B29K 2001/08
Cellulose derivatives
Official title: {Cellulose derivatives}
B29K2001/08 (Cellulose derivatives) appears on 313 US grants and 528 published applications in this corpus.
Search patents in B29K- Granted patents
- 313
- Published applications
- 528
- Assignees
- 206
- Inventors
- 924
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 17 |
| 2004 | 5 | 12 |
| 2005 | 3 | 14 |
| 2006 | 7 | 19 |
| 2007 | 5 | 23 |
| 2008 | 7 | 35 |
| 2009 | 5 | 66 |
| 2010 | 16 | 33 |
| 2011 | 20 | 20 |
| 2012 | 20 | 8 |
| 2013 | 12 | 11 |
| 2014 | 10 | 8 |
| 2015 | 7 | 30 |
| 2016 | 11 | 19 |
| 2017 | 9 | 22 |
| 2018 | 14 | 23 |
| 2019 | 20 | 28 |
| 2020 | 19 | 24 |
| 2021 | 14 | 16 |
| 2022 | 15 | 29 |
| 2023 | 16 | 18 |
| 2024 | 10 | 20 |
| 2025 | 15 | 11 |
| 2026 | 10 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable biocomposite and a process for its preparation25 Aug 2026US 12,715,166 B2Fondazione Istituto Italiano Di Tecnologia
- Implantable devices for drug delivery with reduced burst release14 Jul 2026US 12,678,400 B2ReacX Pharmaceuticals, Inc.
- Implantable devices for drug delivery with reduced burst release14 Jul 2026US 12,678,401 B2ReacX Pharmaceuticals, Inc.
- Co-extruded multi-layered cellulose-based film and a method for its manufacture and products manufactured therefrom7 Jul 2026US 12,673,480 B2
- Biodegradable resin composition and molded product12 May 2026US 12,624,193 B2Tbm Co., Ltd.
- Construction material for additive manufacturing, composition, process and method thereof1 Oct 2026US 2026/0295934 A19418-4256 Quebec Inc.
- Material for additive extrusion-based component production1 Oct 2026US 2026/0297290 A1Ceratizit Austria GmbH
- Adhesion-preventing film17 Sep 2026US 2026/0275053 A1Kureha Corporation
- Forming mandrel and liquid recovery methods for use in sheet production process3 Sep 2026US 2026/0257409 A1Eastman Chemical Company
- Blow up ratios in foamed sheet production processes27 Aug 2026US 2026/0249535 A1Eastman Chemical Company
Most cited
By later US patents
- High efficiency retroreflective material175US 4,895,428 AMinnesota Mining and Manufacturing Company · 1990
- Retroreflective material with improved angularity172US 5,138,488 AMinnesota Mining and Manufacturing Company · 1992
- Advanced engineering resin and wood fiber composite90US 5,948,524 AAndersen Corporation · 1999
- Vacuum filter device69US 5,603,900 AMillipore Investment Holdings Limited · 1997
- Method of aperturing thin sheet materials66US 5,879,494 AMinnesota Mining and Manufacturing Company · 1999