C07H 15/252
Naphthacene radicals
Official title: Naphthacene radicals, e.g. daunomycins, adriamycins
C07H15/252 (Naphthacene radicals) appears on 429 US grants and 164 published applications in this corpus.
Search patents in C07H- Granted patents
- 429
- Published applications
- 164
- Assignees
- 198
- Inventors
- 815
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 14 | 0 |
| 1978 | 16 | 0 |
| 1979 | 11 | 0 |
| 1980 | 21 | 0 |
| 1981 | 27 | 0 |
| 1982 | 20 | 0 |
| 1983 | 15 | 0 |
| 1984 | 11 | 0 |
| 1985 | 8 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 19 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 4 |
| 2002 | 8 | 11 |
| 2003 | 11 | 10 |
| 2004 | 11 | 14 |
| 2005 | 3 | 8 |
| 2006 | 9 | 10 |
| 2007 | 3 | 8 |
| 2008 | 4 | 7 |
| 2009 | 1 | 5 |
| 2010 | 5 | 3 |
| 2011 | 4 | 6 |
| 2012 | 3 | 7 |
| 2013 | 4 | 3 |
| 2014 | 7 | 10 |
| 2015 | 4 | 4 |
| 2016 | 4 | 7 |
| 2017 | 6 | 4 |
| 2018 | 5 | 7 |
| 2019 | 3 | 6 |
| 2020 | 3 | 5 |
| 2021 | 3 | 7 |
| 2022 | 3 | 2 |
| 2023 | 2 | 4 |
| 2024 | 0 | 2 |
| 2025 | 3 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemically cleavable group15 Sep 2026US 12,735,444 B2Tagworks Pharmaceuticals B.V.
- Prodrugs for sustained releasing therapeutic agents and uses thereof8 Sep 2026US 12,729,186 B2Liangjiang Medicine Co., Ltd.
- Nanoparticle composition and method of inhibiting ovarian cancer cell viability6 Jan 2026US 12,515,963 B2
- Engineered glycosyltransferases and steviol glycoside glucosylation methods28 Oct 2025US 12,454,682 B2Tate & Lyle Solutions USA LLC
- Platform drug delivery system utilizing crystal engineering and theanine dissolution8 Apr 2025US 12,268,783 B2Theaprin Pharmaceuticals Inc.
- Hybrid compounds of sclareol and doxorubicin, their synthesis and application25 Jun 2026US 2026/0174860 A1Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia
- Pnu anthracycline derivatives and methods of use thereof14 May 2026US 2026/0132164 A1Merck Sharp & Dohme Corp.
- Nanoparticle composition and method of use and manufacture19 Mar 2026US 2026/0078012 A1
- Engineered glycosyltransferases and steviol glycoside glucosylation methods15 Jan 2026US 2026/0015595 A1Tate & Lyle Solutions USA LLC
- Fluorinated benzoyl anthracycline derivatives, and preparation and applications of same8 Jan 2026US 2026/0008804 A1
Most cited
By later US patents
- Anthracycline conjugates having a novel linker and methods for their production315US 5,122,368 ABristol-Myers Squibb Company · 1992
- Cytotoxic agents comprising modified doxorubicins and daunorubicins and their therapeutic use211US 6,630,579 B2ImmunoGen, Inc. · 2003
- Branched hydrazone linkers174US 5,824,805 A1998
- Terminally-branched polymeric linkers and polymeric conjugates containing the same154US 6,153,655 AEnzon, Inc. · 2000
- Acid-labile and enzymatically divisible dye compounds for diagnosis with near infrared light and for therapy139US 6,534,041 B1Institute for Diagnostic Research GmbH of the Free University of Berlin · 2003