C01B 11/028
Separation
Official title: {Separation; Purification}
C01B11/028 (Separation) appears on 27 US grants and 31 published applications in this corpus.
Search patents in C01B- Granted patents
- 27
- Published applications
- 31
- Assignees
- 20
- Inventors
- 63
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 7 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 4 | 2 |
| 2016 | 2 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for generating chlorine dioxide22 Apr 2025US 12,281,009 B2Scotmas Group Limited
- Devices, systems and methods of making and using chlorine dioxide based formulation with improved stability13 Dec 2022US 11,523,608 B2Spectrum Doxyicide, LLC
- Process and apparatus for producing an aqueous solution containing chlorine dioxide18 Oct 2022US 11,472,703 B2
- Storage-stable aqueous solutions of chlorine dioxide and methods for preparing and using them5 Oct 2021US 11,135,326 B2Cdg Environmetal, LLC
- Methods for making chlorous acid and chlorine dioxide19 Jan 2021US 10,894,715 B2
- Aqueous solutions of chlorine dioxide and the process to produce these solutions15 Jun 2023US 2023/0183065 A1
- Reduced Corrosion Chlorine Dioxide for Oil & Gas Well Clenaing and Sanitization24 Feb 2022US 2022/0055896 A1Orion Water Solutions, LLC
- Method and apparatus for generating chlorine dioxide10 Jun 2021US 2021/0171347 A1Scotmas Limited
- Process and apparatus for producing an aqueous solution containing chlorine dioxide7 Jan 2021US 2021/0002135 A1
- Devices, Systems and Metods of Making and Using Chlorine Dioxide Based Formulation with Improved Stability10 Sep 2020US 2020/0281193 A1Spectrum Doxyicide, LLC
Most cited
By later US patents
- Method and device for the production of an aqueous solution containing chlorine dioxide74US 6,238,643 B1Engelhard Corporation · 2001
- Methods for making chlorous acid and chlorine dioxide15US 7,087,208 B22006
- Method and device for the production of an aqueous solution containing chlorine dioxide9US 7,160,484 B2Engelhard Corporation · 2007
- Selective removal of chlorine from solutions of chlorine dioxide and chlorine5US 4,731,169 ATenneco Canada Inc. · 1988
- Recovery of chlorine dioxide from gas streams5US 6,322,768 B1International Paper Company · 2001