C07D 311/68
With nitrogen atoms directly attached in position 4
Official title: with nitrogen atoms directly attached in position 4
C07D311/68 (With nitrogen atoms directly attached in position 4) appears on 195 US grants and 117 published applications in this corpus.
Search patents in C07D- Granted patents
- 195
- Published applications
- 117
- Assignees
- 128
- Inventors
- 621
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 9 |
| 2005 | 2 | 6 |
| 2006 | 1 | 10 |
| 2007 | 2 | 9 |
| 2008 | 6 | 8 |
| 2009 | 6 | 5 |
| 2010 | 9 | 4 |
| 2011 | 3 | 1 |
| 2012 | 3 | 4 |
| 2013 | 2 | 6 |
| 2014 | 3 | 4 |
| 2015 | 5 | 4 |
| 2016 | 2 | 7 |
| 2017 | 2 | 4 |
| 2018 | 2 | 1 |
| 2019 | 1 | 4 |
| 2020 | 2 | 2 |
| 2021 | 3 | 6 |
| 2022 | 4 | 3 |
| 2023 | 1 | 6 |
| 2024 | 2 | 4 |
| 2025 | 1 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct thrombin inhibitors and methods of use thereof19 May 2026US 12,630,506 B2Baylor College of Medicine
- Inhibitors of YAP/TAZ-TEAD oncoproteins, synthesis and use thereof24 Mar 2026US 12,583,815 B2BridGene Biosciences, Inc.
- Methods and compositions for targeting Tregs using CCR8 inhibitors17 Feb 2026US 12,552,753 B2Nanjing Immunophage Biomedical Co., Ltd.
- Anthelmintic compounds7 Oct 2025US 12,435,068 B2Elanco Animal Health GmbH
- Near and shortwave infrared polymethine dyes23 Jul 2024US 12,043,619 B2Massachusetts Institute of Technology
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Bicyclic derivatives23 Jul 2026US 2026/0209228 A1Elanco Tiergesundheit AG
- Benzopyrone compounds as well as preparation method therefor and use thereof16 Jul 2026US 2026/0200885 A1Chengdu Di’ao Jiuhong Pharmaceutical Factory
- Molecular sensors, method and kit for the detection and quantification of carbon dioxide20 Mar 2025US 2025/0093315 A1ETH Zurich
- Substituted sulfonamide-chroman compounds, and pharmaceutical compositions, and methods of use thereof6 Jun 2024US 2024/0182436 A1Sumitomo Pharma America, Inc.
Most cited
By later US patents
- New hydrazine derivative and pesticidal composition comprising said derivative as an effective ingredient69US 5,378,726 ANippon Kayaku Kabushiki Kaisha · 1995
- Benzopyrans48US 4,446,113 ABeecham Group Limited · 1984
- Potassium channel inhibitors and method46US 6,150,356 ABristol-Myers Squibb Company · 2000
- Hydrazine derivative and pesticidal composition comprising said derivative as an effective ingredient41US 5,530,021 ANippon Kayaku Kabushiki Kaisha · 1996
- Potassium channel inhibitors and method32US 6,511,977 B1Bristol-Myers Squibb Company · 2003