A61K 47/32
Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
Official title: Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers {, poly(meth)acrylates, or polyvinyl pyrrolidone}
A61K47/32 (Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds) appears on 3,593 US grants and 6,519 published applications in this corpus.
Search patents in A61K- Granted patents
- 3,593
- Published applications
- 6,519
- Assignees
- 2,642
- Inventors
- 10,807
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 9 | 0 |
| 1990 | 12 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 25 | 0 |
| 1994 | 15 | 0 |
| 1995 | 19 | 0 |
| 1996 | 19 | 0 |
| 1997 | 28 | 0 |
| 1998 | 34 | 0 |
| 1999 | 35 | 0 |
| 2000 | 38 | 0 |
| 2001 | 40 | 16 |
| 2002 | 44 | 51 |
| 2003 | 46 | 127 |
| 2004 | 25 | 109 |
| 2005 | 24 | 130 |
| 2006 | 33 | 91 |
| 2007 | 32 | 98 |
| 2008 | 31 | 123 |
| 2009 | 31 | 156 |
| 2010 | 43 | 155 |
| 2011 | 63 | 170 |
| 2012 | 80 | 188 |
| 2013 | 131 | 276 |
| 2014 | 173 | 326 |
| 2015 | 185 | 371 |
| 2016 | 186 | 352 |
| 2017 | 203 | 393 |
| 2018 | 213 | 357 |
| 2019 | 216 | 426 |
| 2020 | 239 | 399 |
| 2021 | 245 | 468 |
| 2022 | 256 | 441 |
| 2023 | 195 | 372 |
| 2024 | 199 | 350 |
| 2025 | 184 | 323 |
| 2026 | 132 | 251 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Topical ocular delivery of cromakalim6 Oct 2026US 12,751,939 B2Mayo Foundtation for Medical Education and Research
- Injectable formulations in a method for treating pain6 Oct 2026US 12,751,943 B2Pelthos Therapeutics 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.
- Aqueous pharmaceutical compositions comprising SGLT-2 inhibitors29 Sep 2026US 12,746,198 B2
- Pharmaceutical formulation comprising polymeric micro-/nanofibers incorporating echinochrome A29 Sep 2026US 12,746,213 B2National and Kapodistrian University of Athens
- N-n-dimethyltryptamine (dmt) and dmt analog oral transmucosal film compositions, methods of making, and methods of use thereof8 Oct 2026US 2026/0306454 A1
- Nicotine Pouch8 Oct 2026US 2026/0306475 A1Philip Morris Products S. A.
- Process for preparing dispensable testosterone cream8 Oct 2026US 2026/0306510 A1Lawley Pharmaceuticals Pty Ltd.
- Intravaginal formulations of gardnerella endolysins8 Oct 2026US 2026/0306591 A1BioNTech SE
- Ambroxol oral dissolving film composition, preparation method therefor, and use thereof1 Oct 2026US 2026/0294800 A1Shanghai Aurora Biotechnology Co., Ltd.
Most cited
By later US patents
- Temperature-controlled active agent dispenser1,474US 4,830,855 ALandec Labs, Inc. · 1989
- Solubility parameter based drug delivery system and method for altering drug saturation concentration448US 5,656,286 ANoven Pharmaceuticals, Inc. · 1997
- Hydrogel for the therapeutic treatment of aneurysms446US 6,113,629 AMicrus Corporation · 2000
- Methods and compositions for deterring abuse of opioid containing dosage forms267US 7,201,920 B2Acura Pharmaceuticals, Inc. · 2007
- Powdery pharmaceutical composition for nasal administration248US 4,613,500 ATeijin Limited · 1986