A61K 31/353
3,4-dihydrobenzopyrans
Official title: 3,4-Dihydrobenzopyrans, e.g. chroman, catechin
A61K31/353 (3,4-dihydrobenzopyrans) appears on 3,388 US grants and 6,458 published applications in this corpus.
Search patents in A61K- Granted patents
- 3,388
- Published applications
- 6,458
- Assignees
- 2,655
- Inventors
- 10,295
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 18 | 0 |
| 1997 | 45 | 0 |
| 1998 | 35 | 0 |
| 1999 | 41 | 0 |
| 2000 | 34 | 0 |
| 2001 | 44 | 19 |
| 2002 | 57 | 108 |
| 2003 | 76 | 155 |
| 2004 | 40 | 215 |
| 2005 | 41 | 206 |
| 2006 | 50 | 277 |
| 2007 | 40 | 230 |
| 2008 | 49 | 185 |
| 2009 | 43 | 171 |
| 2010 | 81 | 210 |
| 2011 | 84 | 231 |
| 2012 | 97 | 204 |
| 2013 | 138 | 246 |
| 2014 | 174 | 321 |
| 2015 | 177 | 316 |
| 2016 | 190 | 334 |
| 2017 | 194 | 311 |
| 2018 | 195 | 312 |
| 2019 | 209 | 329 |
| 2020 | 203 | 337 |
| 2021 | 201 | 400 |
| 2022 | 193 | 363 |
| 2023 | 147 | 325 |
| 2024 | 166 | 269 |
| 2025 | 156 | 207 |
| 2026 | 93 | 177 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of inhibiting dopamine transporter activity29 Sep 2026US 12,746,217 B2SpecNova LLC
- Vitamin E and cancer therapeutic compositions and methods22 Sep 2026US 12,741,008 B2RS Oncology, LLC
- Nutritional formulas comprising medium chain fatty acids or esters thereof and methods related thereto15 Sep 2026US 12,734,145 B2Children's Healthcare of Atlanta, Inc.
- Bisphosphonate-linked compounds15 Sep 2026US 12,734,241 B2Oregon Health & Science University
- Fibrous composite material8 Sep 2026US 12,728,101 B2The Electrospinning Company Ltd
- Interface structure for a bioelectrode8 Oct 2026US 2026/0306000 A1Teknologian tutkimuskeskus VTT Oy
- Suspension containing heterocyclidene acetamide derivative8 Oct 2026US 2026/0306401 A1Mochida Pharmaceutical Co., Ltd.
- Nutritional compositions, supplements, and fortifiers8 Oct 2026US 2026/0306432 A1Societe des Produits Nestle S. A.
- Composition for removing and inhibiting senescent cells, and uses thereof8 Oct 2026US 2026/0306460 A1Lifeceutix Co., Ltd.
- Vitamin e and cancer therapeutic compositions and methods8 Oct 2026US 2026/0306581 A1RS Oncology, LLC
Most cited
By later US patents
- Emulsion compositions for polyfunctional active ingredients342US 6,720,001 B2Lipocine Inc. · 2004
- Methods of diagnosing and treating small intestinal bacterial overgrowth (SIBO) and SIBO-related conditions198US 7,048,906 B2Cedars-Sinai Medical Center · 2006
- Sunscreen-wound healing compositions and methods for preparing and using same180US 5,674,912 AWarner-Lambert Company · 1997
- Systems and processes for spray drying hydrophobic drugs with hydrophilic excipients174US 6,077,543 AInhale Therapeutic Systems · 2000
- Hydrophilic, non-aqueous pharmaceutical carriers and compositions and uses170US 8,486,374 B2Foamix Ltd. · 2013