Dry grinding of mineral materials, ground mineral materials, and their use in construction materials
US-2024391831-A1 · Nov 28, 2024 · US
Grinding aids; Additives added during grinding
Grinding aids; Additives added during grinding · 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 | C04B2103/52 |
| Official title | Grinding aids; Additives added during grinding |
| Display label | Grinding aids; Additives added during grinding |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Additive composition for strength enhancement of cementitious compositions
US-2024376005-A1 · Nov 14, 2024 · US
Cement-containing composition containing oligomeric dialkoxysilanes
US-2024351949-A1 · Oct 24, 2024 · US
Admixture for cement
US-2024327284-A1 · Oct 3, 2024 · US
Dry grinding of clay mineral, ground clay mineral, and its use in construction materials
US-2024300862-A1 · Sep 12, 2024 · US
Polyacrylic acid grinding aid for enhanced cement powder flowability
US-2024208862-A1 · Jun 27, 2024 · US
Grinding stabilizing additive for vertical roller mills
US-2024150237-A1 · May 9, 2024 · US
Grinding stabilizing additive for vertical roller mills
US-11684929-B2 · Jun 27, 2023 · US
Composition for aerated or lightweight concrete
US-2023192545-A1 · Jun 22, 2023 · US
A composition treated by silicone and its use
US-2023008861-A1 · Jan 12, 2023 · US
Synthesis and application of alcohol amine with expended main carbon chain
US-11548848-B2 · Jan 10, 2023 · US
Admixture composition to improve strength of cement cured products
US-11472739-B2 · Oct 18, 2022 · US
Flash calcined gypsum wallboard
US-11446620-B2 · Sep 20, 2022 · US
Synthesis and application of alcohol amine with extended main carbon chain
US-2022234992-A1 · Jul 28, 2022 · US
Agents for enhancing cement strength
US-11230495-B2 · Jan 25, 2022 · US
Mineral grinding
US-11014858-B2 · May 25, 2021 · US
Grinding stabilizing additive for vertical roller mills
US-2021122675-A1 · Apr 29, 2021 · US
Modifying cementitious compositions using ketone alcohol oil waste
US-10752549-B2 · Aug 25, 2020 · US
Adjuvant combination of a milling assistant and a concrete admixture for accelerated hydration of cementitious binders
US-10752546-B2 · Aug 25, 2020 · US
Gypsum set accelerator and method of preparing same
US-10737979-B2 · Aug 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2103/52?
- CPC C04B2103/52 is the Cooperative Patent Classification code for “Grinding aids; Additives added during grinding.”
- How many patents are filed under CPC C04B2103/52 (Grinding aids; Additives added during grinding)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C04B2103/52 growing?
- Publication counts under this code: 7 in 2024 vs 1 in 2025 (latest complete years).