C08B 15/00
Preparation of other cellulose derivatives or modified cellulose
Official title: Preparation of other cellulose derivatives or modified cellulose {, e.g. complexes}
C08B15/00 (Preparation of other cellulose derivatives or modified cellulose) appears on 1,155 US grants and 1,374 published applications in this corpus.
Search patents in C08B- Granted patents
- 1,155
- Published applications
- 1,374
- Assignees
- 777
- Inventors
- 3,054
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 12 | 0 |
| 1978 | 12 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 16 | 0 |
| 1983 | 14 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 12 | 0 |
| 1991 | 17 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 24 | 0 |
| 1997 | 14 | 0 |
| 1998 | 17 | 0 |
| 1999 | 25 | 0 |
| 2000 | 19 | 0 |
| 2001 | 11 | 10 |
| 2002 | 19 | 22 |
| 2003 | 29 | 31 |
| 2004 | 15 | 33 |
| 2005 | 17 | 44 |
| 2006 | 20 | 31 |
| 2007 | 8 | 13 |
| 2008 | 12 | 26 |
| 2009 | 9 | 36 |
| 2010 | 19 | 31 |
| 2011 | 17 | 34 |
| 2012 | 21 | 52 |
| 2013 | 31 | 79 |
| 2014 | 35 | 78 |
| 2015 | 47 | 80 |
| 2016 | 64 | 73 |
| 2017 | 50 | 63 |
| 2018 | 43 | 80 |
| 2019 | 54 | 91 |
| 2020 | 60 | 70 |
| 2021 | 58 | 94 |
| 2022 | 48 | 86 |
| 2023 | 49 | 61 |
| 2024 | 54 | 52 |
| 2025 | 43 | 66 |
| 2026 | 17 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hyperbranched polyglycerol polyglycidyl ether and its use as crosslinker for polysaccharides6 Oct 2026US 12,753,158 B2Biopolimeri S.R.L.
- Efficient green process for the preparation of nanocelluloses, novel modified nanocelluloses and their application29 Sep 2026US 12,747,303 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Alkali metal ion-conductive solid electrolyte, method for producing same, separator for nonaqueous electrolyte secondary batteries, method for producing said separator for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery22 Sep 2026US 12,744,244 B2Panasonic Intellectual Property Management Co., Ltd.
- Polysaccharide derivatives for detergent compositions15 Sep 2026US 12,735,511 B2
- Process for manufacturing of nanocrystalline cellulose (NCC)18 Aug 2026US 12,709,648 B2Sixring Inc.
- Fibrous cellulose composite resin1 Oct 2026US 2026/0297311 A1Daio Paper Corporation
- Nanocellulose-based hybrid materials17 Sep 2026US 2026/0274999 A1Modern Synthesis Ltd.
- Methods for transforming polysaccharides to cross-linkable polysaccharides and products thereof3 Sep 2026US 2026/0258161 A1University of Ottawa
- Modified carboxymethyl cellulose, their compositions and the uses thereof27 Aug 2026US 2026/0250428 A1ISP Investments Inc.
- Process for producing a fibrous material27 Aug 2026US 2026/0250912 A1Stora Enso OYJ
Most cited
By later US patents
- Activated matrix and method of activation327US 4,330,440 ADevelopment Finance Corporation of New Zealand · 1982
- Powdered oxidized cellulose189US 6,627,749 B1University of Iowa Research Foundation · 2003
- Modified polysaccharides having improved absorbent properties and process for the preparation thereof160US 5,550,189 AKimberly-Clark Corporation · 1996
- Crosslinked carboxy polysaccharides154US 5,676,964 AFidia S.p.A. · 1997
- Single phase gels for the prevention of adhesions152US 6,521,223 B1Genzyme Corporation · 2003