Metallocene Catalyst Compositions and Polymerization Process Therewith
US-2017342175-A1 · Nov 30, 2017 · US
Polymerisation catalysts
Polymerisation catalysts · 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 | C08F4/00 |
| Official title | Polymerisation catalysts |
| Display label | Polymerisation catalysts |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 23 |
| 2017 | 24 |
| 2018 | 8 |
| 2019 | 18 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Azide-containing fluoropolymers and their preparation
US-9828446-B2 · Nov 28, 2017 · US
Encapsulated Catalyst for Aerospace Grade Resin Systems
US-2017313919-A1 · Nov 2, 2017 · US
Composition for forming interlayer insulating film, interlayer insulating film, method for forming interlayer insulating film pattern, and device
US-2017285472-A1 · Oct 5, 2017 · US
Method for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution
US-9777078-B2 · Oct 3, 2017 · US
A process for preparing a (meth)acrylate additive, a method of improving the sag resistance of a polyolefin and a sag resistant polyolefin
US-2017267788-A1 · Sep 21, 2017 · US
Boron-bridged 2-indenyl metallocene complexes for olefin polymerization
US-2017260304-A1 · Sep 14, 2017 · US
Encapsulated polymerization initiators, polymerization systems and methods using the same
US-2017247490-A1 · Aug 31, 2017 · US
Fluorinated catalyst supports and catalyst systems
US-2017233506-A1 · Aug 17, 2017 · US
Method of preparing ethylene polymers by controlled high pressure polymerization
US-9732168-B2 · Aug 15, 2017 · US
Process of controlled radical polymerization of branched polyacrylates
US-9725528-B2 · Aug 8, 2017 · US
Curing agent for three-dimensional shaped product, apparatus for manufacturing three-dimensional shaped product, and non-transitory computer readable medium storing program for manufacturing three-dimensional shaped product
US-9701066-B2 · Jul 11, 2017 · US
Fluorene-type compound, photopolymerization initiator comprising said fluorene-type compound, and photosensitive composition containing said photopolymerization initiator
US-9684238-B2 · Jun 20, 2017 · US
Encapsulated polymerization initiators, polymerization systems and methods using the same
US-9683147-B2 · Jun 20, 2017 · US
Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same
US-9637508-B2 · May 2, 2017 · US
Heterogeneous Ziegler-Natta Catalysts with Fluorided Silica-Coated Alumina
US-2017088646-A1 · Mar 30, 2017 · US
Fluorinated-containing macroinitiator and production process for the same
US-9587039-B2 · Mar 7, 2017 · US
Method for producing polyethylene
US-9574018-B2 · Feb 21, 2017 · US
Encapsulated Catalyst for Aerospace Grade Resin Systems
US-2017029672-A1 · Feb 2, 2017 · US
Ziegler-natta—metallocene dual catalyst systems with activator-supports
US-9540457-B1 · Jan 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/00?
- CPC C08F4/00 is the Cooperative Patent Classification code for “Polymerisation catalysts.”
- How many patents are filed under CPC C08F4/00 (Polymerisation catalysts)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/00 growing?
- Publication counts under this code: 12 in 2024 vs 6 in 2025 (latest complete years).