D21H 11/18
Highly hydrated, swollen or fibrillatable fibres
D21H11/18 (Highly hydrated, swollen or fibrillatable fibres) appears on 583 US grants and 897 published applications in this corpus.
Search patents in D21H- Granted patents
- 583
- Published applications
- 897
- Assignees
- 298
- Inventors
- 1,412
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 5 |
| 2011 | 1 | 6 |
| 2012 | 5 | 24 |
| 2013 | 8 | 26 |
| 2014 | 21 | 32 |
| 2015 | 18 | 62 |
| 2016 | 45 | 50 |
| 2017 | 26 | 49 |
| 2018 | 33 | 59 |
| 2019 | 37 | 75 |
| 2020 | 72 | 91 |
| 2021 | 50 | 95 |
| 2022 | 54 | 81 |
| 2023 | 46 | 65 |
| 2024 | 60 | 65 |
| 2025 | 46 | 63 |
| 2026 | 26 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a multilayer machine glazed paper comprising highly refined cellulose fibers and a multilayer machine glazed paper produced29 Sep 2026US 12,747,538 B2Stora Enso OYJ
- Polymer compositions and coatings22 Sep 2026US 12,742,090 B2The Penn State Research Foundation
- System and method for quantifying a degree of fibrillation of fibers within pulp using image processing22 Sep 2026US 12,742,292 B2Domtar Paper Company, LLC
- Gas barrier film for packaging material25 Aug 2026US 12,715,668 B2Stora Enso OYJ
- Method for producing a machine glazed paper comprising microfibrillated cellulose and a machine glazed paper25 Aug 2026US 12,716,172 B2Stora Enso OYJ
- Microbial Cellulose-Based Paper3 Sep 2026US 2026/0258605 A1Treeless AG
- A method for producing a laminate, and a laminate27 Aug 2026US 2026/0250910 A1Stora Enso OYJ
- A barrier film for a packaging material and a packaging material27 Aug 2026US 2026/0250911 A1Stora Enso OYJ
- Process for producing a fibrous material27 Aug 2026US 2026/0250912 A1Stora Enso OYJ
- A method for manufacturing a paper or paperboard based packaging laminate6 Aug 2026US 2026/0225357 A1Stora Enso OYJ
Most cited
By later US patents
- Microfibrillated cellulose207US 4,374,702 AInternational Telephone and Telegraph Corporation · 1983
- Microfibrillated cellulose and method for preparing a microfibrillated cellulose174US 5,964,983 AGeneral Sucriere · 1999
- Highly loaded fiber-based composite material146US 5,731,080 AInternational Paper Company · 1998
- Super microfibrillated cellulose, process for producing the same, and coated paper and tinted paper using the same136US 6,183,596 B2Tokushu Paper Mfg. Co., Ltd. · 2001
- High opacity paper containing expanded fiber and mineral pigment111US 4,952,278 AThe Procter & Gamble Cellulose Company · 1990