Integrated polyphase hydrogel and preparation method and application thereof in flexible and stretchable supercapacitor
US-12354799-B2 · Jul 8, 2025 · US
Sulfur containing acids
Sulfur containing acids · 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 | C08K2003/309 |
| Official title | {Sulfur containing acids} |
| Display label | Sulfur containing acids |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 11 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wavelength-controllable cellulose iridescent film and method for preparation thereof
US-12305011-B2 · May 20, 2025 · US
Polysaccharide-elastomer masterbatch compositions
US-2025109259-A1 · Apr 3, 2025 · US
Integrated polyphase hydrogel and preparation method and application thereof in flexible and stretchable supercapacitor
US-2025034337-A1 · Jan 30, 2025 · US
Gas barrier film and packaging material
US-2025010592-A1 · Jan 9, 2025 · US
Polysaccharide-elastomer masterbatch compositions
US-12077640-B2 · Sep 3, 2024 · US
Solution composition for surface treatment of steel sheet and surface-treated steel sheet using same
US-2024270979-A1 · Aug 15, 2024 · US
Solution composition for surface treatment of steel sheet and surface-treated steel sheet using same
US-11939489-B2 · Mar 26, 2024 · US
Compositions for elastomeric compounds and tyres for vehicles comprising reversible cross-linking agent
US-2024059100-A1 · Feb 22, 2024 · US
Method for decolorizing polyester and method for depolymerising polyester comprising the same
US-2024052130-A1 · Feb 15, 2024 · US
Latex composition
US-11884761-B2 · Jan 30, 2024 · US
Antidegradant blend
US-11879050-B2 · Jan 23, 2024 · US
Polysaccharide-elastomer masterbatch compositions
US-2023383069-A1 · Nov 30, 2023 · US
Non-foam polyolefin compositions for wire and cable coating
US-11767419-B2 · Sep 26, 2023 · US
Liquid moisture curable polyurethane with improved adhesion to aluminum
US-2023295479-A1 · Sep 21, 2023 · US
Phosphorus-containing polymers, and methods of producing thereof
US-11685809-B2 · Jun 27, 2023 · US
Polyesters prepared from 1,1-diester-1-alkenes containing a strong acid and stabilizer
US-2023192946-A1 · Jun 22, 2023 · US
Wavelength-controllable cellulose iridescent film and method for preparation thereof
US-2023192975-A1 · Jun 22, 2023 · US
Polymers having stain resistance and antimicrobial/antiviral properties
US-2023193519-A1 · Jun 22, 2023 · US
Isocyanate composition and method for producing isocyanate polymer
US-2023114799-A1 · Apr 13, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K2003/309?
- CPC C08K2003/309 is the Cooperative Patent Classification code for “Sulfur containing acids.”
- How many patents are filed under CPC C08K2003/309 (Sulfur containing acids)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C08K2003/309 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).