C07D 233/56
With only hydrogen atoms or radicals containing only hydrogen and carbon atoms
Official title: with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
C07D233/56 (With only hydrogen atoms or radicals containing only hydrogen and carbon atoms) appears on 4,610 US grants and 2,188 published applications in this corpus.
Search patents in C07D- Granted patents
- 4,610
- Published applications
- 2,188
- Assignees
- 1,308
- Inventors
- 9,858
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 41 | 0 |
| 1977 | 29 | 0 |
| 1978 | 36 | 0 |
| 1979 | 37 | 0 |
| 1980 | 58 | 0 |
| 1981 | 55 | 0 |
| 1982 | 74 | 0 |
| 1983 | 69 | 0 |
| 1984 | 79 | 0 |
| 1985 | 125 | 0 |
| 1986 | 137 | 0 |
| 1987 | 112 | 0 |
| 1988 | 137 | 0 |
| 1989 | 171 | 0 |
| 1990 | 191 | 0 |
| 1991 | 163 | 0 |
| 1992 | 177 | 0 |
| 1993 | 151 | 0 |
| 1994 | 120 | 0 |
| 1995 | 115 | 0 |
| 1996 | 135 | 0 |
| 1997 | 150 | 0 |
| 1998 | 145 | 0 |
| 1999 | 140 | 0 |
| 2000 | 122 | 0 |
| 2001 | 121 | 26 |
| 2002 | 166 | 142 |
| 2003 | 147 | 206 |
| 2004 | 95 | 228 |
| 2005 | 112 | 121 |
| 2006 | 120 | 90 |
| 2007 | 90 | 87 |
| 2008 | 58 | 77 |
| 2009 | 63 | 88 |
| 2010 | 72 | 89 |
| 2011 | 50 | 84 |
| 2012 | 51 | 75 |
| 2013 | 51 | 62 |
| 2014 | 65 | 69 |
| 2015 | 75 | 78 |
| 2016 | 69 | 78 |
| 2017 | 56 | 68 |
| 2018 | 58 | 65 |
| 2019 | 56 | 69 |
| 2020 | 54 | 80 |
| 2021 | 52 | 61 |
| 2022 | 41 | 51 |
| 2023 | 37 | 55 |
| 2024 | 30 | 42 |
| 2025 | 33 | 57 |
| 2026 | 19 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07D 233/60With hydrocarbon radicals, substituted by oxygen or sulfur atoms, attached to ring282
- C07D 233/61With hydrocarbon radicals, substituted by nitrogen atoms not forming part of a268
- C07D 233/58With only hydrogen atoms or radicals containing only hydrogen and carbon atoms265
- C07D 233/62With triarylmethyl radicals attached to ring nitrogen atoms10
Recent patents
- Imidazole-based synthetic lipidoids for in vivo mRNA delivery into immune cells29 Sep 2026US 12,747,214 B2Trustees of Tufts College
- Ferroptosis inhibitors—diarylamine para-acetamides25 Aug 2026US 12,715,855 B2Sironax Ltd.
- Lithium secondary battery21 Jul 2026US 12,689,063 B2LG Energy Solution, Ltd.
- Substituted fluorine-containing imidazole salt compound, preparation method therefor, pharmaceutical composition thereof and use thereof7 Jul 2026US 12,673,921 B2Xiamen Vivohealths Technology Co., Ltd.
- Substituted 3-amino-4-methylbenzenesulfonamides as small molecule inhibitors of ubiquitin-specific protease 2830 Jun 2026US 12,668,571 B2Dana-Farber Cancer Institute, Inc.
- Amino acid backbone ionizable lipid, preparation method thereof and application method therefor1 Oct 2026US 2026/0294811 A1South China University of Technology
- Processes for the acylation of an aromatic compound24 Sep 2026US 2026/0285792 A1University of Kansas
- Lipid nanoparticle for targeted delivery of therapeutic payloads24 Sep 2026US 2026/0285801 A1Trustees of Tufts College
- Imidazolidinyl Vanillic Acid Ether Derivative and Use Thereof24 Sep 2026US 2026/0285815 A1
- Materials for reducing acids from liquid phases10 Sep 2026US 2026/0265434 A1The Board of Trustees of The University of Alabama
Most cited
By later US patents
- Pyrrolidine-containing monomers and oligomers675US 5,519,134 AIsis Pharmaceuticals, Inc. · 1996
- Alkynyl and azido-substituted 4-anilinoquinazolines379US 5,747,498 APfizer Inc. · 1998
- Method for deuteration of a heterocyclic ring304US 7,517,990 B2Wako Pure Chemical Industries, Ltd. · 2009
- Substituted biphenyl isoxazole sulfonamides222US 5,612,359 ABristol-Myers Squibb Company · 1997
- Nitrogen containing heteroaromatics as factor Xa inhibitors211US 6,020,357 ADuPont Pharmaceuticals Company · 2000