Silicone hydrogel lens with a crosslinked hydrophilic coating
US-9507173-B2 · Nov 29, 2016 · US
Polysiloxanes
Polysiloxanes · 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 | C08J2383/04 |
| Official title | Polysiloxanes |
| Display label | Polysiloxanes |
| Total patents | 1,064 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 58 |
| 2016 | 62 |
| 2017 | 63 |
| 2018 | 79 |
| 2019 | 102 |
| 2020 | 108 |
| 2021 | 100 |
| 2022 | 105 |
| 2023 | 131 |
| 2024 | 118 |
| 2025 | 117 |
| 2026 | 21 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bi-modal emulsions
US-9447278-B2 · Sep 20, 2016 · US
High efficiency erosion resistant silicone ablator composition
US-2015376452-A1 · Dec 31, 2015 · US
Mesoporous inorganic coatings with photocatalytic particles in its pores
US-2015376441-A1 · Dec 31, 2015 · US
Method to activate silicone rubber surfaces
US-9221999-B2 · Dec 29, 2015 · US
Cover window for display device, display device including the same, and method for manufacturing the same
US-2015368513-A1 · Dec 24, 2015 · US
Thromboresistant/bactericidal s-nitroso-n-acetylpenicillamine (snap)-doped nitric oxide release polymers with enhanced stability
US-2015366831-A1 · Dec 24, 2015 · US
Porous inorganic/organic hybrid particles having high organic content and enhanced pore geometry for chromatographic separations
US-2015367326-A1 · Dec 24, 2015 · US
Silicone-coated release film with a special vacuum deep drawing capability
US-2015368418-A1 · Dec 24, 2015 · US
Stimuli-responsive polymer composites
US-2015361241-A1 · Dec 17, 2015 · US
Transparent composite material and a production method therefor
US-2015337118-A1 · Nov 26, 2015 · US
Hydrophilized silicone particles and making method
US-2015329678-A1 · Nov 19, 2015 · US
Transparent composite material and a production method therefor
US-9187362-B2 · Nov 17, 2015 · US
Silicone hydrogels having improved curing speed and other properties
US-9188702-B2 · Nov 17, 2015 · US
Production of thin silicone films
US-2015315347-A1 · Nov 5, 2015 · US
Bi-modal emulsions
US-2015291797-A1 · Oct 15, 2015 · US
Heat curable silicone rubber composition
US-2015291766-A1 · Oct 15, 2015 · US
Emulsion polymerisation method
US-9156954-B2 · Oct 13, 2015 · US
Silicone resin sheet, cured sheet, and light emitting diode device and producing method thereof
US-9153755-B2 · Oct 6, 2015 · US
Coating emulsion composition, and water/oil-repellent paper and making method
US-2015275437-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2383/04?
- CPC C08J2383/04 is the Cooperative Patent Classification code for “Polysiloxanes.”
- How many patents are filed under CPC C08J2383/04 (Polysiloxanes)?
- Our database includes 1,064 publications tagged with this CPC code.
- Is patent activity under CPC C08J2383/04 growing?
- Publication counts under this code: 118 in 2024 vs 117 in 2025 (latest complete years).