A61K 8/494
With more than one nitrogen as the only hetero atom
Official title: {with more than one nitrogen as the only hetero atom}
A61K8/494 (With more than one nitrogen as the only hetero atom) appears on 2,639 US grants and 3,312 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,639
- Published applications
- 3,312
- Assignees
- 1,011
- Inventors
- 5,529
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 12 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 14 | 0 |
| 1989 | 19 | 0 |
| 1990 | 21 | 0 |
| 1991 | 28 | 0 |
| 1992 | 24 | 0 |
| 1993 | 31 | 0 |
| 1994 | 27 | 0 |
| 1995 | 33 | 0 |
| 1996 | 63 | 0 |
| 1997 | 96 | 0 |
| 1998 | 62 | 0 |
| 1999 | 86 | 0 |
| 2000 | 75 | 0 |
| 2001 | 76 | 34 |
| 2002 | 112 | 113 |
| 2003 | 70 | 131 |
| 2004 | 68 | 145 |
| 2005 | 51 | 137 |
| 2006 | 55 | 118 |
| 2007 | 82 | 114 |
| 2008 | 43 | 112 |
| 2009 | 47 | 104 |
| 2010 | 56 | 117 |
| 2011 | 58 | 112 |
| 2012 | 64 | 111 |
| 2013 | 73 | 95 |
| 2014 | 69 | 179 |
| 2015 | 88 | 182 |
| 2016 | 115 | 185 |
| 2017 | 118 | 198 |
| 2018 | 106 | 138 |
| 2019 | 94 | 114 |
| 2020 | 87 | 145 |
| 2021 | 90 | 123 |
| 2022 | 89 | 155 |
| 2023 | 68 | 115 |
| 2024 | 58 | 128 |
| 2025 | 58 | 127 |
| 2026 | 42 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oil-in-water emulsion cosmetic22 Sep 2026US 12,740,929 B2Shiseido Company, Ltd.
- Aqueous oxidative composition comprising xanthine derivatives8 Sep 2026US 12,728,082 B2Kao Corporation
- Eye formulations8 Sep 2026US 12,728,090 B1Bausch + Lomb Ireland Limited
- Ocular composition and kits thereof1 Sep 2026US 12,721,799 B2OCuSOFT, Inc.
- Use of hyaluronic acid or salt thereof and/or trehalose in stabilizing ergothioneine, and ergothioneine composition containing hyaluronic acid or salt thereof and/or trehalose18 Aug 2026US 12,709,732 B2Bloomage Biotech (Tianjin) Co., Ltd.
- Adhesive photoprotective compounds and uses thereof8 Oct 2026US 2026/0306380 A1Skinosive
- Use of ergothioneine in promoting collagen generation1 Oct 2026US 2026/0294767 A1Beijing Bloomage Hyingc and Technology Co., Ltd
- A photoprotective composition1 Oct 2026US 2026/0294768 A1Conopco, Inc., d/b/a UNILEVER
- Complex combining a heterocyclic nitrogen biomolecule with a silicic acid, and applications1 Oct 2026US 2026/0294772 A1Exsymol
- Ortho-phthalaldehyde-functionalized ultravioletabsorbers and visible chromophores for semi-permanent topical applications1 Oct 2026US 2026/0297038 A1The Regents of the University of Colorado, a body corporate
Most cited
By later US patents
- Preservative systems comprising cationic surfactants878US 10,130,830 B2Laboratorios Miret, S. A. · 2018
- Oxidation hair dye composition containinng diaminopyrazol derivatives and new diaminopyrazol derivatives423US 5,061,289 AWella Aktiengesellschaft · 1991
- Hair dye containing aminopyrazole derivatives as well as pyrazole derivatives396US 5,380,340 AWella Aktiengesellschaft · 1995
- Oxidation hair dye compositions containing 3,4,5-triaminopyrazole derivatives and 3,4,5-triaminopyrazole derivatives374US 5,766,576 AWella Aktiengesellschaft · 1998
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992