Method for preparing super absorbent polymer
US-12491495-B2 · Dec 9, 2025 · US
Inorganic compounds
Inorganic compounds · 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 | C08F4/30 |
| Official title | Inorganic compounds |
| Display label | Inorganic compounds |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tetrafluoroethylene-based polymer composition, binder for electrochemical device, electrode mixture, electrode, and secondary battery
US-2025340761-A1 · Nov 6, 2025 · US
Rosin modified acrylic emulsion for liquid barrier coating compositions
US-2025051490-A1 · Feb 13, 2025 · US
Process for preparing an aqueous polymer dispersion
US-2025026867-A1 · Jan 23, 2025 · US
Polyvinyl alcohol resin, polyvinyl acetal resin, method for producing polyvinyl alcohol resin, and method for producing polyvinyl acetal resin
US-2024279369-A1 · Aug 22, 2024 · US
Semicontinuous suspension polymerization of polyacrylates in a capillary reactor
US-2024262938-A1 · Aug 8, 2024 · US
Systems and processes for polymer production
US-12037447-B2 · Jul 16, 2024 · US
Method of preparing carboxylic acid-modified nitrile-based copolymer latex
US-11965080-B2 · Apr 23, 2024 · US
Process for preparation of superabsorbent polymer
US-11958925-B2 · Apr 16, 2024 · US
Waterbased binder for two-component coating composition
US-2024052068-A1 · Feb 15, 2024 · US
Production method of fluoropolymer aqueous dispersion
US-2023416421-A1 · Dec 28, 2023 · US
Vinyl acetate-based copolymer dispersions with small particle size
US-2023348639-A1 · Nov 2, 2023 · US
Production method for cyclic olefin copolymer and catalyst composition for copolymerization of norbornene monomer and ethylene
US-11795256-B2 · Oct 24, 2023 · US
Production method for cyclic olefin copolymer and catalyst composition for copolymerization of norbornene monomer and ethylene
US-2023192930-A1 · Jun 22, 2023 · US
Resin composition for sintering, inorganic fine particle dispersed slurry composition, and inorganic fine particle dispersed sheet
US-2023167214-A1 · Jun 1, 2023 · US
Method for preparing super absorbent polymer
US-2023149897-A1 · May 18, 2023 · US
Process for polymerizing molecular-weight controlled polymer
US-2023100403-A1 · Mar 30, 2023 · US
A process for preparation of superabsorbent polymer
US-2023074309-A1 · Mar 9, 2023 · US
Aqueous latex of vinylidene chloride copolymer
US-2023026244-A1 · Jan 26, 2023 · US
Oleophobic fluoropolymers and fibrous materials prepared therefrom
US-2023025277-A1 · Jan 26, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/30?
- CPC C08F4/30 is the Cooperative Patent Classification code for “Inorganic compounds.”
- How many patents are filed under CPC C08F4/30 (Inorganic compounds)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/30 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).