C07C 1/28
By ring closure
Official title: by ring closure
C07C1/28 (By ring closure) appears on 15 US grants and 17 published applications in this corpus.
Search patents in C07C- Granted patents
- 15
- Published applications
- 17
- Assignees
- 17
- Inventors
- 61
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Abietanes and methods of making and using the same11 Feb 2025US 12,221,419 B2The Florida State University Research Foundation, Inc.
- Method for continuously synthesizing propellane compound2 Jan 2024US 11,858,873 B2Jilin Asymchem Laboratories Co., Ltd.
- Process for making [1.1.1]propellane15 Aug 2023US 11,724,971 B2Recurium IP Holdings, LLC
- Continuous flow processes for making bicyclic compounds24 May 2022US 11,339,103 B2Recurium IP Holdings, LLC
- Method of preparing substituted bicyclo[1.1.1] pentanes24 Dec 2019US 10,513,483 B2Spirochem AG
- Abietanes and methods of making and using the same15 May 2025US 2025/0154106 A1The Florida State University Research Foundation, Inc.
- Method for producing halogenobicyclo[1.1.1]pentane22 Aug 2024US 2024/0279143 A1FUJIFILM Corporation
- Method of preparing 1-(2,2-dimethylpropyl)-cyclopropene as sprayable ethylene antagonist in plants and uses thereof4 Jul 2024US 2024/0215575 A1Kyung Sang Nam Do
- Abietanes and methods of making and using the same2 May 2024US 2024/0140912 A1The Florida State University Research Foundation, Inc.
- Method for preparing deuterated anthracene compound, reaction composition, deuterated anthracene compound and composition4 Jan 2024US 2024/0002312 A1LG Chem.Ltd.
Most cited
By later US patents
- Cyclopolyarylene compound and method of manufacturing same7US 9,481,618 B2National University Corporation Nagoya University · 2016
- Process for the preparation of substituted fluorenes4US 7,094,938 B1Fina Technology, Inc. · 2006
- Preparation of cyclobutarenes via the steam pyrolysis of aromatic derivatives3US 4,851,603 AThe Dow Chemical Company · 1989
- Preparation of alkenes and of cyclopentane and cyclohexane1US 5,396,006 ABASF SE · 1995
- Process for the preparation of substituted fluorenes1US 7,473,813 B2Fina Technology, Inc. · 2009