A61K 47/58
Obtained by reactions only involving carbon-to-carbon unsaturated bonds
Official title: obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. poly[meth]acrylate, polyacrylamide, polystyrene, polyvinylpyrrolidone, polyvinylalcohol or polystyrene sulfonic acid resin
A61K47/58 (Obtained by reactions only involving carbon-to-carbon unsaturated bonds) appears on 1,088 US grants and 1,387 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,088
- Published applications
- 1,387
- Assignees
- 684
- Inventors
- 2,665
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 12 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 20 | 0 |
| 1992 | 20 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 13 | 0 |
| 1997 | 27 | 0 |
| 1998 | 33 | 0 |
| 1999 | 16 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 7 |
| 2002 | 15 | 21 |
| 2003 | 10 | 32 |
| 2004 | 8 | 27 |
| 2005 | 9 | 36 |
| 2006 | 17 | 39 |
| 2007 | 6 | 30 |
| 2008 | 12 | 42 |
| 2009 | 4 | 35 |
| 2010 | 21 | 45 |
| 2011 | 14 | 59 |
| 2012 | 28 | 47 |
| 2013 | 46 | 77 |
| 2014 | 54 | 78 |
| 2015 | 48 | 76 |
| 2016 | 48 | 83 |
| 2017 | 57 | 95 |
| 2018 | 63 | 69 |
| 2019 | 56 | 68 |
| 2020 | 54 | 81 |
| 2021 | 45 | 79 |
| 2022 | 49 | 61 |
| 2023 | 39 | 57 |
| 2024 | 33 | 41 |
| 2025 | 31 | 48 |
| 2026 | 21 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compositions comprising HDAC inhibitors and retinoids22 Sep 2026US 12,740,953 B2The Regents of the University of California
- Composition25 Aug 2026US 12,715,946 B2Adeka Corporation
- Cleavable polymer drug conjugates7 Jul 2026US 12,673,104 B2Rs Arastirma Egitim Danismanlik Ilac Sanayi Ticaret Anonim Sirketi
- Mucoadhesive microgel compositions and methods for using the same2 Jun 2026US 12,642,839 B2Centre National De La Recherche Scientifique
- Long-lasting hydrogel for use against drug-resistant bacteria and preparation method and use thereof2 Jun 2026US 12,642,858 B2Zhejiang University
- Polymer-based therapeutics for inductive browning of fat8 Oct 2026US 2026/0306643 A1Purdue Research Foundation
- Peptide conjugated particles24 Sep 2026US 2026/0284162 A1Northwestern University
- Cleavable polymer drug conjugates24 Sep 2026US 2026/0284196 A1Rs Arastirma Egitim Danismanlik Ilac Sanayi Ticaret Anonim Sirketi
- Cleavable polymer drug conjugates24 Sep 2026US 2026/0284197 A1Rs Arstirma Egitim Danismanlik Ilac Sanayi Ticaret Anonim Sirketi
- Polypeptide adjuvants and uses thereof24 Sep 2026US 2026/0284209 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- Use of combinations gelling polysaccharides and finely divided drug carrier substrates in topical ophthalmic compositions334US 5,212,162 AAlcon Laboratories, Inc. · 1993
- Sustained release, comfort formulation for glaucoma therapy329US 4,911,920 AAlcon Laboratories, Inc. · 1990
- Uncharged polynucleotide-binding polymers328US 5,142,047 AAnti-Gene Development Group · 1992
- Polyurethane-based polymeric materials and biomedical articles and pharmaceutical compositions utilizing the same309US 5,100,992 ABiomedical Polymers International, Ltd. · 1992
- Liquid delivery compositions268US 5,780,044 AAtrix Laboratories, Inc. · 1998