C08F 4/7004
Neutral ligand
Official title: {Neutral ligand}
C08F4/7004 (Neutral ligand) appears on 23 US grants and 29 published applications in this corpus.
Search patents in C08F- Granted patents
- 23
- Published applications
- 29
- Assignees
- 23
- Inventors
- 89
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 7 |
| 2020 | 4 | 2 |
| 2021 | 4 | 4 |
| 2022 | 3 | 2 |
| 2023 | 3 | 4 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Iron bipyridine complex, preparation method of the same, and use of the same in polymerization of conjugated dienes21 Apr 2026US 12,606,583 B2Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences
- Catalysts and process for olefins and polar vinyl monomers copolymerization and olefins homopolymerization11 Nov 2025US 12,466,903 B2Universita' Degli Studi Di Trieste
- Diimine metal complex, preparation method therefor, and application thereof28 Oct 2025US 12,454,586 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Light as catalytic switch: metal-organic insertion/light initiated radical (MILRad) polymerization21 May 2024US 11,987,652 B2University of Houston System
- Oxo-nitrogenated iron complex, catalytic system comprising said oxo-nitrogenated iron complex and process for the (co)polymerization of conjugated dienes16 Jan 2024US 11,872,548 B2Versalis S.P.A.
- Method for preparing supported olefin polymerization catalyst, resulting catalyst and application thereof23 May 2024US 2024/0166774 A1Zhejiang University
- Imine-based ligand-containing complex catalyst for polymerizing cyclic olefinic monomer, and method for preparing cyclic olefinic polymer using same18 Apr 2024US 2024/0124624 A1Kyungpook National University Industry-Academic Cooperation Foundation
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof10 Aug 2023US 2023/0249169 A1University of Houston System
- Light as catalytic switch: metal-organic insertion/light initiated radical (milrad) polymerization20 Apr 2023US 2023/0117728 A1University of Houston System
- Catalysts and process for olefins and polar vinyl monomers copolymerization and olefins homopolymerization23 Feb 2023US 2023/0053987 A1Universita' Degli Studi Di Trieste
Most cited
By later US patents
- Polymerisation and oligomerisation catalysts25US 7,229,943 B2Innovene Europe Limited · 2007
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof5US 11,358,134 B2University of Houston System · 2022
- Cyclic polysulfane-based polymer, method for preparing same, and film comprising same2US 10,533,069 B2Seoul National University R$Db Foudation · 2020
- Polar-group-containing olefin copolymer, polar-group-containing multinary olefin copolymer, olefin-based resin composition, and adhesive and layered product each using the same2US 11,084,957 B2Japan Polyethylene Corporation · 2021
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof2US 11,712,686 B2University of Houston System · 2023