Multifocal contact lens displaying improved vision attributes
US-2026044018-A1 · Feb 12, 2026 · US
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with the reactive group not directly attached to a heterocyclic ring
with the reactive group not directly attached to a heterocyclic 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 | C09B62/44 |
| Official title | with the reactive group not directly attached to a heterocyclic ring |
| Display label | with the reactive group not directly attached to a heterocyclic ring |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Contact lens displaying improved vision attributes
US-12486348-B2 · Dec 2, 2025 · US
Multifocal contact lens displaying improved vision attributes
US-12481173-B2 · Nov 25, 2025 · US
Silver nanoparticle surface enabled self- assembly of organic dye molecules
US-12455217-B2 · Oct 28, 2025 · US
Multifocal contact lens displaying improved vision attributes
US-11543683-B2 · Jan 3, 2023 · US
Silver nanoparticle surface enabled self-assembly of organic dye molecules
US-2022136937-A1 · May 5, 2022 · US
Multifocal contact lens displaying improved vision attributes
US-2021063770-A1 · Mar 4, 2021 · US
Contact lens displaying improved vision attributes
US-2021061934-A1 · Mar 4, 2021 · US
Colored composition
US-10450462-B2 · Oct 22, 2019 · US
Multi-sensor array compound and methods of use thereof
US-10017525-B2 · Jul 10, 2018 · US
Colored composition
US-2016040013-A1 · Feb 11, 2016 · US
Multi-sensor array compound and methods of use thereof
US-2015232485-A1 · Aug 20, 2015 · US