Laminate, optical member, and optical apparatus
US-2024409789-A1 · Dec 12, 2024 · US
Porous or cellular plastics
Porous or cellular plastics · 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 | C09J7/26 |
| Official title | Porous or cellular plastics |
| Display label | Porous or cellular plastics |
| Total patents | 386 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 23 |
| 2017 | 41 |
| 2018 | 43 |
| 2019 | 37 |
| 2020 | 39 |
| 2021 | 37 |
| 2022 | 39 |
| 2023 | 30 |
| 2024 | 31 |
| 2025 | 30 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pressure-sensitive adhesive
US-2017292041-A1 · Oct 12, 2017 · US
Adhesives and Related Methods
US-2017275501-A1 · Sep 28, 2017 · US
Masking strip
US-9757755-B2 · Sep 12, 2017 · US
Adhesives and related methods
US-9725623-B2 · Aug 8, 2017 · US
Base material composition for bubble-dispersible foam tape, foam tape using same, and preparation method thereof
US-9605182-B2 · Mar 28, 2017 · US
Self-adhesive article with foam support
US-2017058165-A1 · Mar 2, 2017 · US
Pressure-sensitive adhesive sheet and use thereof
US-2016376470-A1 · Dec 29, 2016 · US
Electrically conductive adhesive tapes and articles therefrom
US-2016333232-A1 · Nov 17, 2016 · US
Self-adhesive article with foam support
US-9493690-B2 · Nov 15, 2016 · US
Self-adhesive article with foam support
US-9493692-B2 · Nov 15, 2016 · US
Adhesive tape and electronic apparatus
US-2016326407-A1 · Nov 10, 2016 · US
Breathable polypropylene based pressure sensitive adhesive coated sheet for blood bag application
US-2016319164-A1 · Nov 3, 2016 · US
Electrically conductive adhesive tapes and articles therefrom
US-2016312074-A1 · Oct 27, 2016 · US
Swelling tape for filling gap
US-9475961-B2 · Oct 25, 2016 · US
Porous adhesive film, method of manufacturing the same, and display device including the same
US-2016303843-A1 · Oct 20, 2016 · US
Foamed sheet
US-2016303822-A1 · Oct 20, 2016 · US
Foamed sheet
US-2016304680-A1 · Oct 20, 2016 · US
Block copolymer blend adhesives with multiple tackifiers
US-9458359-B2 · Oct 4, 2016 · US
Double coated tape exhibiting improved reworkable capability
US-2016264827-A1 · Sep 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09J7/26?
- CPC C09J7/26 is the Cooperative Patent Classification code for “Porous or cellular plastics.”
- How many patents are filed under CPC C09J7/26 (Porous or cellular plastics)?
- Our database includes 386 publications tagged with this CPC code.
- Is patent activity under CPC C09J7/26 growing?
- Publication counts under this code: 31 in 2024 vs 30 in 2025 (latest complete years).