C07C 2603/08
Containing three- or four-membered rings
Official title: containing three- or four-membered rings
C07C2603/08 (Containing three- or four-membered rings) appears on 38 US grants and 35 published applications in this corpus.
Search patents in C07C- Granted patents
- 38
- Published applications
- 35
- Assignees
- 32
- Inventors
- 138
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 2 | 3 |
| 2019 | 5 | 4 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photoacid generator for chemically amplified photoresists4 Mar 2025US 12,242,190 B2International Business Machines Corporation
- Condensed cyclic compound, composition including the same, and organic light-emitting device including thin film formed from the composition27 Sep 2022US 11,453,628 B2Samsung Display Co., Ltd.
- Initiators for living carbocationic polymerization29 Dec 2020US 10,875,955 B2The University of Akron , Ohio
- Cyclopropanation of substituted alkenes10 Mar 2020US 10,584,080 B2International Flavors & Fragrances Inc.
- Initiators for living carbocationic polymerization12 Nov 2019US 10,472,457 B2The University of Akron
- Allosteric modulators of nicotinic acetylcholine receptors7 Nov 2024US 2024/0368109 A1Merck Sharp & Dohme Corp.
- Photoacid generator for chemically amplified photoresists29 Sep 2022US 2022/0308448 A1International Business Machines Corporation
- Condensed cyclic compound, composition including the same, and organic light-emitting device including thin film formed from the composition11 Jun 2020US 2020/0181045 A1Samsung Display Co., Ltd.
- Novel initiators for living carbocationic polymerization5 Dec 2019US 2019/0367664 A1The University of Akron
- Method of retarding an ethylene response28 Nov 2019US 2019/0359547 A1Curtin University of Technology
Most cited
By later US patents
- Substituted n-[(aminoiminomethyl or aminomethyl)phenyl]propyl amides59US 6,080,767 AAventis Pharmaceuticals Products Inc. · 2000
- Therapeutically effective 1.alpha.,25-dihydroxyvitamin D.sub.3 analogs29US 6,121,469 AThe Regents of the University of California · 2000
- Therapeutically effective 1α, 25-dihydroxyvitamin D3 analogs and methods for treatment of vitamin D diseases21US 6,329,357 B1The Regents of the University of California · 2001
- Compounds and methods based on [1.1.1]propellane19US 5,405,550 A1995
- 1-phenyl-4-benzylpiperazines: dopamine receptor subtype specific ligands17US 5,859,246 ANeurogen Corporation · 1999