C04B 26/24
Cellulosic waste liquor
Official title: Cellulosic waste liquor, e.g. sulfite lye
C04B26/24 (Cellulosic waste liquor) appears on 6 US grants and 9 published applications in this corpus.
Search patents in C04B- Granted patents
- 6
- Published applications
- 9
- Assignees
- 6
- Inventors
- 21
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Processes for making a super-insulating core for a vacuum insulating structure30 Dec 2025US 12,509,404 B2Whirlpool Corporation
- Processes for making a super-insulating core for a vacuum insulating structure20 Aug 2024US 12,065,386 B2Whirlpool Corporation
- Processes for making a super-insulating core for a vacuum insulating structure22 Aug 2023US 11,731,913 B2Whirlpool Corporation
- Tailings stream treatment processes20 Oct 2015US 9,162,925 B2The Chemours Company Fc, LLC
- Tailings stream treatment processes26 Aug 2014US 8,815,004 B2E. I. Du Pont de Nemours and Company
- Processes for making a super-insulating core for a vacuum insulating structure31 Oct 2024US 2024/0360044 A1Whirlpool Corporation
- Thermally Insulative Concrete Made From Biorefinery Byproducts5 Sep 2024US 2024/0294429 A1Alliance for Sustainable Energy, LLC
- Processes for making a super-insulating core for a vacuum insulating structure12 Oct 2023US 2023/0322634 A1Whirlpool Corporation
- Processes for making a super-insulating core for a vacuum insulating structure16 May 2019US 2019/0144343 A1Whirlpool Corporation
- Tailings stream treatment processes11 Sep 2014US 2014/0251183 A1E. I. Du Pont de Nemours and Company
Most cited
By later US patents