C25B 1/42
Decomposition of amalgams
C25B1/42 (Decomposition of amalgams) appears on 12 US grants and 4 published applications in this corpus.
Search patents in C25B- Granted patents
- 12
- Published applications
- 4
- Assignees
- 7
- Inventors
- 25
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 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 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Process and plant for producing hydrogen by steam reforming and high-temperature electrolysis31 Dec 2024US 12,180,073 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Device for the separation of mercury from caustic soda in chlor-alkali plants10 Jul 2012US 8,216,444 B2Industrie De Nora S.P.A.
- Amalgam decomposer for mercury cathode cells for alkali chloride electrolysis22 Nov 2011US 8,062,712 B2Industrie De Nora S.P.A.
- Method of denuding sodium mercury amalgam and producing sodium alcoholates16 Nov 1993US 5,262,133 AOccidental Chemical Corporation
- Method for preparing packing for a sodium-mercury amalgam decomposer reactor16 Jun 1981US 4,273,736 AOlin Corporation
- Process and plant for producing hydrogen by steam reforming and high-temperature electrolysis17 Mar 2022US 2022/0081290 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Electrolyteless fuel cell system18 Feb 2021US 2021/0050605 A1
- Amalgam Decomposer for Mercury Cathode Cells for Alkali Chloride Electrolysis12 Feb 2009US 2009/0038956 A1Industrie De Nora S.P.A.
- Device for the Separation of Mercury from Caustic Soda in Chlor-Alkali Plants5 Feb 2009US 2009/0032407 A1Industrie De Nora S.P.A.
Most cited
By later US patents
- Method of denuding sodium mercury amalgam and producing sodium alcoholates7US 5,262,133 AOccidental Chemical Corporation · 1993
- Decomposition of alkali metal amalgams4US 4,161,433 AOronzio de Nora Impianti Elettrochimici S.p.A. · 1979
- Apparatus for decomposing alkali metal amalgams3US 3,981,490 AVyzkumny Ustav Anorganicke Chemie · 1976
- Novel electrolytic amalgam denuder apparatus3US 4,204,937 AOronzio deNora Impianti Elettrochimici S.p.A. · 1980
- Graphite-base filling material for the decomposition of alkali metal amalgams and method of producing same2US 4,042,656 A1977