Inhibtion of silica scale using hydrophobically-modified alkylene oxide urethane copolymer
US-10160682-B2 · Dec 25, 2018 · US
containing nitrogen (C02F5/14 takes precedence)
containing nitrogen (C02F5/14 takes precedence) · 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 | C02F5/12 |
| Official title | containing nitrogen (C02F5/14 takes precedence) |
| Display label | containing nitrogen (C02F5/14 takes precedence) |
| Total patents | 196 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 16 |
| 2017 | 22 |
| 2018 | 20 |
| 2019 | 14 |
| 2020 | 23 |
| 2021 | 19 |
| 2022 | 22 |
| 2023 | 23 |
| 2024 | 7 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrophobically modified polyamine scale inhibitors
US-10144663-B2 · Dec 4, 2018 · US
Methods of treating erectile dysfunction
US-2018264005-A1 · Sep 20, 2018 · US
Antiscale dispersant composition and use thereof
US-2018244553-A1 · Aug 30, 2018 · US
Agent, liquid, and method for cleaning reverse osmosis membrane
US-2018200678-A1 · Jul 19, 2018 · US
Quaternary cationic polymers
US-2018163020-A1 · Jun 14, 2018 · US
Reducing aluminosilicate scale in the Bayer process
US-9944534-B2 · Apr 17, 2018 · US
Tagged scale inhibiting polymer compositions and methods of inhibiting scale formation
US-9902904-B2 · Feb 27, 2018 · US
Scale inhibition method and geothermal power generating device
US-9840429-B2 · Dec 12, 2017 · US
Method for producing polyaspartic acid by means of a precondensate
US-2017321008-A1 · Nov 9, 2017 · US
Composition and Method for Inhibiting Corrosion and Scale
US-2017306506-A1 · Oct 26, 2017 · US
Composition and Method for Inhibiting Corrosion
US-2017297938-A1 · Oct 19, 2017 · US
Process For Inhibition Of Sulphide Scales
US-2017292058-A1 · Oct 12, 2017 · US
Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems
US-2017260076-A1 · Sep 14, 2017 · US
Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems
US-9751789-B2 · Sep 5, 2017 · US
Hydrophobically modified polyamine scale inhibitors
US-9745216-B2 · Aug 29, 2017 · US
Rheology modifying agents for slurries
US-2017218169-A1 · Aug 3, 2017 · US
Inhibition of silica scale using amine-terminated polyoxyalkylene
US-2017197855-A1 · Jul 13, 2017 · US
Inhibtion of silica scale using hydrophobically-modified alkylene oxide urethane copolymer
US-2017190603-A1 · Jul 6, 2017 · US
Method to disperse byproducts formed in dilution steam systems
US-2017183248-A1 · Jun 29, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F5/12?
- CPC C02F5/12 is the Cooperative Patent Classification code for “containing nitrogen (C02F5/14 takes precedence).”
- How many patents are filed under CPC C02F5/12 (containing nitrogen (C02F5/14 takes precedence))?
- Our database includes 196 publications tagged with this CPC code.
- Is patent activity under CPC C02F5/12 growing?
- Publication counts under this code: 7 in 2024 vs 13 in 2025 (latest complete years).