Loss circulation compositions (LCM) having portland cement clinker
US-10494561-B2 · Dec 3, 2019 · US
Cellulose or derivatives thereof (C04B26/24 takes precedence)
Cellulose or derivatives thereof (C04B26/24 takes precedence) · 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 | C04B26/285 |
| Official title | {Cellulose or derivatives thereof (C04B26/24 takes precedence)} |
| Display label | Cellulose or derivatives thereof (C04B26/24 takes precedence) |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 32 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 16 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 2 |
| 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-10450496-B2 · Oct 22, 2019 · US
Loss circulation compositions (LCM) having Portland cement clinker
US-10450497-B2 · Oct 22, 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-2019292433-A1 · Sep 26, 2019 · US
Loss circulation compositions (LCM) having portland cement clinker
US-10414967-B2 · Sep 17, 2019 · US
Activated carbon filter articles and methods of making and their use
US-2019275495-A1 · Sep 12, 2019 · US
Mounting pad and method for deterring theft and securing outdoor equipment and appliances against high winds
US-10408493-B1 · Sep 10, 2019 · US
Hydrogel biocement systems and methods
US-2019256770-A1 · Aug 22, 2019 · US
Composite materials containing hemp and nanocellulose
US-2019248987-A1 · Aug 15, 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-10329473-B2 · Jun 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B26/285?
- CPC C04B26/285 is the Cooperative Patent Classification code for “Cellulose or derivatives thereof (C04B26/24 takes precedence).”
- How many patents are filed under CPC C04B26/285 (Cellulose or derivatives thereof (C04B26/24 takes precedence))?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC C04B26/285 growing?
- Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).