A61K 47/6827
Ricin a
Official title: {Ricin A}
A61K47/6827 (Ricin a) appears on 58 US grants and 38 published applications in this corpus.
Search patents in A61K- Granted patents
- 58
- Published applications
- 38
- Assignees
- 44
- Inventors
- 131
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 9 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 4 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 4 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Immunotoxins, formulations thereof and their use in medicine7 Oct 2025US 12,435,138 B2Philikos B.V.
- Non-linear multiblock copolymer-drug conjugates for the delivery of active agents30 May 2023US 11,660,349 B2The Johns Hopkins University
- Immunotoxins, formulations thereof and their use in medicine20 Sep 2022US 11,447,548 B2Xenikos B.V.
- Non-linear multiblock copolymer-drug conjugates for the delivery of active agents2 Mar 2021US 10,933,144 B2The Johns Hopkins University
- Non-linear multiblock copolymer-drug conjugates for the delivery of active agents25 Dec 2018US 10,159,743 B2The Johns Hopkins University
- Immunotoxins, formulations thereof and their use in medicine3 Sep 2026US 2026/0258129 A1Philikos B.V.
- Use of antibody-drug conjugate, and combined drug and use thereof1 May 2025US 2025/0135021 A1
- Immunotoxins, formulations thereof and their use in medicine9 May 2024US 2024/0150463 A1Philikos B.V.
- Complex of anti-il-4r antibody or antigen-binding fragment thereof and medical use thereof7 Mar 2024US 2024/0075158 A1Jiangsu Hengrui Pharmaceutical Co., Ltd.
- Non-linear multiblock copolymer-drug conjugates for the delivery of active agents16 Nov 2023US 2023/0364247 A1The Johns Hopkins University
Most cited
By later US patents
- Solubilization of proteins for pharmaceutical compositions using polymer conjugation538US 4,766,106 ACetus Corporation · 1988
- Recombinant production of immunoglobulin-like domains in prokaryotic cells477US 6,165,745 ABoard of Regents, The University of Texas System · 2000
- Interleukin-2 muteins and polymer conjugation thereof444US 5,206,344 ACetus Oncology Corporation · 1993
- Compositions for targeting the vasculature of solid tumors254US 6,051,230 ABoard of Regents, The University of Texas System · 2000
- Anti-cancer drugs for the treatment of melanomas and method for preparing thereof173US 4,414,148 ASanofi · 1983