Expandable acrylic resin bead, expanded acrylic resin bead, and expanded acrylic resin beads molded article
US-10377873-B2 · Aug 13, 2019 · US
by suspension polymerisation in the presence of the blowing agent
by suspension polymerisation in the presence of the blowing agent · 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 | C08J9/20 |
| Official title | by suspension polymerisation in the presence of the blowing agent |
| Display label | by suspension polymerisation in the presence of the blowing agent |
| Total patents | 131 |
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 | 15 |
| 2017 | 12 |
| 2018 | 12 |
| 2019 | 15 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Foaming particle manufacturing device using polyolefin-based resin particle and method for manufacturing said foaming particle
US-2019126524-A1 · May 2, 2019 · US
Color development of carbon black in expanded polystyrene
US-2019112448-A1 · Apr 18, 2019 · US
Hydrophilic polymeric particles and methods for making and using same
US-10246533-B2 · Apr 2, 2019 · US
Thermally-expandable microspheres, and composition and molded article containing same
US-10150849-B2 · Dec 11, 2018 · US
Particulate polyamide, and method for preparing the particulate polyamide
US-10138344-B2 · Nov 27, 2018 · US
Method for producing polymer nanofoam
US-10106665-B2 · Oct 23, 2018 · US
Thermally foamable microsphere, method of producing the same, and use thereof
US-10093782-B2 · Oct 9, 2018 · US
Thermally-expandable microspheres, and composition and molded article containing same
US-2018282503-A1 · Oct 4, 2018 · US
Large-diameter heat-expanding microspheres and method for producing same
US-2018258248-A1 · Sep 13, 2018 · US
Catalyst resin
US-10023711-B2 · Jul 17, 2018 · US
Concentrated polymeric compositions of vinyl aromatic polymers and/or copolymers
US-9914827-B2 · Mar 13, 2018 · US
Super absorbent resin
US-2018056274-A1 · Mar 1, 2018 · US
Microspheres
US-9902829-B2 · Feb 27, 2018 · US
Heat-expandable microspheres
US-2018051153-A1 · Feb 22, 2018 · US
Expandable acrylic resin bead, expanded acrylic resin bead, and expanded acrylic resin beads molded article
US-2018030233-A1 · Feb 1, 2018 · US
Water expandable polymer beads containing latex particles
US-9850361-B2 · Dec 26, 2017 · US
Porous resin particles, method of manufacturing porous resin particles, and use of porous resin particles
US-9814656-B2 · Nov 14, 2017 · US
Catalyst resin
US-9809692-B2 · Nov 7, 2017 · US
Water expandable polymer beads containing latex particles
US-2017313842-A1 · Nov 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J9/20?
- CPC C08J9/20 is the Cooperative Patent Classification code for “by suspension polymerisation in the presence of the blowing agent.”
- How many patents are filed under CPC C08J9/20 (by suspension polymerisation in the presence of the blowing agent)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC C08J9/20 growing?
- Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).