Biologically derived cement retarder
US-2024018409-A1 · Jan 18, 2024 · US
Retarders
Retarders · 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 | C04B2103/20 |
| Official title | Retarders |
| Display label | Retarders |
| Total patents | 202 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 17 |
| 2017 | 21 |
| 2018 | 16 |
| 2019 | 18 |
| 2020 | 21 |
| 2021 | 15 |
| 2022 | 15 |
| 2023 | 20 |
| 2024 | 22 |
| 2025 | 25 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alkali-O2 oxidized lignin as dispersant
US-2018327311-A1 · Nov 15, 2018 · US
Stabilized aqueous suspension for initiating setting and hardening of aluminous cement compositions
US-2018290935-A1 · Oct 11, 2018 · US
Nanoclay-enhanced cement composition for deep well treatment
US-10065890-B2 · Sep 4, 2018 · US
Methods for producing fluid invasion resistant cement slurries
US-10047587-B2 · Aug 14, 2018 · US
Tunable control of pozzolan-lime cement compositions
US-10047270-B2 · Aug 14, 2018 · US
Lightweight foamed cement, cement board, and methods for making same
US-10040725-B2 · Aug 7, 2018 · US
Functionalized polyamines for clay mitigation
US-9994483-B2 · Jun 12, 2018 · US
Controlled activation of extended-life cement compositions
US-2018148629-A1 · May 31, 2018 · US
Functionalized polyamines for clay mitigation
US-9950953-B2 · Apr 24, 2018 · US
Wellbore cement compositions and wellbore cementing methods
US-9944558-B2 · Apr 17, 2018 · US
Functionalized Polyamines For Clay Mitigation
US-2018065889-A1 · Mar 8, 2018 · US
Macro defect free cement with improved moisture resistance
US-9850164-B2 · Dec 26, 2017 · US
Gypsum fiber board and method for producing gypsum fiber boards
US-2017362126-A1 · Dec 21, 2017 · US
Drilling method using high density, high strength, acid soluble pseudo-crosslinked, lost circulation preventative material
US-9828293-B2 · Nov 28, 2017 · US
Cement and calcium sulfate based binder composition
US-9815740-B2 · Nov 14, 2017 · US
Development of high temperature low density cement
US-9796622-B2 · Oct 24, 2017 · US
Compositions and methods for well completions
US-2017210967-A1 · Jul 27, 2017 · US
High strength, operationally robust lost circulation preventative pseudo-crosslinked material
US-9708869-B2 · Jul 18, 2017 · US
High strength, operationally robust lost circulation preventative pseudo-crosslinked material
US-2017197884-A1 · Jul 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2103/20?
- CPC C04B2103/20 is the Cooperative Patent Classification code for “Retarders.”
- How many patents are filed under CPC C04B2103/20 (Retarders)?
- Our database includes 202 publications tagged with this CPC code.
- Is patent activity under CPC C04B2103/20 growing?
- Publication counts under this code: 22 in 2024 vs 25 in 2025 (latest complete years).