Super Absorbent Polymer and Preparation Method Thereof
US-2023356183-A1 · Nov 9, 2023 · US
of carbonic acid {, e.g. R-O-C(=O)-O-R}
of carbonic acid {, e.g. R-O-C(=O)-O-R} · 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 | C08K5/109 |
| Official title | of carbonic acid {, e.g. R-O-C(=O)-O-R} |
| Display label | of carbonic acid {, e.g. R-O-C(=O)-O-R} |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Preparation Method of Super Absorbent Polymer
US-2023323043-A1 · Oct 12, 2023 · US
Resin composition
US-11634615-B2 · Apr 25, 2023 · US
Isocyanate composition and method for producing isocyanate polymer
US-2023114799-A1 · Apr 13, 2023 · US
Isocyanate composition and method for producing isocyanate polymer
US-11548975-B2 · Jan 10, 2023 · US
Copolymer for polymer electrolyte, and gel polymer electrolyte and lithium secondary battery which include the same
US-2022340702-A1 · Oct 27, 2022 · US
Super Absorbent Polymer Composition and Preparation Method for the Same
US-2022274092-A1 · Sep 1, 2022 · US
Copolymer for polymer electrolyte, and gel polymer electrolyte and lithium secondary battery which include the same
US-2022246984-A1 · Aug 4, 2022 · US
Preparation method of super absorbent polymer composition
US-2022212166-A1 · Jul 7, 2022 · US
Aromatic polycarbonate resin composition and aromatic polycarbonate resin manufacturing method
US-2022177646-A1 · Jun 9, 2022 · US
Photoresist compositions, methods for forming pattern using the same, and methods for fabricating semiconductor device using the same
US-2022128905-A1 · Apr 28, 2022 · US
Method for Preparing Superabsorbent Polymer
US-2022111351-A1 · Apr 14, 2022 · US
Super Absorbent Polymer Composition and Preparation Method Thereof
US-2022088569-A1 · Mar 24, 2022 · US
Curing agent composition for curing 2-methylene-1,3-dicarbonyl compound
US-2021388128-A1 · Dec 16, 2021 · US
Organic carbonate as blowing agent
US-11180624-B2 · Nov 23, 2021 · US
Super absorbent polymer and method for preparing same
US-11142615-B2 · Oct 12, 2021 · US
Resin composition for foam, foam, and production method of foam
US-2021261746-A1 · Aug 26, 2021 · US
Resin composition, and molding material and multilayer structure comprising same
US-11091603-B2 · Aug 17, 2021 · US
Preparation Method of Super Absorbent Polymer
US-2021230316-A1 · Jul 29, 2021 · US
Process for producing porous alginate-based aerogels
US-11028247-B2 · Jun 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/109?
- CPC C08K5/109 is the Cooperative Patent Classification code for “of carbonic acid {, e.g. R-O-C(=O)-O-R}.”
- How many patents are filed under CPC C08K5/109 (of carbonic acid {, e.g. R-O-C(=O)-O-R})?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/109 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).