C01B 7/012
Preparation of hydrogen chloride from the elements
Official title: {Preparation of hydrogen chloride from the elements}
C01B7/012 (Preparation of hydrogen chloride from the elements) appears on 32 US grants and 39 published applications in this corpus.
Search patents in C01B- Granted patents
- 32
- Published applications
- 39
- Assignees
- 33
- Inventors
- 109
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 6 |
| 2024 | 3 | 6 |
| 2025 | 5 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen chloride loop fuel reaction28 Oct 2025US 12,454,456 B2
- Flow battery system22 Apr 2025US 12,283,726 B2Venture Lending & Leasing Viii, Inc.
- Chlor-alkali and carbon monoxide electrolyzer integration1 Apr 2025US 12,264,402 B2Dioxycle
- Systems and methods for removal and sequestration of acidity from surface seawater18 Feb 2025US 12,227,861 B2Lone Gull Holdings, Ltd.
- Chlor-alkali and carbon monoxide electrolyzer integration28 Jan 2025US 12,209,322 B2Dioxycle
- Spent caustic treatment using an electrochemical route21 May 2026US 2026/0138089 A1Uop LLC
- Method for preparing metallic magnesium and industrial silicon by decomposing serpentine with hydrochloric acid12 Mar 2026US 2026/0071343 A1Toli County Zhongda Magnesium Industry Co., Ltd
- Flow battery system7 Aug 2025US 2025/0253364 A1VENTURE LENDING & LEASING VIII, INC., aka WTI
- Supercritical Water Oxidation to Treat Biomass and Organic Waste to Produce Chemical Products and Sodium Formate31 Jul 2025US 2025/0243145 A1NuScale Power, LLC
- Systems and methods for removal and sequestration of acidity from surface seawater29 May 2025US 2025/0171915 A1Lone Gull Holdings, Ltd.
Most cited
By later US patents
- Process for initiating a reaction for the manufacture of synthetic hydrochloric acid25US 4,595,579 AVicarb · 1986
- Methods of producing hydrochloric acid from hydrogen gas and chlorine gas19US 8,551,299 B2Deeya Energy, Inc. · 2013
- Gas-gas phase contactor16US 4,910,008 ARhone-Poulenc Chimie de Base · 1990
- Method for a burner and a corresponding device8US 7,666,367 B1Sgl Carbon SE · 2010
- Alkali-based removal of chemical moieties from gas streams with chemical co-generation7US 11,229,879 B28 Rivers Capital, LLC · 2022