B03D 2201/005
Dispersants
B03D2201/005 (Dispersants) appears on 42 US grants and 25 published applications in this corpus.
Search patents in B03D- Granted patents
- 42
- Published applications
- 25
- Assignees
- 37
- Inventors
- 89
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 4 |
| 2019 | 3 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for separating competing anions from per- and polyfluoroalkyl substances (PFAS) in a flow of water4 Mar 2025US 12,240,771 B2Emerging Compounds Treatment Technologies, Inc.
- Method for recovering gold in cyanide tailing by hierarchical ramified flotation31 Oct 2023US 11,801,517 B2Chongyi Zhangyuan Tungsten Co., Ltd
- Apparatus for simultaneous grinding and froth flotation16 Aug 2022US 11,413,622 B2Omya International AG
- Coal-derived solid hydrocarbon particles11 Jan 2022US 11,220,646 B2Omnis Mineral Techologies, LLC
- Process for separation of antimony and arsenic from a leach solution21 Sep 2021US 11,124,857 B2Goldcorp Inc.
- System and method for separating competing anions from per- and polyfluoroalkyl substances (pfas) in a flow of water7 Nov 2024US 2024/0368003 A1Emerging Compounds Treatment Technologies, Inc.
- System and method for separating competing anions from per- and polyfluoroalkyl substances (pfas) in a flow of water6 Oct 2022US 2022/0315453 A1Emerging Compounds Treatment Technologies, Inc.
- Collector composition25 Aug 2022US 2022/0266263 A1BASF SE
- Method for conditioning and processing whole or thin stillage to aid in the separation and recovery of protein and oil fractions14 Apr 2022US 2022/0112450 A1Fluid Quip Technologies, LLC
- Method for recovering gold in cyanide tailing by hierarchical ramified flotation26 Aug 2021US 2021/0260604 A1Chongyi Zhangyuan Tungsten Co., Ltd
Most cited
By later US patents
- Ambient froth flotation process for the recovery of bitumen from tar sand87US 4,425,227 AGNC Energy Corporation · 1984
- Composition comprising a pulverized purified substance, water and a dispersing agent, and a method for preparing the composition42US 4,217,109 AAB Scaniainventor · 1980
- Purification of kaolin clay by froth flotation using hydroxamate collectors29US 4,629,556 AThiele Kaolin Company · 1986
- Method of treating clay to improve its whiteness22US 4,492,628 AFreeport Kaolin Company · 1985
- Flotation reagents20US 4,439,314 APhillips Petroleum Company · 1984