C01C 1/164
Ammonium chloride
Official title: {Ammonium chloride}
C01C1/164 (Ammonium chloride) appears on 35 US grants and 42 published applications in this corpus.
Search patents in C01C- Granted patents
- 35
- Published applications
- 42
- Assignees
- 38
- Inventors
- 108
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 4 |
| 2015 | 1 | 5 |
| 2016 | 3 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 3 |
| 2025 | 0 | 4 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for recovering ammonia from a subsurface formation5 May 2026US 12,618,305 B2King Fahd University of Petroleum and Minerals
- Hydrogen generation system, power generation system, hydrogen generation method, and power generation method26 Mar 2024US 11,939,217 B2SE Corporation
- Methods and systems for utilizing calcium compound from calcined limestone26 Mar 2024US 11,939,227 B2Arelac, Inc.
- Methods and systems for forming vaterite from calcined limestone using electric kiln5 Jul 2022US 11,377,363 B2Arelac, Inc.
- Recovery of valuable resources from produced water and coal combustion products29 Dec 2020US 10,875,785 B2
- Methods, systems, and apparatuses for in-situ production of compounds via subsurface geothermal chemical reactions17 Sep 2026US 2026/0274694 A1Massachusetts Institute of Technology
- Systems and methods for recovering ammonia from a subsurface formation13 Aug 2026US 2026/0235015 A1King Fahd University of Petroleum and Minerals
- System and method for converting carbon dioxide in a gas stream to commercially desirable chemical products6 Aug 2026US 2026/0225031 A1Rushnu Inc
- Freeze desalination method via injection of dry ice field16 Apr 2026US 2026/0103404 A1Prd Tech, Inc.
- Carbon capture system for production of soda ash, baking soda, methanol, & formaldehyde5 Mar 2026US 2026/0061360 A1Agc Carbon Inc.
Most cited
By later US patents
- Preparation of N-hydrocarbylthiophosphoric triamides29US 5,770,771 AAlbemarle Corporation · 1998
- Minimizing evaporator scaling and recovery of salts during gasification18US 6,086,722 ATexaco Inc. · 2000
- Methods and systems for utilizing carbide lime or slag17US 9,902,652 B2Calera Corporation · 2018
- Preparation and recovery of N-hydrocarbylthiophosphoric triamides or N-hydrocarbylphosphoric triamides16US 5,883,297 AAlbemarle Corporation · 1999
- Micronutrient supplement12US 5,451,414 AHeritage Environmental Services, LLC · 1995