B03D 2203/10
Potassium ores
B03D2203/10 (Potassium ores) appears on 36 US grants and 22 published applications in this corpus.
Search patents in B03D- Granted patents
- 36
- Published applications
- 22
- Assignees
- 26
- Inventors
- 84
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 6 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Differential pressure based automated sand detection and handling system for oil and gas well operations26 Mar 2024US 11,938,422 B2FMC Technologies, Inc.
- Use of alkoxylated amines as collector agents for ore beneficiation16 May 2023US 11,648,569 B2Arkema France
- Flotation oils, processes and uses thereof17 Jan 2023US 11,554,378 B2
- Beneficiation of rare earth elements bearing ancylite14 Apr 2020US 10,618,058 B2
- Process for the selective floatation of kainite from mineral mixtures using sulfated fatty acids as the collector reagent6 Nov 2018US 10,118,183 B2K+S Aktiengesellschaft
- Flotation oils, processes and uses thereof10 Feb 2022US 2022/0040708 A1Envirollea Inc.
- Differential pressure based automated sand detection and handling system for oil and gas well operations30 Sep 2021US 2021/0299595 A1FMC Technologies, Inc.
- Method for treating a salt solution using multistage separation processes, and treatment system for this purpose26 Mar 2020US 2020/0094265 A1K+S Aktiengesellschaft
- Use of alkoxylated amines as collector agents for ore beneficiation14 Feb 2019US 2019/0046994 A1Arkema France
- Foam Prevention In The Reverse Flotation Process For Purifying Calcium Carbonate19 Jul 2018US 2018/0200731 A1Clariant GmbH
Most cited
By later US patents
- Calcium carbonate beneficiation20US 4,995,965 AAkzo America Inc. · 1991
- Method of floating calcium carbonate ore and flotation reagent therefor13US 5,720,873 AAkzo Nobel N. V. · 1998
- Kaolin clays which are conditioned prior to removing impurities10US 6,007,618 AThiele Kaolin Company · 1999
- Method for brightening natural calcitic ores8US 4,165,840 AAnglo-American Clays Corporation · 1979
- Method for brightening natural calcitic ores8US 4,293,097 AAnglo-American Clays Corporation · 1981