A barrier system
US-2024051735-A1 · Feb 15, 2024 · US
comprising such {cellulosic plastic} substance as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a glass layer B32B17/08)}
comprising such {cellulosic plastic} substance as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a glass layer B32B17/08)} · 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 | B32B23/04 |
| Official title | comprising such {cellulosic plastic} substance as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a glass layer B32B17/08)} |
| Display label | comprising such {cellulosic plastic} substance as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a glass layer B32B17/08)} |
| Total patents | 460 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 18 |
| 2017 | 31 |
| 2018 | 72 |
| 2019 | 61 |
| 2020 | 74 |
| 2021 | 62 |
| 2022 | 49 |
| 2023 | 26 |
| 2024 | 29 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transparent electroconductive layer-equipped cover element provided with transparent pressure-sensitive adhesive layer
US-2017368786-A1 · Dec 28, 2017 · US
Method and system for delivering biodegradable shelled portions
US-2017320573-A1 · Nov 9, 2017 · US
Reactive polyurethane adhesive composition, polyurethane prepolymer, and flexible laminates including the same
US-2017313807-A1 · Nov 2, 2017 · US
Extrusion-coated structural members having extruded profile members
US-2017312970-A1 · Nov 2, 2017 · US
Laminate and image display device
US-2017315282-A1 · Nov 2, 2017 · US
Image display apparatus with touch panel
US-2017315396-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
Membranes with tunable selectivity
US-2017296979-A1 · Oct 19, 2017 · US
Three-dimensional substrate comprising a tissue layer
US-2017258647-A1 · Sep 14, 2017 · US
Light reflecting film, production method for light reflecting film, decorative molding method for light reflecting film, laminated glass, and curved surface body
US-2017254936-A1 · Sep 7, 2017 · US
Extrusion-coated structural members having extruded profile members
US-9744707-B2 · Aug 29, 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
One-part polyurethane adhesive composition, method of making a laminate, and laminate
US-2017204310-A1 · Jul 20, 2017 · US
Antibacterial sheet, antibacterial coat, laminate, and antibacterial solution
US-2017164609-A1 · Jun 15, 2017 · US
Daylighting device
US-2017146208-A1 · May 25, 2017 · US
Film for laminated glass, and laminated glass
US-2017129220-A1 · May 11, 2017 · US
Light control member, method of manufacturing light control member, apparatus for manufacturing light control member, and display device
US-2017115524-A1 · Apr 27, 2017 · US
Liquid crystal element
US-2017108740-A1 · Apr 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B32B23/04?
- CPC B32B23/04 is the Cooperative Patent Classification code for “comprising such {cellulosic plastic} substance as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a glass layer B32B17/08)}.”
- How many patents are filed under CPC B32B23/04 (comprising such {cellulosic plastic} substance as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a glass layer B32B17/08)})?
- Our database includes 460 publications tagged with this CPC code.
- Is patent activity under CPC B32B23/04 growing?
- Publication counts under this code: 29 in 2024 vs 16 in 2025 (latest complete years).