D21C 9/123
With cl2o
Official title: {with Cl2O}
D21C9/123 (With cl2o) appears on 18 US grants and 25 published applications in this corpus.
Search patents in D21C- Granted patents
- 18
- Published applications
- 25
- Assignees
- 11
- Inventors
- 37
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 3 | 4 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 4 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Method for producing cellulose pulp, cellulose pulp and use thereof, paper20 May 2025US 12,305,332 B2Suzano S.A.
- Method for producing cellulose pulp, cellulose pulp and use thereof, paper15 Feb 2022US 11,248,344 B2Suzano S.A.
- Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same4 May 2021US 10,995,453 B2GP Cellulose GmbH
- Methods of pulp fiber treatment5 Jan 2021US 10,883,224 B2Clean Chemistry, Inc.
- Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same24 Mar 2020US 10,597,819 B2GP Cellulose GmbH
- Recycling of mixtures of textiles comprising cellulose8 May 2025US 2025/0146218 A1Circulose AB
- Method for producing cellulose pulp, cellulose pulp and use thereof, paper28 Apr 2022US 2022/0127789 A1Suzano S.A.
- Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same11 Jun 2020US 2020/0181839 A1GP Cellulose GmbH
- Method for producing cellulose pulp, cellulose pulp and use thereof, paper28 Feb 2019US 2019/0062999 A1Suzano S.A.
- Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same20 Sep 2018US 2018/0266051 A1GP Cellulose GmbH
Most cited
By later US patents
- Product and processes from an integrated forest biorefinery10US 8,317,975 B2The Research Foundation of State University of New York · 2012
- Methods of pulp fiber treatment6US 10,883,224 B2Clean Chemistry, Inc. · 2021
- Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same5US 10,000,890 B2GP Cellulose GmbH · 2018
- Product and processes from an integrated forest biorefinery5US 8,668,806 B2The Research Foundation of State University of New York · 2014
- Product and processes from an integrated forest biorefinery5US 8,940,133 B2The Research Foundation for The State University of New York · 2015