C07C 45/58
In three-membered rings
Official title: in three-membered rings
C07C45/58 (In three-membered rings) appears on 244 US grants and 73 published applications in this corpus.
Search patents in C07C- Granted patents
- 244
- Published applications
- 73
- Assignees
- 126
- Inventors
- 498
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 10 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 11 | 6 |
| 2003 | 7 | 2 |
| 2004 | 2 | 5 |
| 2005 | 3 | 7 |
| 2006 | 3 | 3 |
| 2007 | 4 | 4 |
| 2008 | 3 | 4 |
| 2009 | 3 | 9 |
| 2010 | 4 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 4 |
| 2013 | 4 | 1 |
| 2014 | 2 | 1 |
| 2015 | 4 | 4 |
| 2016 | 0 | 5 |
| 2017 | 3 | 1 |
| 2018 | 3 | 0 |
| 2019 | 0 | 3 |
| 2020 | 3 | 1 |
| 2021 | 2 | 5 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cyclododecanone and preparation method therefor30 Dec 2025US 12,509,411 B2Hanwha Solutions Corporation
- Abietanes and methods of making and using the same11 Feb 2025US 12,221,419 B2The Florida State University Research Foundation, Inc.
- Isomer-enriched 3-caranlactams and polyamides based thereon with high optical purity and adjustable crystallinity for high-performance applications26 Nov 2024US 12,152,107 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Laurolactam preparation method and synthesis apparatus13 Aug 2024US 12,060,326 B2Hanwha Solutions Corporation
- Systems and methods for regioselective carbonylation of 2,2-disubstituted epoxides for the production of alpha,alpha-disubstituted beta-lactones26 Dec 2023US 11,851,416 B2Cornell University
- Abietanes and methods of making and using the same15 May 2025US 2025/0154106 A1The Florida State University Research Foundation, Inc.
- Abietanes and methods of making and using the same2 May 2024US 2024/0140912 A1The Florida State University Research Foundation, Inc.
- Catalyst system15 Feb 2024US 2024/0051907 A1Symrise AG
- Novel laurolactam preparation method and synthesis apparatus9 Mar 2023US 2023/0073615 A1Hanwha Solutions Corporation
- Cyclododecanone and preparation method therefor5 Jan 2023US 2023/0002299 A1Hanwha Soultions Corporation
Most cited
By later US patents
- Process for making 3-hydroxypropanal and 1,3-propanediol42US 5,256,827 AShell Oil Company · 1993
- Double metal cyanide catalysts and methods for making them36US 5,714,639 AARCO Chemical Technology, L. P. · 1998
- 3-Methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol compound and perfume compositions32US 4,052,341 AGivaudan SA · 1977
- Process for preparing ketones from epoxides27US 9,000,223 B2Evonik Industries AG · 2015
- Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyldehydes26US 5,210,318 AUnion Carbide Chemicals & Plastics Technology Corporation · 1993