Compositions and methods to remove ammonia in freshwater and saltwater fish storage systems
US-12168619-B2 · Dec 17, 2024 · US
containing sulfur, e.g. sulfates, thiosulfates, gypsum
containing sulfur, e.g. sulfates, thiosulfates, gypsum · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J20/045 |
| Official title | {containing sulfur, e.g. sulfates, thiosulfates, gypsum} |
| Display label | containing sulfur, e.g. sulfates, thiosulfates, gypsum |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing cesium adsorbent and cesium adsorbent prepared thereby
US-2024382925-A1 · Nov 21, 2024 · US
Wastewater adsorbent, and preparation method therefor and use thereof
US-2024367140-A1 · Nov 7, 2024 · US
Beehive indoor-air alternate-working dehumidification system with sterilization function and method
US-2024175587-A1 · May 30, 2024 · US
Oxygen scavenger powder
US-2024138447-A1 · May 2, 2024 · US
Composition and method for reducing ammonia and soluble phosphorus in runoff and leaching from animal manure
US-11944951-B2 · Apr 2, 2024 · US
Methods for reactivating passivated mineral residues
US-2024091743-A1 · Mar 21, 2024 · US
Dryer cartridge, drying system, and use thereof
US-11931670-B2 · Mar 19, 2024 · US
Process for the removal of fluoride from alkaline hydroxide solutions
US-2023406717-A1 · Dec 21, 2023 · US
Aluminum-based lithium ion-sieve (lis), and preparation method and use thereof
US-2023330622-A1 · Oct 19, 2023 · US
Water absorbing agent composition and method for producing same
US-2023285935-A1 · Sep 14, 2023 · US
Lithium adsorbent and method for lithium extraction from salt lake
US-2023201793-A1 · Jun 29, 2023 · US
Barite for heavy metal removal
US-2023174426-A1 · Jun 8, 2023 · US
Preparation method of mercury removal material
US-2023068024-A1 · Mar 2, 2023 · US
PTP blister sheet, and PTP blister pack formed from same
US-11534519-B2 · Dec 27, 2022 · US
Processes For Reducing Environmental Availability Of Environmental Pollutants
US-2022274145-A1 · Sep 1, 2022 · US
Composition and method for reducing ammonia and soluble phosphorus in runoff and leaching from animal manure
US-2021394154-A1 · Dec 23, 2021 · US
Filter media comprising adsorptive particles
US-2021370218-A1 · Dec 2, 2021 · US
Dryer Cartridge, Drying System, and Use Thereof
US-2021252425-A1 · Aug 19, 2021 · US
Oxygen-scavenging polymer compositions
US-10968337-B2 · Apr 6, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/045?
- CPC B01J20/045 is the Cooperative Patent Classification code for “containing sulfur, e.g. sulfates, thiosulfates, gypsum.”
- How many patents are filed under CPC B01J20/045 (containing sulfur, e.g. sulfates, thiosulfates, gypsum)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/045 growing?
- Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).