Process for producing furfural and catalyst for use in same
US-2024199565-A1 · Jun 20, 2024 · US
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Sulfates
Sulfates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01G9/06 |
| Official title | Sulfates |
| Display label | Sulfates |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 4 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfur-doped micro zero-valent metal reducing agent and method for preparing the same
US-11981980-B2 · May 14, 2024 · US
Method of separating and recovering bromine from printed circuit board incineration ash by two-step process
US-11858822-B2 · Jan 2, 2024 · US
Dilution solution for measuring free steroids in blood and method for measuring steroid using the same
US-2023314292-A1 · Oct 5, 2023 · US
Method for disposal of waste printed circuit board thermal cracking slag and smelting soot
US-11692238-B2 · Jul 4, 2023 · US
A method of separating and recovering bromine from printed circuit board incineration ash by two-step process
US-2023192488-A1 · Jun 22, 2023 · US
Method For Cooperative Disposal Of Waste Printed Circuit Board Thermal Cracking Slag And Smelting Ash
US-2023037130-A1 · Feb 2, 2023 · US
Method of pretreatment and bromine recovery of PCB incineration ash
US-11198615-B2 · Dec 14, 2021 · US
Sulfur-doped micro zero-valent metal reducing agent and method for preparing the same
US-2021171372-A1 · Jun 10, 2021 · US
Method of recovering bromide from bromine-containing smelting ash
US-10954125-B2 · Mar 23, 2021 · US
A method of recovering bromide from bromine-containing smelting ash
US-2020392000-A1 · Dec 17, 2020 · US
A Method of Pretreatment and Bromine Recovery of PCB Incineration Ash
US-2020262712-A1 · Aug 20, 2020 · US
Pre-treatment agent and pre-treatment method for antithrombin iii to be subjected to limulus test
US-2019025309-A1 · Jan 24, 2019 · US
Pre-treatment agent and pre-treatment method for antithrombin III to be subjected to limulus test
US-10132812-B2 · Nov 20, 2018 · US
Pre-treatment agent and pre-treatment method for antithrombin iii to be subjected to limulus test
US-2016061838-A1 · Mar 3, 2016 · US