C25B 1/29
Persulfates
C25B1/29 (Persulfates) appears on 46 US grants and 48 published applications in this corpus.
Search patents in C25B- Granted patents
- 46
- Published applications
- 48
- Assignees
- 33
- Inventors
- 124
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 5 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 5 | 1 |
| 2013 | 1 | 5 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 5 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oral care implement with conductive protrusions20 Aug 2024US 12,064,618 B2Colgate-Palmolive Company
- Water dispersible graphene nanosheet26 Dec 2023US 11,851,330 B2Mexplorer. Co., Ltd.
- Method and apparatus for recovery of noble metals, including recovery of noble metals from plated and/or filled scrap7 Dec 2021US 11,193,214 B2Greene Lyon Group, Inc.
- Product container with electrochemistry device31 Aug 2021US 11,105,005 B2Colgate-Palmolive Company
- Extreme durability composite diamond electrodes2 Feb 2021US 10,907,264 B2Advanced Diamond Technologies, Inc.
- Substrate processing apparatus and substrate processing method6 Aug 2026US 2026/0225926 A1SCREEN Holdings Co., Ltd.
- Substrate treatment device and substrate treatment method23 Jul 2026US 2026/0215200 A1SCREEN Holdings Co., Ltd.
- Method for producing gaseous dihydrogen and ammonium sulfate from an aqueous liquid effluent, such as the liquid fraction of a pig manure or human urine5 Dec 2024US 2024/0400431 A1
- Startup method for electrolytic sulfuric acid solution manufacturing system16 Mar 2023US 2023/0079765 A1Kurita Water Industries Ltd.
- Water dispersible graphene nanosheet30 Jun 2022US 2022/0204347 A1Mexplorer. Co., Ltd.
Most cited
By later US patents
- Apparatus for the continuous on-site chemical reprocessing of ultrapure liquids48US 5,354,428 AAthens Corporation · 1994
- Method for making ultrapure sulfuric acid37US 5,164,049 AAthens Corporation · 1992
- Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids34US 4,828,660 AAthens Corporation · 1989
- Method for simultaneous production of alkali metal or ammonium peroxodisulphate salts and alkali metal hydroxide32US 5,445,717 AKemira Oy · 1995
- Electrochemical production of peroxopyrosulphuric acid using diamond coated electrodes32US 6,855,242 B1Csme · 2005