D21H 11/08
Mechanical or thermomechanical pulp
D21H11/08 (Mechanical or thermomechanical pulp) appears on 139 US grants and 165 published applications in this corpus.
Search patents in D21H- Granted patents
- 139
- Published applications
- 165
- Assignees
- 92
- Inventors
- 339
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 5 | 2 |
| 2004 | 3 | 7 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 5 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 5 |
| 2011 | 3 | 4 |
| 2012 | 4 | 7 |
| 2013 | 5 | 8 |
| 2014 | 5 | 5 |
| 2015 | 9 | 11 |
| 2016 | 6 | 12 |
| 2017 | 4 | 13 |
| 2018 | 15 | 8 |
| 2019 | 7 | 8 |
| 2020 | 8 | 13 |
| 2021 | 6 | 11 |
| 2022 | 8 | 5 |
| 2023 | 7 | 7 |
| 2024 | 8 | 9 |
| 2025 | 3 | 7 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a film comprising microfibrillated cellulose, and a film comprising microfibrillated cellulose1 Sep 2026US 12,723,352 B2Stora Enso OYJ
- Assymetric paperboard25 Aug 2026US 12,716,176 B2Billerud Aktiebolag (publ)
- Absorbent paper products having unique physical strength properties28 Apr 2026US 12,612,738 B2Mercer International Inc.
- Paper pulp, a method for producing paper pulp, and paper pulp products31 Mar 2026US 12,590,411 B2ShenZhen YUTO Packaging Technology Co., Ltd.
- Absorbent paper products having unique physical strength properties11 Nov 2025US 12,467,206 B2Mercer International Inc.
- Carbon material precursor and method for producing carbon material using same30 Jul 2026US 2026/0218454 A1Nippon Paper Industries Co., Ltd.
- Production of hydrophobic paper9 Jul 2026US 2026/0193844 A1Sca Forest Products AB
- Production of paper- or linerboard7 Aug 2025US 2025/0250745 A1Billerud Aktiebolag (publ)
- Desilication and manufacture of low carbon intensity chemi-mechanical non-wood pulp and co-products26 Jun 2025US 2025/0207328 A1Red Leaf Sustainable IP Corp.
- Assymetric Paperboard13 Mar 2025US 2025/0084592 A1Billerud Aktiebolag (publ)
Most cited
By later US patents
- Processing biomass176US 7,932,065 B2Xyleco, Inc. · 2011
- Cloth-like base sheet and method for making the same144US 6,315,864 B2Kimberly-Clark Worldwide, Inc. · 2001
- Wet-resilient webs and disposable articles made therewith135US 6,436,234 B1Kimberly-Clark Worldwide, Inc. · 2002
- Production of paper and paper board121US 4,913,775 AAllied Colloids Limited · 1990
- Process of manufacturing authenticatable paper products73US 6,054,021 AWestvaco Corporation · 2000