Ceramic honeycomb bodies having high-strength skin and manufacturing methods thereof
US-12060305-B2 · Aug 13, 2024 · US
Silica sols, alkyl, ammonium or alkali metal silicate cements
Silica sols, alkyl, ammonium or alkali metal silicate cements · 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 | C04B41/5089 |
| Official title | {Silica sols, alkyl, ammonium or alkali metal silicate cements} |
| Display label | Silica sols, alkyl, ammonium or alkali metal silicate cements |
| Total patents | 130 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 9 |
| 2017 | 19 |
| 2018 | 14 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production method of ceramic honeycomb structure, and ceramic honeycomb structure
US-9840444-B2 · Dec 12, 2017 · US
Honeycomb filter
US-9839869-B2 · Dec 12, 2017 · US
Method for making a honeycomb structure comprising coating a honeycomb body with cement skin layers
US-9833927-B2 · Dec 5, 2017 · US
Honeycomb structure comprising a cement skin composition with crystalline inorganic fibrous material
US-9834481-B2 · Dec 5, 2017 · US
Cement compositions for applying to honeycomb bodies
US-9828298-B2 · Nov 28, 2017 · US
Honeycomb filter and production method for honeycomb filter
US-9795910-B2 · Oct 24, 2017 · US
Method and system for crack-free drying of high strength skin on a porous ceramic body
US-9789633-B2 · Oct 17, 2017 · US
Honeycomb filter
US-9719385-B2 · Aug 1, 2017 · US
Bio-based repair method for concrete
US-9676673-B2 · Jun 13, 2017 · US
Compositions for cores used in investment casting
US-2017144216-A1 · May 25, 2017 · US
Method for applying sealing material paste to peripheral surface of ceramic block
US-9610606-B2 · Apr 4, 2017 · US
Honeycomb structure
US-9574473-B2 · Feb 21, 2017 · US
Honeycomb structure comprising a cement skin composition with crystalline inorganic fibrous material
US-2017044066-A1 · Feb 16, 2017 · US
Honeycomb structure
US-9567885-B2 · Feb 14, 2017 · US
Honeycomb structure comprising an outer cement skin and a cement therefor
US-9556769-B2 · Jan 31, 2017 · US
Silica coating for enhanced hydrophilicity/transmittivity
US-9556338-B2 · Jan 31, 2017 · US
Circumferential coating material and circumferentially coated honeycomb structure
US-2017002205-A1 · Jan 5, 2017 · US
Phoyocatalytic coating
US-2016361706-A1 · Dec 15, 2016 · US
Honeycomb structure comprising an outer cement skin and a cement therefor
US-9518485-B2 · Dec 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/5089?
- CPC C04B41/5089 is the Cooperative Patent Classification code for “Silica sols, alkyl, ammonium or alkali metal silicate cements.”
- How many patents are filed under CPC C04B41/5089 (Silica sols, alkyl, ammonium or alkali metal silicate cements)?
- Our database includes 130 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/5089 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).