C01D 7/28
With selective solvents
Official title: with selective solvents
C01D7/28 (With selective solvents) appears on 3 US grants and 4 published applications in this corpus.
Search patents in C01D- Granted patents
- 3
- Published applications
- 4
- Assignees
- 5
- Inventors
- 18
- Latest grant
- 8 Jul 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives8 Jul 2014US 8,771,622 B2Solvay Chemicals, Inc.
- Process for sodium carbonate crystals from solutions2 Feb 2010US 7,655,053 B1
- Process for the manufacture of sodium carbonate crystals from minerals or solutions8 Feb 2000US 6,022,385 A
- System and process for preparing refined industrial refined sodium carbonate3 Jul 2025US 2025/0214854 A1Eve Energy Co., Ltd.
- Process to Recycle and Reuse Trona and Coal Combustion Byproducts in a Coal-Fired Power Plant15 Feb 2018US 2018/0044193 A1Ash Recovery Systems, Inc.
- Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives10 Nov 2011US 2011/0274599 A1Solvay Chemicals, Inc.
- Process for the production of hcl gas from chloride salts and for the production of carbohydrates21 Jul 2011US 2011/0178290 A1Hcl Cleantech Ltd.
Most cited
By later US patents
- Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives5US 8,771,622 B2Solvay Chemicals, Inc. · 2014
- Process for the manufacture of sodium carbonate crystals from minerals or solutions3US 6,022,385 A2000
- Process for sodium carbonate crystals from solutions2US 7,655,053 B12010