Catalyst system for multi-block copolymer formation
US-11459409-B2 · Oct 4, 2022 · US
NN
NN · 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 | C08F4/64044 |
| Official title | {NN} |
| Display label | NN |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 18 |
| 2023 | 11 |
| 2024 | 7 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Olefin polymerization catalysts bearing a thiazole or imidazole
US-2022259336-A1 · Aug 18, 2022 · US
Monobidentate, bis-bidentate, and tetrabidentate guanidine group iv transition metal olefin copolymerization catalysts
US-2022235154-A1 · Jul 28, 2022 · US
Bidentate diazinylamido complexes as catalysts for olefin polymerization
US-2022227904-A1 · Jul 21, 2022 · US
Tri-functional long-chain branched polyolefin
US-2022227905-A1 · Jul 21, 2022 · US
Process of polymerizing tri-functional long-chain branched olefin
US-2022213246-A1 · Jul 7, 2022 · US
Polyolefin-Polystyrene Multi-Block Copolymer and Method for Producing Same
US-2022204747-A1 · Jun 30, 2022 · US
Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
US-11359035-B2 · Jun 14, 2022 · US
Capped multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
US-11359038-B2 · Jun 14, 2022 · US
Polyolefin-Polystyrene Multi-Block Copolymer and Method for Producing Same
US-2022177634-A1 · Jun 9, 2022 · US
Process of polymerizing tri-functional long-chain branched olefin
US-2022169761-A1 · Jun 2, 2022 · US
Monobidentate aminopyridine group iv transition metal olefin copolymerization catalysts with ultra-high molecular weight capability and ultra-low comonomer incorporation
US-2022162354-A1 · May 26, 2022 · US
Transition metal complex for use in or as a catalyst for olefin polymerization
US-11312795-B2 · Apr 26, 2022 · US
Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
US-2022073656-A1 · Mar 10, 2022 · US
Process of polymerizing tetra-functional long-chain branched polyolefin resins
US-2022033548-A1 · Feb 3, 2022 · US
Olefin Polymerization Processes Featuring In Situ Blending of an Oil Extension
US-2022033549-A1 · Feb 3, 2022 · US
Bis-ligated phosphaguanidine group IV metal complexes and olefin polymerization catalysts produced therefrom
US-11214632-B2 · Jan 4, 2022 · US
Catalyst system for multi-block coploymer formation
US-11208502-B2 · Dec 28, 2021 · US
Hot melt adhesive composition containing a polyolefin-polydiorganosiloxane copolymer and methods for the preparation and use thereof
US-11193051-B2 · Dec 7, 2021 · US
Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
US-11174329-B2 · Nov 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/64044?
- CPC C08F4/64044 is the Cooperative Patent Classification code for “NN.”
- How many patents are filed under CPC C08F4/64044 (NN)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/64044 growing?
- Publication counts under this code: 7 in 2024 vs 12 in 2025 (latest complete years).