C07C 405/005
Analogues or derivatives having the five membered ring replaced by other rings
Official title: {Analogues or derivatives having the five membered ring replaced by other rings}
C07C405/005 (Analogues or derivatives having the five membered ring replaced by other rings) appears on 210 US grants and 26 published applications in this corpus.
Search patents in C07C- Granted patents
- 210
- Published applications
- 26
- Assignees
- 51
- Inventors
- 240
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 11 | 0 |
| 1981 | 14 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 10 | 0 |
| 1987 | 14 | 0 |
| 1988 | 15 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 4 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for synthesis of the tricyclic prostaglandin D2 metabolite methyl ester11 Nov 2025US 12,466,791 B2Purdue Research Foundation
- Treprostinil prodrugs24 Dec 2024US 12,173,021 B2United Therapeutics Corporation
- Process to prepare treprostinil, the active ingredient in Remodulin®15 Aug 2023US 11,723,887 B2United Therapeutics Corporation
- Treprostinil prodrugs25 Apr 2023US 11,634,443 B2United Therapeutics Corporation
- Preservative-free treprostinil devices3 May 2022US 11,318,148 B2Steadymed.Ltd
- Methods for synthesis of the tricyclic prostaglandin d2 metabolite methyl ester5 Mar 2026US 2026/0062381 A1Purdue Research Foundation
- Treprostinil prodrugs15 May 2025US 2025/0154181 A1United Therapeutics Corporation
- Treprostinil prodrugs15 Feb 2024US 2024/0051979 A1United Therapeutics Corporation
- Process to prepare treprostinil, the active ingredient in remodulin®26 Oct 2023US 2023/0338313 A1United Therapeutics Corporation
- Methods for synthesis of the tricyclic prostaglandin d2 metabolite methyl ester8 Jun 2023US 2023/0174477 A1Purdue Research Foundation
Most cited
By later US patents
- Composition and process140US 4,306,075 AThe Upjohn Company · 1981
- Inter-phenylene CBA compounds95US 4,306,076 AThe Upjohn Company · 1981
- Interphenylene carbacyclin derivatives86US 4,668,814 AThe Upjohn Company · 1987
- Interphenylene carbacyclin derivatives77US 4,683,330 AThe Upjohn Company · 1987
- Process to prepare treprostinil, the active ingredient in remodulin70US 8,242,305 B2United Therapeutics Corporation · 2012