D21D 99/00
Subject matter not provided for in other groups of this subclass
D21D99/00 (Subject matter not provided for in other groups of this subclass) appears on 21 US grants and 32 published applications in this corpus.
Search patents in D21D- Granted patents
- 21
- Published applications
- 32
- Assignees
- 27
- Inventors
- 73
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 4 |
| 2020 | 1 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 5 | 0 |
| 2024 | 1 | 8 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for fractionation of highly refined cellulose6 Oct 2026US 12,753,551 B2Stora Enso OYJ
- Method for treating textile fibers of different lengths16 Jun 2026US 12,655,583 B2Valmet Technologies Oy
- Process and apparatus for producing a molded fiber article1 Apr 2025US 12,264,440 B2Kurtz GmbH
- Refined cellulose fiber composition10 Sep 2024US 12,084,563 B2Stora Enso OYJ
- Method and apparatus for controlling a fiber fractionation system5 Dec 2023US 11,834,786 B2International Paper Company
- Systems and methods for monitoring reject streams from fiber processing units5 Feb 2026US 2026/0035859 A1Kadant Black Clawson LLC
- Pulp dissolving device and pulp dissolving method for refined cotton29 Jan 2026US 2026/0028774 A1Hubei Jinhanjiang Refined Cotton Co., Ltd.
- Cellulose-based gas barrier film20 Feb 2025US 2025/0059710 A1Stora Enso OYJ
- Highly refined pulp from fibers obtained from used beverage cartons6 Feb 2025US 2025/0043512 A1Stora Enso OYJ
- A method, use of the same, a pulp composition, and a system26 Dec 2024US 2024/0426050 A1Metsä Board Oyj
Most cited
By later US patents
- Cellulose pulps having improved softness potential49US 5,405,499 AThe Procter & Gamble Company · 1995
- Method for producing a cellulose pulp of selected fiber length and coarseness by a two-stage fractionation29US 5,582,685 AThe Procter & Gamble Company · 1996
- Decortication process13US 7,669,292 B22010
- Sheet manufacturing apparatus and method for manufacturing sheet9US 9,174,243 B2Seiko Epson Corporation · 2015
- Processes for preparing pulp and paper6US 8,926,793 B2Aikawa Iron Works Co., Ltd. · 2015