Transparent electroconductive layer-equipped cover element provided with transparent pressure-sensitive adhesive layer
US-2017368786-A1 · Dec 28, 2017 · US
comprising esters
comprising esters · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B32B23/20 |
| Official title | comprising esters |
| Display label | comprising esters |
| Total patents | 514 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 19 |
| 2017 | 50 |
| 2018 | 50 |
| 2019 | 77 |
| 2020 | 62 |
| 2021 | 58 |
| 2022 | 59 |
| 2023 | 36 |
| 2024 | 50 |
| 2025 | 35 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymeric interlayers and multiple layer panels made therefrom exhibiting enhanced properties and performance
US-2017361592-A1 · Dec 21, 2017 · US
Interlayers comprising optical films having enhanced optical properties
US-2017361579-A1 · Dec 21, 2017 · US
Pressure-sensitive adhesive sheet for touch panel, laminate for touch panel, and capacitance-type touch panel
US-2017355173-A1 · Dec 14, 2017 · US
Method and system for delivering biodegradable shelled portions
US-2017320573-A1 · Nov 9, 2017 · US
Laminate and image display device
US-2017315282-A1 · Nov 2, 2017 · US
Adhesive film, optical member comprising the same and optical display comprising the same
US-2017306194-A1 · Oct 26, 2017 · US
Method for producing retardation film
US-2017266898-A1 · Sep 21, 2017 · US
Optical film, polarizing plate equipped with the optical film, liquid crystal display device, and method for producing an optical film
US-9766378-B2 · Sep 19, 2017 · US
Cellulose ester multilayer interlayers
US-2017259536-A1 · Sep 14, 2017 · US
Cellulose ester multilayer interlayers
US-2017259534-A1 · Sep 14, 2017 · US
Cellulose ester multilayer interlayers
US-2017259540-A1 · Sep 14, 2017 · US
Fully moisture-tight multilayer material, capable of absorbing, retaining and not releasing absorbed free water, for packaging food, dietary and cosmetic products, medical devices and medicinal products
US-2017225148-A1 · Aug 10, 2017 · US
Hydrophilic materials including sulfonate copolymer and amino resin
US-2017210937-A1 · Jul 27, 2017 · US
Gas barrier film and organic electroluminescent element
US-2017207415-A1 · Jul 20, 2017 · US
Method for producing retardation film
US-9694550-B2 · Jul 4, 2017 · US
Transfer material, printed material, and manufacturing method for printed material
US-2017157910-A1 · Jun 8, 2017 · US
Lipophilic laminate, manufacturing method therefor, and article
US-2017151706-A1 · Jun 1, 2017 · US
Adhesive film for polarizing plate, polarizing plate and optical display comprising the same
US-2017145262-A1 · May 25, 2017 · US
Conductive film, polarizing plate, and display device provided with touch panel
US-2017144408-A1 · May 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B32B23/20?
- CPC B32B23/20 is the Cooperative Patent Classification code for “comprising esters.”
- How many patents are filed under CPC B32B23/20 (comprising esters)?
- Our database includes 514 publications tagged with this CPC code.
- Is patent activity under CPC B32B23/20 growing?
- Publication counts under this code: 50 in 2024 vs 35 in 2025 (latest complete years).