A61K 31/74
Synthetic polymeric materials
A61K31/74 (Synthetic polymeric materials) appears on 2,867 US grants and 4,178 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,867
- Published applications
- 4,178
- Assignees
- 1,769
- Inventors
- 6,921
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 12 | 0 |
| 1981 | 11 | 0 |
| 1982 | 24 | 0 |
| 1983 | 19 | 0 |
| 1984 | 20 | 0 |
| 1985 | 19 | 0 |
| 1986 | 14 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 14 | 0 |
| 1990 | 17 | 0 |
| 1991 | 26 | 0 |
| 1992 | 33 | 0 |
| 1993 | 48 | 0 |
| 1994 | 34 | 0 |
| 1995 | 34 | 0 |
| 1996 | 41 | 0 |
| 1997 | 85 | 0 |
| 1998 | 52 | 0 |
| 1999 | 51 | 0 |
| 2000 | 52 | 0 |
| 2001 | 60 | 32 |
| 2002 | 63 | 107 |
| 2003 | 71 | 127 |
| 2004 | 43 | 152 |
| 2005 | 33 | 153 |
| 2006 | 52 | 152 |
| 2007 | 34 | 177 |
| 2008 | 32 | 131 |
| 2009 | 43 | 151 |
| 2010 | 69 | 202 |
| 2011 | 55 | 153 |
| 2012 | 98 | 179 |
| 2013 | 123 | 215 |
| 2014 | 155 | 216 |
| 2015 | 150 | 233 |
| 2016 | 124 | 199 |
| 2017 | 147 | 222 |
| 2018 | 150 | 196 |
| 2019 | 110 | 175 |
| 2020 | 112 | 178 |
| 2021 | 113 | 189 |
| 2022 | 92 | 136 |
| 2023 | 69 | 165 |
| 2024 | 78 | 122 |
| 2025 | 83 | 136 |
| 2026 | 47 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 31/785Polymers containing nitrogen1,284
- A61K 31/765Polymers containing oxygen1,086
- A61K 31/80Polymers containing hetero atoms not provided for in groups a61k31/755 - a61k31/795218
- A61K 31/795Polymers containing sulfur208
- A61K 31/745Polymers of hydrocarbons106
- A61K 31/755Polymers containing halogen17
Recent patents
- Compositions, methods, systems and kits for the treatment of nosebleeds6 Oct 2026US 12,751,967 B2Advanced Rx
- Surface treatment of contact lens and treatment of ocular discomfort by water soluble polymers and lipids/liposomes22 Sep 2026US 12,740,942 B2Yeda Research and Development Co. Ltd.
- Methods of treating erythropoietic protoporphyria, x-linked protoporphyria, or congenital erythropoietic porphyria with glycine transport inhibitors1 Sep 2026US 12,721,847 B2Disc Medicine, Inc.
- Treatment for down syndrome-related accelerated aging1 Sep 2026US 12,721,863 B2The Texas A&M University System
- Methods for using bioadhesive and steric interactions of copolymers with at least two moieties to minimize adverse effects mediated by external influences on cell, tissue, organ system, and organism biology11 Aug 2026US 12,702,132 B2Calm Water Therapeutics LLC
- Pharmaceutical composition for preventing or treating sepsis containing functionalized transition metal dichalcogenide24 Sep 2026US 2026/0284102 A1Industry-University Cooperation Foundation Hanyang University Erica Campus
- Amphiphilic nanoparticles to target amyloid beta-induced microglial activation10 Sep 2026US 2026/0263373 A1Rutgers, The State University of New Jersey
- Polyglutamic acid compositions and methods of using10 Sep 2026US 2026/0263508 A1Bonafide Health, LLC
- 1,4-polyisoprene dispersion system, pharmaceutical active ingredient and use thereof3 Sep 2026US 2026/0256828 A1Suzhou Haiyi Biomedical Technology Co. Ltd.
- Compositions of secretory and/or catalytic cells and methods using the same3 Sep 2026US 2026/0256846 A1Flagship Pioneering Innovations VI, LLC
Most cited
By later US patents
- Biodegradable polymer composition425US 5,324,519 AAtrix Laboratories, Inc. · 1994
- Biofunctional surface modified ocular implants, surgical instruments, medical devices, prostheses, contact lenses and the like367US 6,387,379 B1University of Florida · 2002
- Biocompatible crosslinked polymers366US 6,566,406 B1Incept, LLC · 2003
- Amphoteric compositions and polymeric forms of alpha hydroxyacids, and their therapeutic use354US 5,091,171 A1992
- Sustained release, comfort formulation for glaucoma therapy329US 4,911,920 AAlcon Laboratories, Inc. · 1990