A61K 9/5031
Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Official title: {obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)}
A61K9/5031 (Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds) appears on 1,048 US grants and 1,650 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,048
- Published applications
- 1,650
- Assignees
- 797
- Inventors
- 3,162
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 14 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 15 | 0 |
| 1996 | 21 | 0 |
| 1997 | 19 | 0 |
| 1998 | 18 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 1 |
| 2002 | 13 | 23 |
| 2003 | 13 | 32 |
| 2004 | 11 | 38 |
| 2005 | 10 | 39 |
| 2006 | 11 | 40 |
| 2007 | 12 | 40 |
| 2008 | 11 | 41 |
| 2009 | 8 | 39 |
| 2010 | 19 | 49 |
| 2011 | 12 | 60 |
| 2012 | 30 | 44 |
| 2013 | 29 | 63 |
| 2014 | 41 | 71 |
| 2015 | 46 | 100 |
| 2016 | 51 | 101 |
| 2017 | 66 | 100 |
| 2018 | 56 | 87 |
| 2019 | 66 | 99 |
| 2020 | 69 | 101 |
| 2021 | 63 | 102 |
| 2022 | 55 | 89 |
| 2023 | 49 | 83 |
| 2024 | 38 | 81 |
| 2025 | 50 | 76 |
| 2026 | 36 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of forming an encapsulated core material, an encapsulated material, compositions uses thereof6 Oct 2026US 12,751,902 B2
- Injectable formulations in a method for treating pain6 Oct 2026US 12,751,943 B2Pelthos Therapeutics Inc.
- Cationic nanodrug, preparation method therefor, and drug-loaded implantable medical device1 Sep 2026US 12,721,934 B2Shanghai Microport Medical (Group) Co., Ltd.
- Peptides and methods of treating sepsis, atherosclerosis, thrombosis, stroke, heart attack and inflammation25 Aug 2026US 12,714,678 B2The Board of Trustees of the University of Illinois
- Rifaximin liquid formulations11 Aug 2026US 12,702,659 B2Bausch Health Ireland Limited
- Pharmaceutical composition comprising glp-1 receptor agonist, gip/glp-1 receptor agonist and/or glp-1/gip/gcg receptor triple agonist1 Oct 2026US 2026/0294819 A1Aulbio Co., Ltd.
- Systems and methods to provide therapeutic factor viii using ultrasound-mediated nucleic acid delivery1 Oct 2026US 2026/0295083 A1Seattle Children's Hospital d/b/a Seattle Children's Research Institute
- Transcriptional choreography of skin cells by liganded immodulin peptides10 Sep 2026US 2026/0265319 A1
- Non-viral delivery of small molecule therapeutics27 Aug 2026US 2026/0248731 A1Battelle Memorial Institute
- A method for preparing microparticles for drug delivery27 Aug 2026US 2026/0248735 A1Danmarks Tekniske Universitet
Most cited
By later US patents
- Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers896US 5,410,016 ABoard of Regents, The University of Texas System · 1995
- Encapsulation of biological material667US 4,352,883 ADamon Corporation · 1982
- Gels for encapsulation of biological materials587US 5,858,746 ABoard of Regents, The University of Texas System · 1999
- Microencapsulation of water soluble active polypeptides483US 4,675,189 ASyntex (U.S.A.) Inc. · 1987
- Prolonged release microcapsule and its production372US 4,652,441 ATakeda Chemical Industries, Ltd. · 1987