C01B 7/035
Preparation of hydrogen chloride from chlorides
Official title: {Preparation of hydrogen chloride from chlorides}
C01B7/035 (Preparation of hydrogen chloride from chlorides) appears on 111 US grants and 101 published applications in this corpus.
Search patents in C01B- Granted patents
- 111
- Published applications
- 101
- Assignees
- 85
- Inventors
- 217
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 10 |
| 2003 | 4 | 3 |
| 2004 | 4 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 4 |
| 2010 | 2 | 3 |
| 2011 | 3 | 5 |
| 2012 | 3 | 1 |
| 2013 | 1 | 3 |
| 2014 | 3 | 7 |
| 2015 | 6 | 4 |
| 2016 | 4 | 8 |
| 2017 | 5 | 6 |
| 2018 | 10 | 7 |
| 2019 | 3 | 1 |
| 2020 | 5 | 5 |
| 2021 | 0 | 2 |
| 2022 | 5 | 6 |
| 2023 | 5 | 3 |
| 2024 | 3 | 5 |
| 2025 | 1 | 5 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Carbon dioxide sequestration with magnesium hydroxide and regeneration of magnesium hydroxide31 Dec 2024US 12,179,148 B2Carbonfree Chemicals Holdings, LLC
- Process for producing potassium sulphate10 Dec 2024US 12,162,775 B2Tessenderlo Group NV
- Methods of treating metal carbonate salts5 Mar 2024US 11,918,970 B2Energy & Environmental Research Center Foundation
- Carbon dioxide sequestration with magnesium hydroxide and regeneration of magnesium hydroxide3 Oct 2023US 11,772,046 B2Carbonfree Chemicals Holdings, LLC
- Process for manufacturing high-purity magnesium oxide from magnesium chloride13 Aug 2026US 2026/0234014 A1
- A method for preparing lithium hexafluorophosphate11 Jun 2026US 2026/0159403 A1Gujarat Fluorochemicals Limited
- Systems and methods for producing alkali hydroxides and sulfuric acid or hydrochloric acid11 Jun 2026US 2026/0159405 A1Innovator Energy, LLC
- Carbon dioxide sequestration with magnesium hydroxide and regeneration of magnesium hydroxide3 Jul 2025US 2025/0214037 A1Carbonfree Chemicals Holdings, LLC
- Method to purify li2co3 and make lif for manufacturing lipf622 May 2025US 2025/0162892 A1Mexichem Fluor Inc.
Most cited
By later US patents
- Fast quench reactor method295US 5,935,293 ALockheed Martin Idaho Technologies Company · 1999
- Fast quench reactor and method231US 5,749,937 ALockheed Idaho Technologies Company · 1998
- Thermal synthesis apparatus and process128US 6,821,500 B2Bechtel BWXT Idaho, LLC · 2004
- Bipolar membranes and method of making same111US 4,116,889 AAllied Chemical Corporation · 1978
- Integrated process to produce 2,3,3,3-tetrafluoropropene101US 8,058,486 B2Honeywell International Inc. · 2011