D21C 3/024
With nh3 or h2o
Official title: {with NH3 or H2O}
D21C3/024 (With nh3 or h2o) appears on 7 US grants and 18 published applications in this corpus.
Search patents in D21C- Granted patents
- 7
- Published applications
- 18
- Assignees
- 10
- Inventors
- 44
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 4 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing and using fibrillated biodegradable microfibers7 Jul 2026US 12,674,278 B2
- Method for continuously cooking grass raw materials and device21 Aug 2018US 10,053,816 B2Shandong Tralin Paper Co., Ltd.
- Organic solvent pretreatment of biomass to enhance enzymatic saccharification11 Jun 2013US 8,460,898 B2E. I. Du Pont de Nemours and Company
- Biomass pretreatment21 May 2013US 8,445,236 B2Alliance for Sustainable Energy, LLC
- Organic solvent pretreatment of biomass to enhance enzymatic saccharification14 Aug 2012US 8,241,873 B2E. I. Du Pont de Nemours and Company
- Maple HT-CTMP30 Jul 2026US 2026/0218449 A1Billerud Aktiebolag (publ)
- Process for producing and using fibrillated biodegradable microfibers28 Mar 2024US 2024/0102238 A1
- Method for Continuously Cooking Grass Raw Materials and Device21 Sep 2017US 2017/0268168 A1Shandong Tralin Paper Co., Ltd.
- Method for producing nanofibrillated cellulose29 Dec 2016US 2016/0376749 A1Korea Institute of Industrial Technology
- Treatment11 Feb 2016US 2016/0040354 A1
Most cited
By later US patents
- Apparatus, process and pressure reactor for the treatment of solids with pressurized liquid gases43US 6,416,621 B1Rhodia Acetow GmbH · 2002
- Organic solvent pretreatment of biomass to enhance enzymatic saccharification25US 8,241,873 B2E. I. Du Pont de Nemours and Company · 2012
- Organic solvent pretreatment of biomass to enhance enzymatic saccharification15US 8,460,898 B2E. I. Du Pont de Nemours and Company · 2013
- Biomass pretreatment11US 8,445,236 B2Alliance for Sustainable Energy, LLC · 2013
- Ammonia-ketone pulping process5US 3,951,734 AWeyerhaeuser Company · 1976