Process for Manufacturing Acoustical Panel
US-2025360703-A1 · Nov 27, 2025 · US
Polyolefins
Polyolefins · 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 | C03C25/30 |
| Official title | Polyolefins |
| Display label | Polyolefins |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glass fiber reinforced gypsum boards and methods of making them
US-2025243114-A1 · Jul 31, 2025 · US
Glass composition for glass fibers, glass fiber, glass fiber woven fabric, and glass-fiber-reinforced resin composion
US-2024417314-A1 · Dec 19, 2024 · US
Long glass fiber manufacturing method, and long glass fiber
US-12110249-B2 · Oct 8, 2024 · US
Long glass fiber manufacturing method, and long glass fiber
US-2024300845-A1 · Sep 12, 2024 · US
Mineral wool insulation
US-12012489-B2 · Jun 18, 2024 · US
Electronic device
US-2024015906-A1 · Jan 11, 2024 · US
Mineral wool insulation
US-2023257531-A1 · Aug 17, 2023 · US
Crosslinkable polymeric compositions with amine-functionalized interpolymers, methods for making the same, and articles made therefrom
US-11685823-B2 · Jun 27, 2023 · US
Mineral wool insulation
US-11674006-B2 · Jun 13, 2023 · US
Pellet comprising thermoplastic polymer sheath surrounding glass filaments having reduced emissions
US-11608432-B2 · Mar 21, 2023 · US
Fiber-sizing agent, inorganic reinforcement material, resin composition, and molded article
US-11577995-B2 · Feb 14, 2023 · US
Glass composition for glass fibers, glass fibers, glass fiber fabric, and glass fiber-reinforced resin composition
US-2022402810-A1 · Dec 22, 2022 · US
Method for producing a three-dimensional glass object and glass fibres suitable for therefor
US-2022267188-A1 · Aug 25, 2022 · US
Optical fiber article, its production and use
US-11406248-B2 · Aug 9, 2022 · US
Sizing compositions including weakly-coordinating anion salts and uses thereof
US-11370704-B2 · Jun 28, 2022 · US
Optical fiber cable, harness, and method of manufacturing optical fiber cable
US-11346999-B2 · May 31, 2022 · US
Flame retardant polyolefin-type resin and preparation method as well as optic fiber cable using the same
US-11028207-B2 · Jun 8, 2021 · US
Ethylene-tetrafluoroethylene copolymer dispersions and coated articles thereof
US-2021108063-A1 · Apr 15, 2021 · US
Optical fiber article, its production and use
US-2021093158-A1 · Apr 1, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C25/30?
- CPC C03C25/30 is the Cooperative Patent Classification code for “Polyolefins.”
- How many patents are filed under CPC C03C25/30 (Polyolefins)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C03C25/30 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).