D21H 11/10
Mixtures of chemical and mechanical pulp
D21H11/10 (Mixtures of chemical and mechanical pulp) appears on 68 US grants and 74 published applications in this corpus.
Search patents in D21H- Granted patents
- 68
- Published applications
- 74
- Assignees
- 56
- Inventors
- 198
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 5 |
| 2015 | 3 | 4 |
| 2016 | 3 | 8 |
| 2017 | 4 | 5 |
| 2018 | 11 | 6 |
| 2019 | 2 | 8 |
| 2020 | 5 | 3 |
| 2021 | 3 | 8 |
| 2022 | 4 | 6 |
| 2023 | 1 | 0 |
| 2024 | 6 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiply containerboard for use in corrugated board10 Feb 2026US 12,546,064 B2Stora Enso OYJ
- Light weight corrugated packaging material25 Feb 2025US 12,234,071 B2Stora Enso OYJ
- Double-crosslinked cellulose nanofiber film with high strength and high transmittance and method for manufacturing the same14 Jan 2025US 12,195,921 B2Hyundai Motor Company
- Common preparation of lignocellulosic feedstock and a product containing cellulose but free from lignin15 Oct 2024US 12,116,729 B2Lenzing Aktiengesellschaft
- Paper products and pulps with surface enhanced pulp fibers and increased absorbency, and methods of making same1 Oct 2024US 12,104,324 B2Domtar Paper Company, LLC
- Multi-ply liner with washed nssc pulp30 Jul 2026US 2026/0218457 A1Stora Enso OYJ
- Producing nanofibers, microfibers, and lignin from lignocellulosic biomass22 Jan 2026US 2026/0022519 A1University of Washington
- Bctmp-tailored low basis weight sck paper for release liner1 Jan 2026US 2026/0002321 A1Upm-Kymmene Corporation
- Liquid packaging board9 Oct 2025US 2025/0314017 A1Billerud Aktiebolag (publ)
- Production of paper- or linerboard7 Aug 2025US 2025/0250745 A1Billerud Aktiebolag (publ)
Most cited
By later US patents
- Formable pulp compositions123US 4,562,218 AArmstrong World Industries, Inc. · 1985
- Process of manufacturing authenticatable paper products73US 6,054,021 AWestvaco Corporation · 2000
- Use of ozone treated chemithermomechanical pulp in a high bulk tissue papermaking process50US 4,120,747 AThe Procter & Gamble Company · 1978
- Paper or paperboard laminate and method to produce such a laminate39US 6,537,680 B1Stora Kopparbergs Bergslags Aktiebolag (publ) · 2003
- Soft tissue comprising non-wood fibers37US 10,145,069 B2Kimberly-Clark Worldwide, Inc. · 2018