C07D 263/44
Two oxygen atoms
C07D263/44 (Two oxygen atoms) appears on 230 US grants and 112 published applications in this corpus.
Search patents in C07D- Granted patents
- 230
- Published applications
- 112
- Assignees
- 113
- Inventors
- 493
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 1 |
| 2002 | 20 | 12 |
| 2003 | 12 | 10 |
| 2004 | 4 | 9 |
| 2005 | 6 | 11 |
| 2006 | 2 | 7 |
| 2007 | 4 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 4 |
| 2010 | 4 | 3 |
| 2011 | 1 | 5 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 4 |
| 2015 | 3 | 4 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 4 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 4 | 6 |
| 2022 | 1 | 3 |
| 2023 | 1 | 9 |
| 2024 | 5 | 2 |
| 2025 | 4 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aniline acid anhydride, preparation method therefor, and polyamino acid-grafted chain21 Apr 2026US 12,606,530 B2Soochow University
- FABP4/5 inhibitors, methods of use and methods of making10 Mar 2026US 12,570,603 B2Celloram Inc.
- Method for preparation of n-carboxyanhydrides7 Oct 2025US 12,435,048 B2Lonza Ltd.
- P62 ligand compound, and composition for preventing, ameliorating or treating proteinopathies comprising the same30 Sep 2025US 12,427,346 B2Autotac Inc.
- Synthesis of nirogacestat11 Mar 2025US 12,247,012 B2Springworks Therapeutics, Inc.
- Method for producing carbonyl halide28 May 2026US 2026/0145949 A1Mitsubishi Gas Chemical Company, Inc.
- Fabp4/5 inhibitors, methods of use and methods of making14 May 2026US 2026/0132106 A1Celloram Inc.
- Synthesis of nirogacestat27 Nov 2025US 2025/0361212 A1Springworks Therapeutics, Inc.
- Hydantoin containing deoxyuridine triphosphatase inhibitors12 Jun 2025US 2025/0188039 A1CV6 Therapeutics (NI) Limited
- Camptothecin derivative intermediate, and preparation method therefor and use thereof20 Feb 2025US 2025/0059143 A1Shanghai Best-Link Bioscience
Most cited
By later US patents
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992
- Array of oligonucleotides on a solid substrate1,585US 5,445,934 AAffymax Technologies N.V. · 1995
- Arrays of materials attached to a substrate1,410US 5,744,305 AAffymetrix, Inc. · 1998
- Very large scale immobilized polymer synthesis967US 5,424,186 AAffymax Technologies N.V. · 1995
- Method of detecting nucleic acids962US 5,800,992 A1998