Stabilisation of mineral foams
US-10183891-B2 · Jan 22, 2019 · US
Porous or lightweight materials
Porous or lightweight 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 | C04B2111/40 |
| Official title | Porous or lightweight materials |
| Display label | Porous or lightweight materials |
| Total patents | 280 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 16 |
| 2018 | 25 |
| 2019 | 36 |
| 2020 | 36 |
| 2021 | 22 |
| 2022 | 28 |
| 2023 | 29 |
| 2024 | 36 |
| 2025 | 27 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultra-light mineral foam
US-2018354855-A1 · Dec 13, 2018 · US
Ultra-light mineral foam
US-2018354854-A1 · Dec 13, 2018 · US
Ceramic support structure
US-2018339426-A1 · Nov 29, 2018 · US
Inorganic fire protection and insulation foam and use thereof
US-2018327313-A1 · Nov 15, 2018 · US
Microlattice damping material and method for repeatable energy absorption
US-10119589-B2 · Nov 6, 2018 · US
Evaluation method for clay and manufacturing method of extrusion molded body
US-2018304494-A1 · Oct 25, 2018 · US
Alkyl polyglycoside derivative as biodegradable foaming surfactant for cement
US-10106719-B2 · Oct 23, 2018 · US
Ceramic support structure
US-2018243941-A1 · Aug 30, 2018 · US
Ceramic support structure
US-10059031-B1 · Aug 28, 2018 · US
Lightweight concrete
US-2018222798-A1 · Aug 9, 2018 · US
Lightweight foamed cement, cement board, and methods for making same
US-10040725-B2 · Aug 7, 2018 · US
Ceramic support structure
US-10022889-B2 · Jul 17, 2018 · US
System and Method for the Production of Gypsum Board Using Starch Pellets
US-2018186702-A1 · Jul 5, 2018 · US
Method for preparing silica aerogel-containing blanket and silica aerogel-containing blanket prepared by using the same
US-2018179073-A1 · Jun 28, 2018 · US
Self-Consolidating Concrete Construction with Self-Roughening Properties
US-2018162776-A1 · Jun 14, 2018 · US
Stabilisation of mineral foams
US-2018155243-A1 · Jun 7, 2018 · US
Microstructure features of gypsum wallboard made with high starch and high dispersant level
US-2018117878-A1 · May 3, 2018 · US
Thermal insulator and method of manufacturing the same
US-9950963-B2 · Apr 24, 2018 · US
Method for making a lightweight gypsum composition with internally generated foam and products made from same
US-2018099908-A1 · Apr 12, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2111/40?
- CPC C04B2111/40 is the Cooperative Patent Classification code for “Porous or lightweight materials.”
- How many patents are filed under CPC C04B2111/40 (Porous or lightweight materials)?
- Our database includes 280 publications tagged with this CPC code.
- Is patent activity under CPC C04B2111/40 growing?
- Publication counts under this code: 36 in 2024 vs 27 in 2025 (latest complete years).