Material systems and methods of manufacture for auxetic foams
US-10479004-B2 · Nov 19, 2019 · US
After-treatment of expandable particles; Forming foamed products
After-treatment of expandable particles; Forming foamed products · 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 | C08J9/22 |
| Official title | After-treatment of expandable particles; Forming foamed products |
| Display label | After-treatment of expandable particles; Forming foamed products |
| Total patents | 119 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 17 |
| 2019 | 11 |
| 2020 | 15 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Foam particle moulded article and sole member
US-2019263994-A1 · Aug 29, 2019 · US
Propylene-based resin foam particle and foam particle molded body
US-10385178-B2 · Aug 20, 2019 · US
Thermally expandable thermoplastic microspheres and process for their preparation
US-2019233606-A1 · Aug 1, 2019 · US
Prefoaming of poly(meth)acrylimide particles for subsequent foam moulding in closed tools
US-10343314-B2 · Jul 9, 2019 · US
Propylene resin foam particles and foam particle molded article
US-10336880-B2 · Jul 2, 2019 · US
Use of hollow polymeric microspheres in composite materials requiring flame resistance
US-10280340-B2 · May 7, 2019 · US
Absorbent polymeric foam for shoe insoles
US-2019106551-A1 · Apr 11, 2019 · US
Antioxidant-containing foamable resin particles, method for producing same, foamable particles, and foam-molded article
US-2019085160-A1 · Mar 21, 2019 · US
Apparatus and method for expanding thermally expandable thermoplastic microspheres to expanded thermoplastic microspheres
US-10214624-B2 · Feb 26, 2019 · US
Composite resin pre-expanded particles containing carbon black and method for producing same, and expanded molded article
US-10184036-B2 · Jan 22, 2019 · US
Process for preparing thermoplastic elastomer foam and foamed article
US-2018362721-A1 · Dec 20, 2018 · US
Particle-containing foam structure
US-10143595-B2 · Dec 4, 2018 · US
Styrenic Copolymers and Articles Therefrom
US-2018305512-A1 · Oct 25, 2018 · US
Thermoplastic resin foamed particles
US-10106664-B2 · Oct 23, 2018 · US
Method of making coextruded, cross-linked polyolefin foam with tpu cap layers
US-2018281260-A1 · Oct 4, 2018 · US
Process for preparing thermoplastic elastomer foam and foamed article
US-10081716-B2 · Sep 25, 2018 · US
Apparatus and Method for Expanding Thermally Expandable Thermoplastic Microspheres to Expanded Thermoplastic Microspheres
US-2018265662-A1 · Sep 20, 2018 · US
Thermally expandable sheet and thermally expandable sheet production method
US-2018257334-A1 · Sep 13, 2018 · US
Method for preparing superabsorbent polymer
US-2018257059-A1 · Sep 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J9/22?
- CPC C08J9/22 is the Cooperative Patent Classification code for “After-treatment of expandable particles; Forming foamed products.”
- How many patents are filed under CPC C08J9/22 (After-treatment of expandable particles; Forming foamed products)?
- Our database includes 119 publications tagged with this CPC code.
- Is patent activity under CPC C08J9/22 growing?
- Publication counts under this code: 7 in 2024 vs 9 in 2025 (latest complete years).