C08B 37/0021
Dextran, i.e. -d-glucan
Official title: {Dextran, i.e. (alpha-1,4)-D-glucan; Derivatives thereof, e.g. Sephadex, i.e. crosslinked dextran}
C08B37/0021 (Dextran, i.e. -d-glucan) appears on 354 US grants and 398 published applications in this corpus.
Search patents in C08B- Granted patents
- 354
- Published applications
- 398
- Assignees
- 283
- Inventors
- 885
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 8 | 13 |
| 2003 | 12 | 16 |
| 2004 | 11 | 15 |
| 2005 | 8 | 12 |
| 2006 | 12 | 9 |
| 2007 | 3 | 3 |
| 2008 | 4 | 14 |
| 2009 | 2 | 12 |
| 2010 | 5 | 17 |
| 2011 | 4 | 14 |
| 2012 | 7 | 20 |
| 2013 | 15 | 29 |
| 2014 | 14 | 17 |
| 2015 | 13 | 17 |
| 2016 | 15 | 17 |
| 2017 | 13 | 20 |
| 2018 | 13 | 22 |
| 2019 | 16 | 16 |
| 2020 | 22 | 17 |
| 2021 | 13 | 15 |
| 2022 | 11 | 17 |
| 2023 | 8 | 21 |
| 2024 | 14 | 17 |
| 2025 | 9 | 15 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polysaccharide derivatives for detergent compositions15 Sep 2026US 12,735,511 B2
- Hair oil formulation4 Aug 2026US 12,697,294 B2Dow Global Technologies LLC
- Dextran-alpha-glucan graft copolymers and derivatives thereof12 May 2026US 12,624,126 B2Nutrition & Biosciences USA 4, Inc.
- Synthesis of uniformly defined molecular weight mannosylated dextrans and derivatives thereof24 Mar 2026US 12,583,945 B2Navidea Biopharmaceuticals, Inc.
- Method of making and using a skin moisturizing formulation17 Mar 2026US 12,576,021 B2Dow Silicones Corporation
- Esterification of alpha-glucan comprising alpha-1,6 glycosidic linkages23 Jul 2026US 2026/0209394 A1Nutrition & Biosciences USA 4, Inc.
- Conjugates of polysaccharides and hydrophobic compounds as emulsion stabilizers16 Jul 2026US 2026/0201076 A1BASF SE
- Taxane-lipid-polysaccharide dual conjugates, preparation methods thereof and uses thereof9 Jul 2026US 2026/0191816 A1Santolecan Pharmaceuticals LLC
- Synthesis of uniformly defined molecular weight mannosylated dextrans and derivatives thereof9 Jul 2026US 2026/0193382 A1Cardinal Health 414, LLC
- Brine-tolerant compositions comprising fatty acid or fatty ester reaction products of saccharide polymers21 May 2026US 2026/0139184 A1Integrity Bio-Chemicals, LLC
Most cited
By later US patents
- Amino-derivatized phosphite and phosphate linking agents, phosphoramidite precursors, and useful conjugates thereof308US 4,757,141 AApplied Biosystems, LLC · 1988
- Diester crosslinked polyglucan hydrogels and reticulated sponges thereof286US 4,002,173 AInternational Paper Company · 1977
- Reactive derivatives of sulforhodamine 101 with enhanced hydrolytic stability137US 5,798,276 AMolecular Probes, Inc. · 1998
- Ferromagnetic, diamagnetic or paramagnetic particles useful in the diagnosis and treatment of disease93US 4,735,796 A1988
- Polysaccharide conjugates of biomolecules91US 6,489,309 B1Dade Behring Marburg GmbH · 2002