C12P 7/38
Cyclopentanone- or cyclopentadione-containing products
C12P7/38 (Cyclopentanone- or cyclopentadione-containing products) appears on 28 US grants and 31 published applications in this corpus.
Search patents in C12P- Granted patents
- 28
- Published applications
- 31
- Assignees
- 20
- Inventors
- 90
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 5 |
| 2012 | 4 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 4 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 2 | 8 |
| 2024 | 3 | 2 |
| 2025 | 5 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,374 B2Chirogate International Inc.
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,375 B2Chirogate International Inc.
- Production of guaiene and rotundone4 Nov 2025US 12,460,233 B2Givaudan SA
- Processes and intermediates for the preparation of carbaprostacyclin analogues30 Sep 2025US 12,428,361 B2Chirogate International Inc.
- Processes and intermediates for the preparation of carbaprostacyclin analogues11 Feb 2025US 12,221,411 B2Chirogate International Inc.
- Processes and intermediates for the preparation of carbaprostacyclin analogues2 Oct 2025US 2025/0304519 A1Chirogate International Inc.
- Engineered enzyme for preparing a hydroxylated indanone intermediate useful in the synthesis of belzutifan3 Jul 2025US 2025/0215464 A1Merck Sharp & Dohme Corp.
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom9 May 2024US 2024/0150308 A1Chirogate International Inc.
- Processes and intermediates for the preparation of carbaprostacyclin analogues25 Jan 2024US 2024/0025832 A1Chirogate International Inc.
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom28 Dec 2023US 2023/0416216 A1Chirogate International Inc.
Most cited
By later US patents
- BU-4641V, an antibacterial, antiviral and antitumor antibiotic13US 5,266,600 ABristol-Myers Squibb Company · 1993
- New cyclopentene-diols and new acyl esters thereof and process for their preparation11US 4,008,125 ATeijin Limited · 1977
- Process for the preparation of 4-hydroxycyclopent-2-en-1-one derivatives9US 4,132,726 ATeijin Limited · 1979
- Process for producing 4-cyclopentenones5US 4,511,655 ASumitomo Chemical Company, Limited · 1985
- Enzymatic process for production of modified hop products2US 10,961,550 B2Kalamazoo Holdings, Inc. · 2021