Ultra-light mineral foam
US-10836677-B2 · Nov 17, 2020 · US
Sound-insulating materials
Sound-insulating materials · 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 | C04B2111/52 |
| Official title | Sound-insulating materials |
| Display label | Sound-insulating materials |
| Total patents | 164 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 15 |
| 2019 | 14 |
| 2020 | 19 |
| 2021 | 16 |
| 2022 | 20 |
| 2023 | 13 |
| 2024 | 25 |
| 2025 | 14 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Curable casting compound for producing plastics moulded parts and use thereof
US-10822273-B2 · Nov 3, 2020 · US
Compositions and methods for providing increased strength in ceiling, flooring, and building products
US-2020248408-A1 · Aug 6, 2020 · US
Ultra-light mineral foam
US-2020247722-A1 · Aug 6, 2020 · US
Ultralight inorganic foam and manufacture method thereof
US-10676402-B1 · Jun 9, 2020 · US
Ceiling tile compositions comprising microfibrillated cellulose and methods for making same
US-10669671-B2 · Jun 2, 2020 · US
Geopolymer foam formulation for a non-flammable, sound-absorbing, thermally insulating geopolymer foam element
US-10597326-B2 · Mar 24, 2020 · US
Method for the continuous production of a low-density mineral foam
US-10538462-B2 · Jan 21, 2020 · US
Aerogel containing construction board
US-10480189-B2 · Nov 19, 2019 · US
Method for production of acoustical panels
US-10464846-B2 · Nov 5, 2019 · US
Soundproofing material
US-2019329524-A1 · Oct 31, 2019 · US
Reinforced building block made of autoclaved aerated concrete (AAC)
US-10384977-B2 · Aug 20, 2019 · US
Geopolymer foam formulation for a non-flammable, sound-absorbing, thermally insulating geopolymer foam element
US-2019152853-A1 · May 23, 2019 · US
Geopolymer foam formulation
US-2019152854-A1 · May 23, 2019 · US
Aerogel containing construction board
US-2019136527-A1 · May 9, 2019 · US
Compositions and methods for providing increased strength in ceiling, flooring, and building products
US-2019100880-A1 · Apr 4, 2019 · US
Method for Preparing Mesoporous Sound-Absorbing Material Particles and Mesoporous Sound-Absorbing Material Particles
US-2019092700-A1 · Mar 28, 2019 · US
Sound-absorbing material particle and preparation method thereof
US-2019062170-A1 · Feb 28, 2019 · US
Geopolymer foam formulation for a non-flammable, sound-absorbing, thermally insulating geopolymer foam element
US-10214452-B2 · Feb 26, 2019 · US
Method for production of acoustical panels
US-2019055162-A1 · Feb 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2111/52?
- CPC C04B2111/52 is the Cooperative Patent Classification code for “Sound-insulating materials.”
- How many patents are filed under CPC C04B2111/52 (Sound-insulating materials)?
- Our database includes 164 publications tagged with this CPC code.
- Is patent activity under CPC C04B2111/52 growing?
- Publication counts under this code: 25 in 2024 vs 14 in 2025 (latest complete years).