C07D 303/48
With hetero atoms or with carbon atoms having three bonds to hetero
Official title: with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals
C07D303/48 (With hetero atoms or with carbon atoms having three bonds to hetero) appears on 314 US grants and 140 published applications in this corpus.
Search patents in C07D- Granted patents
- 314
- Published applications
- 140
- Assignees
- 198
- Inventors
- 825
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 12 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 14 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 14 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 12 |
| 2003 | 9 | 10 |
| 2004 | 11 | 6 |
| 2005 | 1 | 5 |
| 2006 | 5 | 7 |
| 2007 | 5 | 6 |
| 2008 | 4 | 6 |
| 2009 | 3 | 5 |
| 2010 | 6 | 11 |
| 2011 | 4 | 8 |
| 2012 | 5 | 5 |
| 2013 | 4 | 7 |
| 2014 | 4 | 3 |
| 2015 | 5 | 8 |
| 2016 | 4 | 4 |
| 2017 | 4 | 4 |
| 2018 | 3 | 2 |
| 2019 | 1 | 5 |
| 2020 | 5 | 6 |
| 2021 | 4 | 4 |
| 2022 | 5 | 3 |
| 2023 | 2 | 5 |
| 2024 | 0 | 4 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing compound30 Sep 2025US 12,428,387 B2Kureha Corporation
- Method for preparing a tetrafluoro-1,2-epoxypropane8 Aug 2023US 11,718,597 B2Mexichem Fluor S.A. De C.V.
- Compound producing method, and compound2 May 2023US 11,639,338 B1Kureha Corporation
- Treprostinil derivatives and compositions and uses thereof9 Aug 2022US 11,407,707 B2Corsair Pharma, Inc.
- Method for preparing a tetrafluoro-1,2-epoxypropane5 Jul 2022US 11,377,432 B2Mexichem Fluor S.A. De C.V.
- Compounds and Their Use in Filtering Ultraviolet and/or High-Energy Visible Light9 Apr 2026US 2026/0098007 A1Soliome Inc.
- Compound, curable resin composition, cured product, and decomposition method19 Jun 2025US 2025/0197537 A1Threebond Co., Ltd.
- Metap2 inhibitors and uses thereof24 Apr 2025US 2025/0129033 A1Yissum Research Development Company of the Hebrew University of Jerusalem
- New VASHs inhibitors, conjugates thereof and their uses as drugs or as research tools28 Nov 2024US 2024/0391887 A1Centre National de Recherche Scientifique (CNRS)
- Novel compound for light emitting device and organic light emitting device including same15 Aug 2024US 2024/0271038 A1Dongjin Semichem Co., Ltd.
Most cited
By later US patents
- Amide derivatives176US 4,636,505 AImperial Chemical Industries PLC · 1987
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Anti-androgenic amide derivative133US 4,386,080 AImperial Chemical Industries PLC · 1983
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Chiral catalysts and catalytic epoxidation catalyzed thereby74US 5,637,739 AResearch Corporation Technologies, Inc. · 1997