Composition of heat-expandable microspheres and use thereof
US-2024191049-A1 · Jun 13, 2024 · US
Expandable microspheres, e.g. Expancel®
Expandable microspheres, e.g. Expancel® · 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 | C08J2203/22 |
| Official title | Expandable microspheres, e.g. Expancel® |
| Display label | Expandable microspheres, e.g. Expancel® |
| Total patents | 483 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 20 |
| 2017 | 25 |
| 2018 | 24 |
| 2019 | 51 |
| 2020 | 58 |
| 2021 | 49 |
| 2022 | 60 |
| 2023 | 63 |
| 2024 | 47 |
| 2025 | 52 |
| 2026 | 17 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid foam
US-9850360-B2 · Dec 26, 2017 · US
Push-in earplug
US-2017360615-A1 · Dec 21, 2017 · US
Low density microspheres
US-2017335083-A1 · Nov 23, 2017 · US
Self-sealing tire sealant and pneumatic vehicle tire
US-9802446-B2 · Oct 31, 2017 · US
Thermally expandable preparations
US-9790341-B2 · Oct 17, 2017 · US
Pressure sensitive adhesive foam
US-2017260350-A1 · Sep 14, 2017 · US
Method for manufacturing a construction material
US-2017260105-A1 · Sep 14, 2017 · US
Injection molded product and method for manufacturing same
US-9757910-B2 · Sep 12, 2017 · US
Push-in earplug
US-9737439-B2 · Aug 22, 2017 · US
Method for creating a foamed mass system
US-2017226308-A1 · Aug 10, 2017 · US
Film adhesive
US-2017218237-A1 · Aug 3, 2017 · US
Method and a device for preparation of expanded thermoplastic microspheres
US-9718939-B2 · Aug 1, 2017 · US
Push-in earplug
US-2017181893-A1 · Jun 29, 2017 · US
Self-sealing tire sealant and pneumatic vehicle tire
US-2017144491-A1 · May 25, 2017 · US
Expandable coating compositions and use thereof
US-2017130058-A1 · May 11, 2017 · US
Thermoplastic elastomer composite, electronic cigarette component and method for producing the same
US-9623592-B2 · Apr 18, 2017 · US
Method for coagulating polymer dispersions using expandable microspheres
US-9624408-B2 · Apr 18, 2017 · US
Controlled-expansion CMP PAD casting method
US-9586304-B2 · Mar 7, 2017 · US
Ultra-light polyurethane artificial leather composition
US-9574072-B2 · Feb 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2203/22?
- CPC C08J2203/22 is the Cooperative Patent Classification code for “Expandable microspheres, e.g. Expancel®.”
- How many patents are filed under CPC C08J2203/22 (Expandable microspheres, e.g. Expancel®)?
- Our database includes 483 publications tagged with this CPC code.
- Is patent activity under CPC C08J2203/22 growing?
- Publication counts under this code: 47 in 2024 vs 52 in 2025 (latest complete years).