A61K 31/352
Condensed with carbocyclic rings
Official title: condensed with carbocyclic rings, e.g. methantheline {(cannabinoids A61K31/658)}
A61K31/352 (Condensed with carbocyclic rings) appears on 4,496 US grants and 8,883 published applications in this corpus.
Search patents in A61K- Granted patents
- 4,496
- Published applications
- 8,883
- Assignees
- 3,611
- Inventors
- 15,034
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 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 | 12 | 0 |
| 1996 | 25 | 0 |
| 1997 | 56 | 0 |
| 1998 | 54 | 0 |
| 1999 | 64 | 0 |
| 2000 | 61 | 0 |
| 2001 | 70 | 33 |
| 2002 | 80 | 138 |
| 2003 | 108 | 195 |
| 2004 | 47 | 261 |
| 2005 | 54 | 238 |
| 2006 | 66 | 318 |
| 2007 | 49 | 263 |
| 2008 | 61 | 254 |
| 2009 | 55 | 243 |
| 2010 | 98 | 292 |
| 2011 | 108 | 317 |
| 2012 | 130 | 279 |
| 2013 | 178 | 328 |
| 2014 | 217 | 407 |
| 2015 | 229 | 410 |
| 2016 | 234 | 429 |
| 2017 | 252 | 413 |
| 2018 | 261 | 422 |
| 2019 | 286 | 448 |
| 2020 | 265 | 441 |
| 2021 | 254 | 500 |
| 2022 | 258 | 513 |
| 2023 | 193 | 531 |
| 2024 | 230 | 500 |
| 2025 | 221 | 388 |
| 2026 | 148 | 322 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nanostructure or microstructure and method for producing same6 Oct 2026US 12,751,923 B2The University of Tokyo
- Small molecule inhibitors of viral replication6 Oct 2026US 12,751,963 B2The Trustees of Princeton University
- Compound and composition for preventing or treating neuroinflammatory brain diseases comprising same as active ingredient6 Oct 2026US 12,753,186 B2Korea Institute of Ocean Science & Technology
- Method of inhibiting dopamine transporter activity29 Sep 2026US 12,746,217 B2SpecNova LLC
- Method for improving bioavailability of NAD+ derivatives22 Sep 2026US 12,740,966 B2Hoboomlife Bio-Technology (Shenzhen) Co., 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.
- Halogenated Xanthene-Containing Topical Anti-Gram-Positive Bacterial Ophthalmic Composition and Method8 Oct 2026US 2026/0306444 A1Provectus Pharmatech, Inc.
- Composition for removing and inhibiting senescent cells, and uses thereof8 Oct 2026US 2026/0306460 A1Lifeceutix Co., Ltd.
Most cited
By later US patents
- Solid carriers for improved delivery of active ingredients in pharmaceutical compositions930US 6,248,363 B1Lipocine Inc. · 2001
- Solid carriers for improved delivery of active ingredients in pharmaceutical compositions684US 6,923,988 B2Lipocine Inc. · 2005
- Solid carriers for improved delivery of hydrophobic active ingredients in pharmaceutical compositions616US 6,569,463 B2Lipocine Inc. · 2003
- 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