A61K 8/40
Containing nitrogen
Official title: containing nitrogen (quinones containing nitrogen A61K8/355)
A61K8/40 (Containing nitrogen) appears on 9,117 US grants and 11,086 published applications in this corpus.
Search patents in A61K- Granted patents
- 9,117
- Published applications
- 11,086
- Assignees
- 2,669
- Inventors
- 16,662
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 95 | 0 |
| 1977 | 88 | 0 |
| 1978 | 84 | 0 |
| 1979 | 77 | 0 |
| 1980 | 74 | 0 |
| 1981 | 78 | 0 |
| 1982 | 56 | 0 |
| 1983 | 45 | 0 |
| 1984 | 54 | 0 |
| 1985 | 55 | 0 |
| 1986 | 51 | 0 |
| 1987 | 65 | 0 |
| 1988 | 79 | 0 |
| 1989 | 126 | 0 |
| 1990 | 111 | 0 |
| 1991 | 132 | 0 |
| 1992 | 108 | 0 |
| 1993 | 130 | 0 |
| 1994 | 121 | 0 |
| 1995 | 124 | 0 |
| 1996 | 184 | 0 |
| 1997 | 268 | 0 |
| 1998 | 246 | 0 |
| 1999 | 309 | 0 |
| 2000 | 233 | 0 |
| 2001 | 238 | 81 |
| 2002 | 269 | 283 |
| 2003 | 224 | 456 |
| 2004 | 177 | 412 |
| 2005 | 118 | 378 |
| 2006 | 150 | 365 |
| 2007 | 135 | 324 |
| 2008 | 109 | 302 |
| 2009 | 100 | 297 |
| 2010 | 142 | 343 |
| 2011 | 158 | 304 |
| 2012 | 210 | 351 |
| 2013 | 233 | 371 |
| 2014 | 259 | 469 |
| 2015 | 248 | 487 |
| 2016 | 264 | 577 |
| 2017 | 300 | 610 |
| 2018 | 324 | 508 |
| 2019 | 359 | 550 |
| 2020 | 333 | 569 |
| 2021 | 381 | 599 |
| 2022 | 351 | 590 |
| 2023 | 285 | 554 |
| 2024 | 280 | 507 |
| 2025 | 306 | 442 |
| 2026 | 171 | 357 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water-in-oil cosmetic composition with maximized feeling of moisture6 Oct 2026US 12,751,903 B2Kolmar Korea Co., Ltd.
- Cosmetic and dermatological compositions6 Oct 2026US 12,751,904 B2Northeastern University
- Additive composition for improving bubble density and bubble elasticity and composition for skin cleansing6 Oct 2026US 12,751,910 B2Amorepacific Corporation
- Hydrogel patch including additive solution adjustable for its syneresis pattern and method of manufacturing the composition29 Sep 2026US 12,746,188 B2Jincostech Co., Ltd.
- Hair conditioning composition29 Sep 2026US 12,746,192 B2Conopco, Inc.
- Methods of use of oral care compositions comprising hops8 Oct 2026US 2026/0306372 A1The Procter & Gamble Company
- Cosmetic composition8 Oct 2026US 2026/0306373 A1Amorepacific Corporation
- Hair treatment agent8 Oct 2026US 2026/0306375 A1Nikko Chemicals Co., Ltd.
- Hair fiber strengthening compositions8 Oct 2026US 2026/0306376 A1
- Antimicrobial compositions containing a cationic antimicrobial and an acidic glycolopid8 Oct 2026US 2026/0306377 A1LANXESS Corporation
Most cited
By later US patents
- Preservative systems comprising cationic surfactants878US 10,130,830 B2Laboratorios Miret, S. A. · 2018
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin301US 4,217,914 AL'oreal · 1980
- Dermal penetration enhancers and drug delivery systems involving same297US 6,299,900 B1Monash University · 2001
- Oxidation colorants comprising 2-(2,5-diaminophenyl)-ethanol compounds and 2-chloro-6-methyl-3-aminophenol compounds286US 6,284,003 B1Henkel Kommanditgesellschaft auf Aktien · 2001