A61K 47/18
Amines
Official title: Amines; Amides; Ureas; Quaternary ammonium compounds; Amino acids; Oligopeptides having up to five amino acids
A61K47/18 (Amines) appears on 4,099 US grants and 7,520 published applications in this corpus.
Search patents in A61K- Granted patents
- 4,099
- Published applications
- 7,520
- Assignees
- 2,874
- Inventors
- 12,500
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 14 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 18 | 0 |
| 1988 | 10 | 0 |
| 1989 | 29 | 0 |
| 1990 | 31 | 0 |
| 1991 | 32 | 0 |
| 1992 | 35 | 0 |
| 1993 | 24 | 0 |
| 1994 | 21 | 0 |
| 1995 | 22 | 0 |
| 1996 | 50 | 0 |
| 1997 | 72 | 0 |
| 1998 | 52 | 0 |
| 1999 | 66 | 0 |
| 2000 | 49 | 0 |
| 2001 | 59 | 28 |
| 2002 | 58 | 91 |
| 2003 | 50 | 124 |
| 2004 | 43 | 124 |
| 2005 | 37 | 127 |
| 2006 | 33 | 85 |
| 2007 | 44 | 111 |
| 2008 | 30 | 139 |
| 2009 | 29 | 144 |
| 2010 | 63 | 150 |
| 2011 | 69 | 153 |
| 2012 | 77 | 162 |
| 2013 | 100 | 204 |
| 2014 | 138 | 237 |
| 2015 | 131 | 276 |
| 2016 | 190 | 293 |
| 2017 | 191 | 365 |
| 2018 | 188 | 383 |
| 2019 | 210 | 501 |
| 2020 | 261 | 483 |
| 2021 | 247 | 560 |
| 2022 | 269 | 541 |
| 2023 | 241 | 589 |
| 2024 | 263 | 613 |
| 2025 | 313 | 563 |
| 2026 | 170 | 474 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Topical anaesthetic composition having improved vasoconstrictor stability6 Oct 2026US 12,751,946 B2Animal Ethics Pty Ltd
- Protease composition6 Oct 2026US 12,751,997 B2Anatara Lifesciences Limited
- Composition containing buffer6 Oct 2026US 12,752,008 B2Perseus Proteomics Inc.
- Amorphous substances, crystals, pharmaceutical compositions, preparation methods and uses of thiohydantoin compound or pharmaceutically acceptable salt thereof6 Oct 2026US 12,753,173 B2Suzhou Kintor Pharmaceuticals, Inc.
- Long-acting low-toxicity novel cationic lipid compounds and composition thereof29 Sep 2026US 12,746,208 B2Beijing Youcare Kechuang Pharmaceutical Technology Co., Ltd.
- Cosmetic composition comprising an endolysin and an organic filler8 Oct 2026US 2026/0306385 A1L'oreal
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306431 A1Geneiii Biotech Company Ltd.
- N-n-dimethyltryptamine (dmt) and dmt analog oral transmucosal film compositions, methods of making, and methods of use thereof8 Oct 2026US 2026/0306454 A1
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306457 A1Geneiii Biotech Company Ltd.
- Pyridylaminoacetic acid compound and polyoxyethylene castor oil-containing pharmaceutical composition8 Oct 2026US 2026/0306472 A1Santen Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Cationic lipids for intracellular delivery of biologically active molecules586US 5,459,127 AVical Incorporated · 1995
- Cationic lipids for intracellular delivery of biologically active molecules545US 5,264,618 AVical Incorporated · 1993
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Engineered nucleic acids encoding a modified erythropoietin and their expression312US 8,710,200 B2Moderna Therapeutics, Inc. · 2014
- Drug delivery system utilizing thermosetting gels307US 4,478,822 AMerck & Co., Inc. · 1984