C07K 5/06043
Leu-amino acid
Official title: {Leu-amino acid}
C07K5/06043 (Leu-amino acid) appears on 347 US grants and 257 published applications in this corpus.
Search patents in C07K- Granted patents
- 347
- Published applications
- 257
- Assignees
- 258
- Inventors
- 1,027
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 26 | 0 |
| 2000 | 20 | 0 |
| 2001 | 15 | 2 |
| 2002 | 11 | 10 |
| 2003 | 14 | 13 |
| 2004 | 6 | 11 |
| 2005 | 6 | 11 |
| 2006 | 6 | 10 |
| 2007 | 2 | 8 |
| 2008 | 5 | 5 |
| 2009 | 7 | 7 |
| 2010 | 5 | 9 |
| 2011 | 6 | 8 |
| 2012 | 0 | 10 |
| 2013 | 9 | 15 |
| 2014 | 8 | 8 |
| 2015 | 7 | 15 |
| 2016 | 14 | 17 |
| 2017 | 10 | 10 |
| 2018 | 5 | 10 |
| 2019 | 7 | 8 |
| 2020 | 9 | 6 |
| 2021 | 4 | 13 |
| 2022 | 8 | 10 |
| 2023 | 3 | 13 |
| 2024 | 4 | 13 |
| 2025 | 3 | 6 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alpha-carbonyl alkenyl ester preparation method therefor and application thereof15 Sep 2026US 12,735,449 B2Jiangxi Normal University
- Compositions containing, methods involving, and uses of non-natural amino acid linked dolastatin derivatives12 May 2026US 12,622,944 B2Ambrx, Inc.
- Method for producing peptide compound20 Jan 2026US 12,528,834 B2Nissan Chemical Corporation
- NMDA antagonist prodrugs6 Jan 2026US 12,516,023 B2AstraZeneca AB
- Peptide acetals for stabilising enzymes8 Jul 2025US 12,351,780 B2BASF SE
- Compositions containing, methods involving, and uses of non-natural amino acid linked dolastatin derivatives17 Sep 2026US 2026/0273017 A1Ambrx, Inc.
- Method for producing o-substituted serine derivative27 Aug 2026US 2026/0250241 A1Chugai Seiyaku Kabushiki Kaisha
- Flavor-enhancing composition, manufacturing method therefor, and method for enhancing flavor of food product6 Aug 2026US 2026/0223904 A1House Foods Corporation
- Salt of dipeptide compound, preparation method thereof, and use thereof6 Aug 2026US 2026/0224526 A1Zhejiang Huahai Pharmaceutical Co., Ltd.
- Peptides comprising thioester groups, including depsipeptide thioesters, methods of making, and use thereof6 Aug 2026US 2026/0224715 A1Brandeis University
Most cited
By later US patents
- Compounds and compositions for delivering active agents184US 5,643,957 AEmisphere Technologies, Inc. · 1997
- Boronic ester and acid compounds, synthesis and uses183US 6,083,903 ALeukoSite, Inc. · 2000
- Boronic ester and acid compounds175US 5,780,454 AProScript, Inc. · 1998
- Modified amino acids for drug delivery174US 5,629,020 AEmisphere Technologies, Inc. · 1997
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992