C07D 209/48
With oxygen atoms in positions 1 and 3
Official title: with oxygen atoms in positions 1 and 3, e.g. phthalimide
C07D209/48 (With oxygen atoms in positions 1 and 3) appears on 2,204 US grants and 1,087 published applications in this corpus.
Search patents in C07D- Granted patents
- 2,204
- Published applications
- 1,087
- Assignees
- 806
- Inventors
- 4,841
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 66 | 0 |
| 1977 | 63 | 0 |
| 1978 | 62 | 0 |
| 1979 | 33 | 0 |
| 1980 | 51 | 0 |
| 1981 | 57 | 0 |
| 1982 | 53 | 0 |
| 1983 | 61 | 0 |
| 1984 | 70 | 0 |
| 1985 | 76 | 0 |
| 1986 | 56 | 0 |
| 1987 | 50 | 0 |
| 1988 | 42 | 0 |
| 1989 | 45 | 0 |
| 1990 | 48 | 0 |
| 1991 | 76 | 0 |
| 1992 | 45 | 0 |
| 1993 | 51 | 0 |
| 1994 | 47 | 0 |
| 1995 | 49 | 0 |
| 1996 | 41 | 0 |
| 1997 | 48 | 0 |
| 1998 | 54 | 0 |
| 1999 | 44 | 0 |
| 2000 | 51 | 0 |
| 2001 | 51 | 8 |
| 2002 | 38 | 44 |
| 2003 | 44 | 59 |
| 2004 | 32 | 56 |
| 2005 | 26 | 66 |
| 2006 | 33 | 55 |
| 2007 | 33 | 36 |
| 2008 | 46 | 54 |
| 2009 | 35 | 44 |
| 2010 | 34 | 58 |
| 2011 | 29 | 40 |
| 2012 | 32 | 39 |
| 2013 | 39 | 37 |
| 2014 | 43 | 58 |
| 2015 | 36 | 31 |
| 2016 | 39 | 72 |
| 2017 | 42 | 44 |
| 2018 | 27 | 44 |
| 2019 | 40 | 47 |
| 2020 | 36 | 41 |
| 2021 | 29 | 36 |
| 2022 | 22 | 27 |
| 2023 | 23 | 30 |
| 2024 | 26 | 27 |
| 2025 | 15 | 18 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- N-phenylimine derivative and preparation method and use thereof15 Sep 2026US 12,735,410 B2Guizhou University
- Methods and compositions for targeting Tregs using CCR8 inhibitors28 Jul 2026US 12,692,239 B2Nanjing Immunophage Biomedical Co., Ltd.
- Multivalent terpene-based bolaamphiphiles for gene delivery21 Jul 2026US 12,686,659 B2University of San Diego
- Provisional fixation material and method for producing electronic component16 Jun 2026US 12,655,334 B2Sekisui Chemical Co., Ltd.
- Histone deacetylase inhibitors26 May 2026US 12,637,433 B2The University of Queensland
- Small molecule inhibitors of the bfrb:bfd interaction20 Aug 2026US 2026/0240813 A1Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
- Non-ionic photoacid generators, photoresist compositions, and pattern formation methods20 Aug 2026US 2026/0244097 A1
- Compounds for Increasing Frost Tolerance in Plants6 Aug 2026US 2026/0223847 A1Universiteit Gent
- Method for preparing tetrahydro-1-naphthylamine and derivatives thereof6 Aug 2026US 2026/0225994 A1Jiangsu Hengrui Pharmaceuticals Co., Ltd.
- Aromatic compound, mixture, molecular probe for hyperpolarization, metabolite, diagnostic agent, derivatization agent, naphthalene derivative, catechol derivative, and compound23 Jul 2026US 2026/0209158 A1Nagoya Denki Educational Foundation
Most cited
By later US patents
- Herbicide compositions191US 4,021,224 AStauffer Chemical Company · 1977
- Cyclic amides171US 5,698,579 ACelgene Corporation · 1997
- Cyclic amides169US 5,877,200 ACelgene Corporation · 1999
- Transfection reagents155US 7,479,573 B2Invitrogen Corporation · 2009
- Heterogenous specific binding assay employing a cycling reactant as label151US 4,318,980 AMiles Laboratories, Inc. · 1982