Composition, film, optical filter, optical sensor, and image display device
US-2024199895-A1 · Jun 20, 2024 · US
containing silicon in a ring
containing silicon in a ring · 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 | C08K5/549 |
| Official title | containing silicon in a ring |
| Display label | containing silicon in a ring |
| Total patents | 230 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 25 |
| 2017 | 26 |
| 2018 | 25 |
| 2019 | 21 |
| 2020 | 25 |
| 2021 | 16 |
| 2022 | 22 |
| 2023 | 21 |
| 2024 | 12 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst-free curable compositions based on silane-functional polymers
US-11891546-B2 · Feb 6, 2024 · US
Functionalized polymer, rubber composition, and pneumatic tire
US-9790289-B1 · Oct 17, 2017 · US
Processes for enhancing flame retardance and chemical resistance of polymers
US-9758616-B2 · Sep 12, 2017 · US
Composition comprising silylated polymers
US-9752013-B2 · Sep 5, 2017 · US
Polycarbonate resin composition and molded polycarbonate resin
US-2017233570-A1 · Aug 17, 2017 · US
Transparent polymer film and electronic device including the same
US-2017145166-A1 · May 25, 2017 · US
Liquid repellent surfaces
US-9650518-B2 · May 16, 2017 · US
Semiconductor device including leadframe with a combination of leads and lands and method
US-9631481-B1 · Apr 25, 2017 · US
Positive photosensitive composition, thin film transistor, and compound
US-9588425-B2 · Mar 7, 2017 · US
Adhesion promoter and curable organopolysiloxane composition containing same
US-2017058103-A1 · Mar 2, 2017 · US
Cross-linked polycarbonate resin with improved chemical and flame resistance
US-9562133-B2 · Feb 7, 2017 · US
Silicone gel composition
US-2017022326-A1 · Jan 26, 2017 · US
Positive photosensitive composition, thin film transistor, and compound
US-2017023861-A1 · Jan 26, 2017 · US
Cross-linked polycarbonate resin with improved chemical and flame resistance
US-9546244-B2 · Jan 17, 2017 · US
Siloxane resin composition, and photoelectric device employing the same
US-9540488-B1 · Jan 10, 2017 · US
Composition for composite sheet, composite sheet manufactured using same, and display device comprising same
US-2016369060-A1 · Dec 22, 2016 · US
Compounding silica-reinforced rubber with low volatile organic compound (voc) emission
US-2016347777-A1 · Dec 1, 2016 · US
Positive photosensitive composition, thin film transistor, and compound
US-9494861-B2 · Nov 15, 2016 · US
Heat curable silicone rubber composition
US-9487639-B2 · Nov 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/549?
- CPC C08K5/549 is the Cooperative Patent Classification code for “containing silicon in a ring.”
- How many patents are filed under CPC C08K5/549 (containing silicon in a ring)?
- Our database includes 230 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/549 growing?
- Publication counts under this code: 12 in 2024 vs 14 in 2025 (latest complete years).