2026US 12,643,847 B2Corsair Pharma, Inc.
- Tripartite androgen receptor eliminators, methods and uses thereof3 Jun 2025US 12,319,681 B2SPG Therapeutics, Inc.
- Treprostinil derivatives and compositions and uses thereof9 Jan 2024US 11,866,402 B2Corsair Pharma, Inc.
- Treprostinil derivatives and compositions and uses thereof31 Oct 2023US 11,802,105 B2Corsair Pharma, Inc.
- Tripartite androgen receptor eliminators, methods and uses thereof20 Sep 2022US 11,447,483 B2SPG Therapeutics, Inc.
- Treprostinil derivatives and compositions and uses thereof18 Apr 2024US 2024/0124385 A1Corsair Pharma, Inc.
- Treprostinil derivatives and compositions and uses thereof11 Apr 2024US 2024/0116847 A1Corsair Pharma, Inc.
- Cycloalkyl-containing carboxylic acids and uses thereof6 Apr 2023US 2023/0107538 A1Liminal Biosciences Limited
- Tripartite Androgen Receptor Eliminators, Methods and Uses Thereof23 Mar 2023US 2023/0092979 A1SPG Therapeutics, Inc.
- Treprostinil derivatives and compositions and uses thereof24 Feb 2022US 2022/0055980 A1Corsair Pharma, Inc.
Most cited
By later US patents
- Treprostinil derivatives and compositions and uses thereof27US 9,643,911 B2Corsair Pharma, Inc. · 2017
- Liquid crystal materials24US 4,482,472 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britian and Northern Ireland · 1984
- Treprostinil derivatives and compositions and uses thereof23US 10,246,403 B2Corsair Pharma, Inc. · 2019
- Novel 5-amino-4-hydroxyvaleryl derivatives23US 4,727,060 ACiba-Geigy Corporation · 1988
- Treprostinil derivatives and compositions and uses thereof22US 9,957,220 B2Corsair Pharma, Inc. · 2018