Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes
US-2025270105-A1 · Aug 28, 2025 · US
Basic aluminium chlorides, e.g. polyaluminium chlorides
Basic aluminium chlorides, e.g. polyaluminium chlorides · 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 | C01F7/57 |
| Official title | Basic aluminium chlorides, e.g. polyaluminium chlorides |
| Display label | Basic aluminium chlorides, e.g. polyaluminium chlorides |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes
US-12297120-B2 · May 13, 2025 · US
Catalytically enhanced production of aluminum chlorohydrates
US-2023322573-A1 · Oct 12, 2023 · US
Method for continuously producing polyaluminum chloride form aluminum slag
US-2023312360-A1 · Oct 5, 2023 · US
Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes
US-2023202858-A1 · Jun 29, 2023 · US
Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes
US-11583817-B2 · Feb 21, 2023 · US
Chemical agent comprising fluorine-containing polyaluminum chloride
US-2021340018-A1 · Nov 4, 2021 · US
Devices and methods of using small form aluminum in consecutive batch aluminum chlorohydrate processes
US-2020398242-A1 · Dec 24, 2020 · US
Anhydrous antiperspirant compositions
US-10729627-B2 · Aug 4, 2020 · US
Anhydrous antiperspirant compositions
US-2019343741-A1 · Nov 14, 2019 · US
Anhydrous antiperspirant compositions
US-10398633-B2 · Sep 3, 2019 · US
Aluminum chlorohydrate salts exhibiting high SEC peak 1
US-10206858-B2 · Feb 19, 2019 · US
Aluminum salt containing high percentage of Al30
US-10118832-B2 · Nov 6, 2018 · US
Ink jet recording medium having anionic inorganic particles
US-10025223-B2 · Jul 17, 2018 · US
Ink jet recording medium having anionic inorganic particles
US-2018074434-A1 · Mar 15, 2018 · US
Anhydrous antiperspirant compositions
US-2017312197-A1 · Nov 2, 2017 · US
Aluminum Chlorohydrate Salts Exhibiting High SEC Peak 1
US-2017246091-A1 · Aug 31, 2017 · US
Antiperspirant active compositions and manufacture thereof
US-9717663-B2 · Aug 1, 2017 · US
Antiperspirant active compositions and manufacture thereof
US-2017128330-A1 · May 11, 2017 · US
ALUMINUM SALT CONTAINING HIGH PERCENTAGE OF Al30
US-2017008773-A1 · Jan 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01F7/57?
- CPC C01F7/57 is the Cooperative Patent Classification code for “Basic aluminium chlorides, e.g. polyaluminium chlorides.”
- How many patents are filed under CPC C01F7/57 (Basic aluminium chlorides, e.g. polyaluminium chlorides)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC C01F7/57 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2025 (latest complete years).