C01B 15/013
Separation
Official title: Separation; Purification; Concentration
C01B15/013 (Separation) appears on 124 US grants and 89 published applications in this corpus.
Search patents in C01B- Granted patents
- 124
- Published applications
- 89
- Assignees
- 71
- Inventors
- 311
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 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 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 1 | 8 |
| 2003 | 6 | 7 |
| 2004 | 4 | 5 |
| 2005 | 6 | 1 |
| 2006 | 3 | 0 |
| 2007 | 2 | 2 |
| 2008 | 2 | 6 |
| 2009 | 1 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 3 | 4 |
| 2014 | 4 | 5 |
| 2015 | 5 | 5 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 3 | 4 |
| 2020 | 4 | 3 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 0 | 5 |
| 2024 | 0 | 4 |
| 2025 | 2 | 8 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrolytic devices and methods for dry hydrogen peroxide production26 May 2026US 12,636,389 B2Synexis LLC
- System and method for sterilization of objects12 May 2026US 12,622,989 B2Pharmalab India Pvt. Ltd.
- Method of removing hydrogen peroxide from sulfuric acid5 May 2026US 12,617,681 B2Jingbao Chemical Co., Ltd.
- Photothermal catalytic method for production of hydrogen peroxide without sacrificial reagents on basis of porphyrin-based supermolecule3 Mar 2026US 12,565,426 B2Jiangnan University
- Method for purifying hydrogen peroxide25 Mar 2025US 12,258,268 B2Oci Company Ltd.
- Regenerating method of electrodeionization system and method for purifying hydrogen peroxide by using same23 Jul 2026US 2026/0208116 A1
- Method for purifying hydrogen peroxide23 Jul 2026US 2026/0209040 A1
- Process for the Purification of Hydrogen Peroxide25 Dec 2025US 2025/0388466 A1Solvay SA
- Method for purifying a composition comprising hydrogen peroxide20 Nov 2025US 2025/0352950 A1Arkema France
- Calcination apparatus and processes with improved co2 capture9 Oct 2025US 2025/0313508 A1The University of Adelaide
Most cited
By later US patents
- Integrated process for the preparation of olefin oxides44US 6,888,013 B2Polimeri Europa S. p. A. · 2005
- Space disinfection26US 8,444,919 B2Saban Ventures Pty Limited · 2013
- Method for purifying impure aqueous hydrogen peroxide solution24US 4,999,179 AMitsubishi Gas Chemical Company, Inc. · 1991
- Process for the production of hydrogen peroxide24US 7,048,905 B2ENI S. p. A. · 2006
- Space Disinfection22US 8,974,737 B2Saban Ventures Pty Limited · 2015