Contact lens with improved tear film optical quality
US-12534623-B2 · Jan 27, 2026 · US
the reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl carbonyl group or a (—N)n—CO—A—O—X or (—N)n—CO—A—Hal group, wherein A is an alkylene or alkylidene group, X is hydrogen or an acyl radical of an organic or inorganic acid, Hal is a halogen atom, and n is 0 or 1
the reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl carbonyl group or a (—N)n—CO—A—O—X or (—N)n—CO—A—Hal group, wherein A is an alkylene or alkylidene group, X is hydrogen or an acyl radical of an organic or inorganic acid, Hal is a halogen atom, and n is 0 or 1 · 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 | C09B62/465 |
| Official title | the reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl carbonyl group or a (—N)n—CO—A—O—X or (—N)n—CO—A—Hal group, wherein A is an alkylene or alkylidene group, X is hydrogen or an acyl radical of an organic or inorganic acid, Hal is a halogen atom, and n is 0 or 1 |
| Display label | the reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl carbonyl group or a (—N)n—CO—A—O—X or (—N)n—CO—A—Hal group, wherein A is an alkylene or alkylidene group, X is hydrogen or an acyl radical of an organic or inorganic acid, Hal is a halogen atom, and n is 0 or 1 |
| Total patents | 25 |
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 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Contact lenses containing light absorbing regions and methods for their preparation
US-12517282-B2 · Jan 6, 2026 · US
Polymerizable absorbers of UV and high energy visible light
US-12486403-B2 · Dec 2, 2025 · US
Photosensitive composition reactive dye and photo-curable composition with reactive dye
US-2025197643-A1 · Jun 19, 2025 · US
Resin, resin composition and display device using the same
US-2024381762-A1 · Nov 14, 2024 · US
Polymerizable absorbers of uv and high energy visible light
US-2024067825-A1 · Feb 29, 2024 · US
Polymerizable absorbers of UV and high energy visible light
US-11820899-B2 · Nov 21, 2023 · US
Contact lenses containing light absorbing regions and methods for their preparation
US-2023296807-A1 · Sep 21, 2023 · US
Contact lens with improved vision break-up time
US-2023085695-A1 · Mar 23, 2023 · US
Contact lens with improved tear film optical quality
US-2023066936-A1 · Mar 2, 2023 · US
Polymerizable absorbers of uv and high energy visible light
US-2022340760-A1 · Oct 27, 2022 · US
Polymerizable absorbers of uv and high energy visible light
US-2022340759-A1 · Oct 27, 2022 · US
Control of illumination spectra for LCD displays
US-11275265-B2 · Mar 15, 2022 · US
Polymerizable absorbers of uv and high energy visible light
US-2021109255-A1 · Apr 15, 2021 · US
Polymerizable absorbers of UV and high energy visible light
US-10935695-B2 · Mar 2, 2021 · US
Coloring composition, light absorption anisotropic film, laminate, and image display device
US-10745507-B2 · Aug 18, 2020 · US
Colored composition
US-10450462-B2 · Oct 22, 2019 · US
Polymerizable absorbers of uv and high energy visible light
US-2019271798-A1 · Sep 5, 2019 · US
Polyfunctional polymerizable compound and colored composition
US-2019062561-A1 · Feb 28, 2019 · US
Coloring composition, light absorption anisotropic film, laminate, and image display device
US-2018346633-A1 · Dec 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B62/465?
- CPC C09B62/465 is the Cooperative Patent Classification code for “the reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl carbonyl group or a (—N)n—CO—A—O—X or (—N)n—CO—A—Hal group, wherein A is an alkylene or alkylidene group, X is hydrogen or an acyl radical of an organic or inorganic acid, Hal is a halogen atom, and n is 0 or 1.”
- How many patents are filed under CPC C09B62/465 (the reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl carbonyl group or a (—N)n—CO—A—O—X or (—N)n—CO—A—Hal group, wherein A is an alkylene or alkylidene group, X is hydrogen or an acyl radical of an organic or inorganic acid, Hal is a halogen atom, and n is 0 or 1)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C09B62/465 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).