Refractory lining design for magnetic separation
US-2024416360-A1 · Dec 19, 2024 · US
Polysaccharides or derivatives thereof
Polysaccharides or derivatives thereof · 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 | C04B26/28 |
| Official title | Polysaccharides or derivatives thereof |
| Display label | Polysaccharides or derivatives thereof |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 13 |
| 2019 | 34 |
| 2020 | 10 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 14 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Loss circulation compositions (LCM) having portland cement clinker
US-10494561-B2 · Dec 3, 2019 · US
Colloidal vesicles for use as dedusting agents in construction panels
US-2019322583-A1 · Oct 24, 2019 · US
Vesicle dedusting agents for joint compounds
US-2019322585-A1 · Oct 24, 2019 · US
Loss circulation compositions (LCM) having Portland cement clinker
US-10450496-B2 · Oct 22, 2019 · US
Loss circulation compositions (LCM) having Portland cement clinker
US-10450497-B2 · Oct 22, 2019 · US
Mineral fibre insulation
US-2019316787-A1 · Oct 17, 2019 · US
Loss Circulation Compositions (LCM) Having Portland Cement Clinker
US-2019292434-A1 · Sep 26, 2019 · US
Loss circulation compositions (LCM) having portland cement clinker
US-10414967-B2 · Sep 17, 2019 · US
Repair compound and methods of use
US-2019225543-A1 · Jul 25, 2019 · US
Loss Circulation Compositions (LCM) Having Portland Cement Clinker
US-2019225865-A1 · Jul 25, 2019 · US
Loss Circulation Compositions (LCM) Having Portland Cement Clinker
US-2019185736-A1 · Jun 20, 2019 · US
Loss circulation compositions (LCM) having Portland cement clinker
US-10323172-B2 · Jun 18, 2019 · US
Loss circulation compositions (LCM) having portland cement clinker
US-10323171-B2 · Jun 18, 2019 · US
Loss circulation compositions (LCM) having portland cement clinker
US-10301529-B2 · May 28, 2019 · US
Loss Circulation Compositions (LCM) Having Portland Cement Clinker
US-2019153292-A1 · May 23, 2019 · US
Loss Circulation Compositions (LCM) Having Portland Cement Clinker
US-2019153294-A1 · May 23, 2019 · US
Loss Circulation Compositions (LCM) Having Portland Cement Clinker
US-2019153293-A1 · May 23, 2019 · US
Loss circulation compositions (LCM) having Portland cement clinker
US-10287479-B2 · May 14, 2019 · US
Repair compound and methods of use
US-10273185-B2 · Apr 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B26/28?
- CPC C04B26/28 is the Cooperative Patent Classification code for “Polysaccharides or derivatives thereof.”
- How many patents are filed under CPC C04B26/28 (Polysaccharides or derivatives thereof)?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC C04B26/28 growing?
- Publication counts under this code: 14 in 2024 vs 7 in 2025 (latest complete years).