Lost Circulation Materials Comprising Brown Mud
US-2017369758-A1 · Dec 28, 2017 · US
Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents · 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 | C04B2103/46 |
| Official title | Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents |
| Display label | Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents |
| Total patents | 291 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 22 |
| 2017 | 29 |
| 2018 | 52 |
| 2019 | 42 |
| 2020 | 45 |
| 2021 | 27 |
| 2022 | 17 |
| 2023 | 22 |
| 2024 | 9 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid coloring suspension and colored cementitious composition
US-9850166-B2 · Dec 26, 2017 · US
Carbon dioxide-resistant Portland based cement composition
US-9850167-B2 · Dec 26, 2017 · US
Geopolymer cement compositions and methods of use
US-9840653-B2 · Dec 12, 2017 · US
Lost Circulation Materials Comprising Red Mud
US-2017342786-A1 · Nov 30, 2017 · US
Binder composition for improved mortars and coatings
US-9828292-B2 · Nov 28, 2017 · US
Compositions containing kiln dust and/or biowaste ash and methods of use
US-9809737-B2 · Nov 7, 2017 · US
Development of high temperature low density cement
US-9796622-B2 · Oct 24, 2017 · US
In situ refractory binder compositions
US-9796903-B2 · Oct 24, 2017 · US
Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries
US-9796905-B2 · Oct 24, 2017 · US
Construction chemical composition for tile mortar
US-2017275204-A1 · Sep 28, 2017 · US
Cement mortar composition
US-2017260094-A1 · Sep 14, 2017 · US
Two component synthetic water retention agent and rheology modifier for use in cements, mortars and plasters
US-2017247293-A1 · Aug 31, 2017 · US
Amphoteric polymer suspending agent for use in calcium aluminate cement compositions
US-9738821-B2 · Aug 22, 2017 · US
Compositions and methods for well completions
US-2017210967-A1 · Jul 27, 2017 · US
Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling
US-9695653-B2 · Jul 4, 2017 · US
Synthetic polymer rheology modifier and water retention agent replacement for cellulose ether in cement compositions
US-2017174567-A1 · Jun 22, 2017 · US
Additive for slurry, drilling mud, and cement slurry
US-2017174971-A1 · Jun 22, 2017 · US
Sealant compositions comprising cement kiln dust and tire-rubber particles and method of use
US-9676989-B2 · Jun 13, 2017 · US
Invert emulsion transition fluid containing calcium aluminate cement
US-9663702-B2 · May 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2103/46?
- CPC C04B2103/46 is the Cooperative Patent Classification code for “Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents.”
- How many patents are filed under CPC C04B2103/46 (Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents)?
- Our database includes 291 publications tagged with this CPC code.
- Is patent activity under CPC C04B2103/46 growing?
- Publication counts under this code: 9 in 2024 vs 12 in 2025 (latest complete years).