Preparation method of super absorbent polymer
US-2025325960-A1 · Oct 23, 2025 · US
Polymerisation in non-solvents (C08F2/32 takes precedence)
Polymerisation in non-solvents (C08F2/32 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 | C08F2/12 |
| Official title | Polymerisation in non-solvents (C08F2/32 takes precedence) |
| Display label | Polymerisation in non-solvents (C08F2/32 takes precedence) |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing high viscosity index poly-alpha-olefin
US-12365848-B2 · Jul 22, 2025 · US
Methods for hydroaminoalkylation of olefins and group 4 metal complexes useful in such methods
US-2024317917-A1 · Sep 26, 2024 · US
Composite polyimide separator and preparation method thereof, and secondary battery
US-2024076419-A1 · Mar 7, 2024 · US
Reactor system for multimodal polyethylene polymerization
US-11866521-B2 · Jan 9, 2024 · US
Reactor system for multimodal polyethylene polymerization
US-2023192913-A1 · Jun 22, 2023 · US
Method for preparing high viscosity index poly-alpha-olefin
US-2022403278-A1 · Dec 22, 2022 · US
Method for manufacturing low molecular weight acrylic resin
US-11427658-B2 · Aug 30, 2022 · US
Multimodal polyethylene container
US-11312792-B2 · Apr 26, 2022 · US
Multimodal polyethylene pipe
US-11286378-B2 · Mar 29, 2022 · US
Production of heterophasic polymers in gas or slurry phase
US-11192961-B2 · Dec 7, 2021 · US
Carbon dioxide as a catalyst quench agent in solution polymerization, and products made therefrom
US-11117983-B2 · Sep 14, 2021 · US
Multimodal polyethylene composition and a film comprising the same
US-10941223-B2 · Mar 9, 2021 · US
Multimodal polyethylene screw cap
US-10913041-B2 · Feb 9, 2021 · US
Method for Manufacturing Low Molecular Weight Acrylic Resin
US-2020347160-A1 · Nov 5, 2020 · US
Process for preparing propylene copolymer compositions
US-10787528-B2 · Sep 29, 2020 · US
Single reactor production of polymers in gas or slurry phase
US-10759886-B2 · Sep 1, 2020 · US
Production of Heterophasic Polymers in Gas or Slurry Phase
US-2020223950-A1 · Jul 16, 2020 · US
Carbon Dioxide as a Catalyst Quench Agent in Solution Polymerization, and Products Made Therefrom
US-2020223953-A1 · Jul 16, 2020 · US
Device for producing poly(meth)acrylate in powder form
US-10683371-B2 · Jun 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F2/12?
- CPC C08F2/12 is the Cooperative Patent Classification code for “Polymerisation in non-solvents (C08F2/32 takes precedence).”
- How many patents are filed under CPC C08F2/12 (Polymerisation in non-solvents (C08F2/32 takes precedence))?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C08F2/12 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).