C01D 3/26
Preventing the absorption of moisture or caking of the crystals
C01D3/26 (Preventing the absorption of moisture or caking of the crystals) appears on 24 US grants and 17 published applications in this corpus.
Search patents in C01D- Granted patents
- 24
- Published applications
- 17
- Assignees
- 15
- Inventors
- 45
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 3 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing sulphur-containing potash granules18 Aug 2026US 12,709,546 B2K+S Aktiengesellschaft
- Method for producing potassium chloride granular material14 Nov 2023US 11,814,297 B2K+S Aktiengesellschaft
- Method for producing potassium chloride granular materials14 Nov 2023US 11,814,298 B2K+S Aktiengesellschaft
- Process for producing potassium chloride granulates24 Oct 2023US 11,795,060 B2K+S Aktiengesellschaft
- Methods and compositions to prevent caking of sodium chloride and prevent transition metal stains18 Aug 2020US 10,745,286 B2Compass Minerals America Inc.
- Method for producing sulphur-containing potash granules22 Dec 2022US 2022/0402766 A1K+S Aktiengesellschaft
- Method for reducing the caking tendency of potassium chloride11 Mar 2021US 2021/0070621 A1K+S Aktiengesellschaft
- Method for producing potassium chloride granular materials16 Jan 2020US 2020/0017362 A1K+S Aktiengesellschaft
- Process for producing potassium chloride granulates16 Jan 2020US 2020/0017363 A1K+S Aktiengesellschaft
- Method for producing potassium chloride granular materials16 Jan 2020US 2020/0017417 A1K+S Aktiengesellschaft
Most cited
By later US patents
- Process for preparing a coated-particle salt substitute composition14US 4,734,290 AMallinckrodt Inc. · 1988
- Anticaking of sodium chloride and potassium chloride12US 4,192,756 ATexas Brine Corporation · 1980
- Process for preventing caking and obtaining flowability of alkali chlorides and salt mixtures thereof8US 4,107,274 ADuetsche Gold- und Silber-Scheideanstalt vormals Roessler · 1978
- Method for treating potash with anticaking agent7US 4,536,418 APPG Industries Canada Ltd. · 1985
- Non-caking sodium chloride crystals, a process to make them, and their use in an electrolysis process5US 6,800,263 B1Akzo Nobel N. V. · 2004