Compositions and methods for branched calcium lignosulfonate cement dispersants
US-12291670-B2 · May 6, 2025 · US
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Compounds containing silicon, titanium or zirconium {or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes}
Compounds containing silicon, titanium or zirconium {or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes} · 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 | C04B24/40 |
| Official title | Compounds containing silicon, titanium or zirconium {or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes} |
| Display label | Compounds containing silicon, titanium or zirconium {or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes} |
| Total patents | 22 |
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 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions and methods for branched calcium lignosulfonate cement dispersants
US-2024279529-A1 · Aug 22, 2024 · US
Isocyanate-amine-based chemical anchor with improved performance, and use thereof
US-2024166870-A1 · May 23, 2024 · US
Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-11760915-B2 · Sep 19, 2023 · US
Chemical analogs of carbonic anhydrase for concrete repair
US-2023105378-A1 · Apr 6, 2023 · US
Process for preparing metal-chelate retarder by sol-gel method
US-11603488-B2 · Mar 14, 2023 · US
Synthesis and application of alcohol amine with expended main carbon chain
US-11548848-B2 · Jan 10, 2023 · US
Cross-linked polyrotaxanes and their application in cement
US-11479708-B2 · Oct 25, 2022 · US
Synthesis and application of alcohol amine with extended main carbon chain
US-2022234992-A1 · Jul 28, 2022 · US
Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-2022169909-A1 · Jun 2, 2022 · US
Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-11279864-B2 · Mar 22, 2022 · US
Additive and admixture for cementitious compositions, cementitious compositions, cementitious structures and methods of making the same
US-2022081364-A1 · Mar 17, 2022 · US
Cross-linked polyrotaxanes and their application in cement
US-2021130676-A1 · May 6, 2021 · US
Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-2021102112-A1 · Apr 8, 2021 · US
Process for preparing metal-chelate retarder by sol-gel method
US-2021079288-A1 · Mar 18, 2021 · US
Two component cement composition
US-9950954-B2 · Apr 24, 2018 · US
Dissolvable cementitious composite ingredient packet
US-9650300-B2 · May 16, 2017 · US
Dissolvable cementitious composite ingredient packet
US-2016347663-A1 · Dec 1, 2016 · US
Composition for ferroelectric thin film formation, method for forming ferroelectric thin film, and ferroelectric thin film formed by the method thereof
US-9502636-B2 · Nov 22, 2016 · US
Two component cement composition
US-2015141554-A1 · May 21, 2015 · US