B03D 1/002
Inorganic compounds
B03D1/002 (Inorganic compounds) appears on 169 US grants and 51 published applications in this corpus.
Search patents in B03D- Granted patents
- 169
- Published applications
- 51
- Assignees
- 112
- Inventors
- 310
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 11 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 4 |
| 2015 | 4 | 4 |
| 2016 | 3 | 5 |
| 2017 | 3 | 2 |
| 2018 | 3 | 2 |
| 2019 | 3 | 3 |
| 2020 | 4 | 5 |
| 2021 | 1 | 3 |
| 2022 | 1 | 6 |
| 2023 | 4 | 0 |
| 2024 | 1 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ore dressing process for medium-grade and low-grade mixed collophanite19 May 2026US 12,629,697 B2Institute of Multipurpose Utilization of Mineral Resources, CAGS
- MySx/ZSH mixture as sulfidizing agent22 Jul 2025US 12,364,990 B2Nouryon Chemicals International B. V.
- 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 and system for preparing xanthate by slurry method6 Aug 2024US 12,054,452 B2Central South University
- Slow-release inhibitor for high-magnesium sulfide mineral flotation and application thereof10 Oct 2023US 11,779,935 B2Central South University
- Method for flotation of argillaceous zinc oxide ore with full-size fractions16 Jul 2026US 2026/0199907 A1
- Ammoniated polycarbamide separation aids for mineral flotation12 Mar 2026US 2026/0070068 A1Hexion Inc.
- Process for separating iron-bearing impurities from a host matrix12 Jun 2025US 2025/0187022 A1Bhmpc Investments Pty Ltd
- 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.
- Methods for Pollucite Flotation, Plagioclase Flotation, and Quartz Purification31 Oct 2024US 2024/0359190 A1
Most cited
By later US patents
- Foaming surfactant compositions383US 4,565,647 AThe Procter & Gamble Company · 1986
- Low temperature bitumen recovery process113US 4,946,597 AEsso Resources Canada Limited · 1990
- Ambient froth flotation process for the recovery of bitumen from tar sand87US 4,425,227 AGNC Energy Corporation · 1984
- Foaming surfactant compositions51US 4,599,188 AThe Procter & Gamble Company · 1986
- Foaming surfactant compositions50US 4,536,317 AThe Procter & Gamble Company · 1985