C08B 33/04
Ethers
C08B33/04 (Ethers) appears on 27 US grants and 31 published applications in this corpus.
Search patents in C08B- Granted patents
- 27
- Published applications
- 31
- Assignees
- 20
- Inventors
- 44
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hyperbranched polyglycerol polyglycidyl ether and its use as crosslinker for polysaccharides6 Oct 2026US 12,753,158 B2Biopolimeri S.R.L.
- Amphiphilic polysaccharides, polysaccharide-based hydrogels, and methods of manufacture10 Dec 2024US 12,162,962 B2Purdue Research Foundation
- Amphiphilic polysaccharides, polysaccharide-based hydrogels, and methods of manufacture12 Jul 2022US 11,384,161 B2Virginia Tech Intellectual Properties, Inc.
- Preparation and/or formulation of proteins cross-linked with polysaccharides20 Jul 2021US 11,065,365 B2Allergan Pharmaceuticals International Limited
- Biocompatible nanoparticle and use thereof23 Mar 2021US 10,954,348 B2Kyungpook National University Industry-Academic Cooperation Foundation
- Amphiphilic polysaccharides, polysaccharide-based hydrogels, and methods of manufacture27 Mar 2025US 2025/0101139 A1Virginia Tech Intellectual Properties, Inc.
- Preparation and/or formulation of proteins cross-linked with polysaccharides28 Mar 2024US 2024/0100221 A1Allergan Pharmaceuticals International Limited
- Biocompatible carrier formulation for applications in plant protection and plant growth stimulation or in cosmetics and personal care on the basis of modified starch25 May 2023US 2023/0159667 A1Amynova Polymers GmbH
- A hyperbranched polyglycerol polyglycidyl ether and its use as crosslinker for polysaccharides1 Dec 2022US 2022/0380329 A1Biopolimeri S.R.L.
- Amphiphilic polysaccharides, polysaccharide-based hydrogels, and methods of manufacture22 Sep 2022US 2022/0298265 A1Purdue Research Foundation
Most cited
By later US patents
- Water insoluble derivatives of polyanionic polysaccharides74US 5,760,200 AGenzyme Corporation · 1998
- Water insoluble derivatives of hyaluronic acid51US 6,030,958 AGenzyme Corporation · 2000
- Water insoluble derivatives of polyanionic polysaccharides50US 5,527,893 AGenzyme Corporation · 1996
- Water insoluble derivatives of polyanionic polysaccharides46US 6,174,999 B1Genzyme Corporation · 2001
- Water insoluble derivatives of polyanionic polysaccharides41US 6,610,669 B1Genzyme Corporation · 2003