D21H 19/34
Comprising cellulose or derivatives thereof
Official title: comprising cellulose or derivatives thereof
D21H19/34 (Comprising cellulose or derivatives thereof) appears on 154 US grants and 285 published applications in this corpus.
Search patents in D21H- Granted patents
- 154
- Published applications
- 285
- Assignees
- 163
- Inventors
- 670
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 6 |
| 2009 | 3 | 2 |
| 2010 | 2 | 5 |
| 2011 | 0 | 0 |
| 2012 | 3 | 4 |
| 2013 | 3 | 11 |
| 2014 | 2 | 8 |
| 2015 | 2 | 12 |
| 2016 | 6 | 10 |
| 2017 | 4 | 10 |
| 2018 | 11 | 8 |
| 2019 | 7 | 21 |
| 2020 | 7 | 20 |
| 2021 | 7 | 19 |
| 2022 | 16 | 27 |
| 2023 | 10 | 24 |
| 2024 | 9 | 38 |
| 2025 | 13 | 28 |
| 2026 | 14 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Barrier coating for paper and paperboard22 Sep 2026US 12,742,291 B2Stora Enso OYJ
- Aqueous dispersion, aqueous emulsion, coating agent, coated paper, multilayer structure, packing material, adhesive agent, and aqueous emulsion production method15 Sep 2026US 12,735,517 B2Kuraray Co., Ltd.
- Solvent-based oxygen barrier coating composition1 Sep 2026US 12,723,161 B2Siegwerk Druckfarben AG & Co. KGaA
- Method for producing a film comprising microfibrillated cellulose, and a film comprising microfibrillated cellulose1 Sep 2026US 12,723,352 B2Stora Enso OYJ
- Gas barrier film for packaging material25 Aug 2026US 12,715,668 B2Stora Enso OYJ
- Oil Resistant Sheet Product8 Oct 2026US 2026/0308851 A1SWM Holdco Luxembourg
- A paperboard structure comprising a barrier coating layer24 Sep 2026US 2026/0286612 A1Metsä Board Oyj
- High solids content carboxymethylcellulose solution3 Sep 2026US 2026/0258229 A1Nouryon Chemicals International B. V.
- Polymer coated paper and paperboard27 Aug 2026US 2026/0250054 A1Stora Enso OYJ
- A method for producing a laminate, and a laminate27 Aug 2026US 2026/0250910 A1Stora Enso OYJ
Most cited
By later US patents
- Surface treatment with texturized microcrystalline cellulose microfibrils for improved paper and paper board49US 7,037,405 B2International Paper Company · 2006
- Cellulosic web with a contaminant barrier or trap45US 5,776,842 ACellresin Technologies, LLC · 1998
- Preparation of recording materials for inkjet printers40US 5,672,392 ABASF SE · 1997
- Thermal transfer printing method and printing paper therefor38US 4,505,975 ASony Corporation · 1985
- Barrier material comprising a thermoplastic and a compatible cyclodextrin derivative37US 6,218,013 B1Cellresin Technologies, LLC · 2001