C01F 11/44
Concentrating
Official title: Concentrating; Crystallisating; Dehydrating; Preventing the absorption of moisture or caking
C01F11/44 (Concentrating) appears on 11 US grants and 8 published applications in this corpus.
Search patents in C01F- Granted patents
- 11
- Published applications
- 8
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and crystallizing tank and arrangement thereof for crystallizing calcium nitrate from the nitro-phosphate process17 Dec 2024US 12,168,611 B2Yara International Asa
- Method for producing anhydrous calcium nitrate powder6 Mar 2018US 9,908,787 B2Yara International Asa
- Nitrates3 Sep 2013US 8,524,114 B2Alastair James Forsyth
- Apparatus for producing nitrate granules12 Mar 2013US 8,394,153 B2Omnia Fertilizer Limited
- Apparatus for producing nitrate granules1 Jun 2010US 7,727,485 B2Omnia Fertilizer Limited
- Method, product and system for cogenerating ferric phosphate through nitrophosphate fertilizer device19 Dec 2024US 2024/0417258 A1Guizhou Batian Ecotypic Engineering Co., Ltd.
- Method and crystallizing tank and arrangement thereof for crystallizing calcium nitrate from the nitro-phosphate process7 Jul 2022US 2022/0212944 A1Yara International Asa
- Solid particulate calcium nitrate composition comprising a solid particulate silicate as an anti-caking agent18 Oct 2018US 2018/0297897 A1Yara International Asa
- Method for producing anhydrous calcium nitrate powder6 Apr 2017US 2017/0096347 A1Yara International Asa
- Method for producing nitrate granules13 May 2010US 2010/0117247 A1Omnia Fertilizer Limited
Most cited
By later US patents
- Purification of barium values14US 4,834,952 ARhone-Poulenc Chimie · 1989
- Process for crystallizing calcium nitrate4US 4,008,309 AInstitutul de Cercetari Chimice - Icechim · 1977
- Process for crystallization of mineral salts4US 5,716,419 APPG Industries, Inc. · 1998
- Method for manufacturing a calcium nitrate melt and product thereof3US 6,610,267 B1Norsk Hydro ASA · 2003
- Process for separating off calcium nitrate tetrahydrate by crystallization1US 4,569,677 AUnie van Kunstmestfabrieken B.V. · 1986