A61K 47/6933
The polymer being obtained by reactions only involving carbon to carbon
Official title: {the polymer being obtained by reactions only involving carbon to carbon, e.g. poly(meth)acrylate, polystyrene, polyvinylpyrrolidone or polyvinylalcohol}
A61K47/6933 (The polymer being obtained by reactions only involving carbon to carbon) appears on 129 US grants and 266 published applications in this corpus.
Search patents in A61K- Granted patents
- 129
- Published applications
- 266
- Assignees
- 155
- Inventors
- 572
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 7 |
| 2006 | 0 | 0 |
| 2007 | 1 | 4 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 7 |
| 2011 | 2 | 5 |
| 2012 | 3 | 8 |
| 2013 | 3 | 15 |
| 2014 | 7 | 15 |
| 2015 | 4 | 12 |
| 2016 | 9 | 15 |
| 2017 | 7 | 23 |
| 2018 | 11 | 20 |
| 2019 | 7 | 12 |
| 2020 | 13 | 20 |
| 2021 | 10 | 18 |
| 2022 | 8 | 18 |
| 2023 | 10 | 20 |
| 2024 | 9 | 14 |
| 2025 | 9 | 13 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photolytic compounds and triplet-triplet annihilation mediated photolysis14 Apr 2026US 12,599,666 B2University of Massachusetts
- Altering inflammatory states of immune cells in vivo by modulating cellular activation states17 Mar 2026US 12,576,131 B2Fred Hutchinson Cancer Center
- Microparticles and nanoparticles having negative surface charges10 Mar 2026US 12,569,441 B2Cytodigm, Inc.
- Double stranded oligonucleotide construct comprising androgen receptor specific sequence, and composition for preventing hair loss and promoting hair growth comprising same10 Mar 2026US 12,569,561 B2Bioneer Corporation
- Reduced graphene oxide (rGO) based drug carrier systems10 Feb 2026US 12,544,454 B2
- Thrombin sensitive platelet like particles8 Oct 2026US 2026/0306660 A1North Carolina State University
- Polymer nanoparticle compositions for non-viral gene delivery1 Oct 2026US 2026/0295072 A1Battelle Memorial Institute
- Synthetic melanin nanoparticles for protection of cell-free reactions13 Aug 2026US 2026/0232838 A1Northwestern University
- Gene delivery nanoparticle, and preparation and application thereof2 Jul 2026US 2026/0183247 A1Institute of Radiation Medicine, Chinese Academy of Medical Sciences
- Altering inflammatory states of immune cells in vivo by modulating cellular activation states4 Jun 2026US 2026/0151455 A1Fred Hutchinson Cancer Center
Most cited
By later US patents
- Controlled release biodegradable nanoparticles containing insulin258US 5,641,515 AElan Corporation, plc · 1997
- Pegylated nanoparticles121US 8,628,801 B2Universidad De Navarra · 2014
- Compositions and methods for the oral delivery of active agents108US 5,620,708 AAlza Corporation · 1997
- Modified release formulations containing drug-ion exchange resin complexes103US 8,062,667 B2Tris Pharma, Inc. · 2011
- Modified release formulations containing drug-ion exchange resin complexes97US 8,202,537 B2Tris Pharma, Inc. · 2012