Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-11760915-B2 · Sep 19, 2023 · US
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Polylactides
Polylactides · 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 | C04B24/285 |
| Official title | {Polylactides} |
| Display label | Polylactides |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cement slurries, cured cement and methods of making and use of these
US-11732177-B2 · Aug 22, 2023 · US
Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-2022169909-A1 · Jun 2, 2022 · US
Cement slurries, cured cement and methods of making and use of these
US-2022145159-A1 · May 12, 2022 · US
Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-11279864-B2 · Mar 22, 2022 · US
Colloidal vesicles for use as dedusting agents in construction panels
US-10988416-B2 · Apr 27, 2021 · US
Method of application of sliding-ring polymers to enhance elastic properties in oil-well cement
US-2021102112-A1 · Apr 8, 2021 · US
Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester
US-10961430-B2 · Mar 30, 2021 · US
Colloidal vesicles for use as dedusting agents in construction panels
US-2019322583-A1 · Oct 24, 2019 · US
Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester
US-10351755-B2 · Jul 16, 2019 · US
On-the-fly production of materials for treatment of a well
US-10233737-B2 · Mar 19, 2019 · US
On-The-Fly Production of Materials for Treatment of a Well
US-2017130571-A1 · May 11, 2017 · US