A01N 43/36
Five-membered rings
Official title: five-membered rings
A01N43/36 (Five-membered rings) appears on 1,344 US grants and 1,421 published applications in this corpus.
Search patents in A01N- Granted patents
- 1,344
- Published applications
- 1,421
- Assignees
- 572
- Inventors
- 3,420
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 10 | 0 |
| 1979 | 11 | 0 |
| 1980 | 19 | 0 |
| 1981 | 12 | 0 |
| 1982 | 15 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 23 | 0 |
| 1990 | 30 | 0 |
| 1991 | 30 | 0 |
| 1992 | 41 | 0 |
| 1993 | 42 | 0 |
| 1994 | 50 | 0 |
| 1995 | 40 | 0 |
| 1996 | 26 | 0 |
| 1997 | 27 | 0 |
| 1998 | 21 | 0 |
| 1999 | 17 | 0 |
| 2000 | 24 | 0 |
| 2001 | 28 | 5 |
| 2002 | 25 | 20 |
| 2003 | 19 | 25 |
| 2004 | 17 | 35 |
| 2005 | 14 | 27 |
| 2006 | 17 | 24 |
| 2007 | 8 | 33 |
| 2008 | 10 | 35 |
| 2009 | 11 | 43 |
| 2010 | 20 | 61 |
| 2011 | 22 | 42 |
| 2012 | 30 | 38 |
| 2013 | 36 | 79 |
| 2014 | 45 | 106 |
| 2015 | 68 | 101 |
| 2016 | 82 | 92 |
| 2017 | 67 | 83 |
| 2018 | 56 | 72 |
| 2019 | 52 | 52 |
| 2020 | 28 | 56 |
| 2021 | 42 | 67 |
| 2022 | 22 | 79 |
| 2023 | 38 | 61 |
| 2024 | 28 | 63 |
| 2025 | 27 | 63 |
| 2026 | 21 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ionic liquids for transdermal drug delivery6 Oct 2026US 12,752,009 B2Arizona Board of Regents
- Synergistic pesticidal compositions and methods for delivery of active ingredients29 Sep 2026US 12,745,770 B20903608 B.C. Ltd.
- N-phenylimine derivative and preparation method and use thereof15 Sep 2026US 12,735,410 B2Guizhou University
- Use of cyclodextrins as agrochemical delivery system8 Sep 2026US 12,727,599 B2Adama Makhteshim Ltd.
- Cationic polymer biocide film apparatus and method of use thereof1 Sep 2026US 12,721,341 B2
- Composition comprising phthalimide fungicide and co-fungicide1 Oct 2026US 2026/0293893 A1Adama Makhteshim Ltd.
- Fused pyrrolidine-2-one herbicidal compounds1 Oct 2026US 2026/0293894 A1Syngenta Crop Protection AG
- Plant growth regulator, plant growth acceleration method, or plant growth-regulating product1 Oct 2026US 2026/0293896 A1Kureha Corporation
- Endophyte compositions and methods for improved plant health1 Oct 2026US 2026/0293910 A1Indigo N.V.
- Method for producing solution and solution1 Oct 2026US 2026/0297641 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Antimicrobial compositions comprising a benzoic acid analog and a metal salt342US 6,294,186 B12001
- Insecticidal, acaricidal and herbicidal 1-H-3-aryl-pyrrolidine-2,4-dione derivatives104US 5,258,527 ABayer Aktiengesellschaft · 1993
- Substituted 1-H-3-aryl-pyrrolidine-2,4-dione derivatives102US 5,462,913 ABayer Aktiengesellschaft · 1995
- Substituted 1H--3-aryl-pyrrolidine-2,4-dione derivatives97US 5,622,917 ABayer Aktiengesellschaft · 1997
- Materials and methods for control of pests89US 5,358,934 AThe United States of America as represented by the Secretary of Agriculture · 1994