C08F 4/60141
Dianionic ligand
Official title: {Dianionic ligand}
C08F4/60141 (Dianionic ligand) appears on 10 US grants and 11 published applications in this corpus.
Search patents in C08F- Granted patents
- 10
- Published applications
- 11
- Assignees
- 5
- Inventors
- 20
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Bridged anilinyl phenyl phenol catalyst compounds9 Mar 2021US 10,941,229 B2ExxonMobil Chemical Patents Inc.
- Supported catalyst systems and processes for use thereof12 May 2020US 10,647,786 B2ExxonMobil Chemical Patents Inc.
- Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports30 May 2017US 9,663,594 B2Chevron Philips Chemical Company LP
- Catalyst for olefin multimerization and method for producing olefin multimer in presence of catalyst for olefin multimerization11 Apr 2017US 9,616,421 B2Mitsui Chemicals, Inc.
- Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports19 Jul 2016US 9,394,387 B2Chevron Phillips Chemical Company LP
- Bridged Anilinyl Phenyl Phenol Catalyst Compounds26 Mar 2020US 2020/0095352 A1ExxonMobil Chemical Patents Inc.
- Mixed Catalyst Systems Containing Iron Tridentate Carbenes and Methods for Making Polymer Products Using Same10 Oct 2019US 2019/0308181 A1
- Supported Catalyst Systems and Processes for Use Thereof29 Mar 2018US 2018/0086859 A1ExxonMobil Chemical Patents Inc.
- Synthesis of Aryl Coupled BIS Phenoxides and Their Use in Olefin Polymerization Catalyst Systems With Activator-Supports6 Oct 2016US 2016/0289351 A1Chevron Phillips Chemical Company LP
- Catalyst for olefin multimerization and method for producing olefin multimer in presence of catalyst for olefin multimerization7 Jan 2016US 2016/0001278 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Catalyst systems for production of alpha olefin oligomers and polymers27US 8,791,217 B2Chevron Phillips Chemical Company LP · 2014
- Process for controlling molecular weight of polyolefins prepared using pyridyl diamide catalyst systems8US 9,102,773 B2ExxonMobil Chemical Patents Inc. · 2015
- Catalyst compositions containing transition metal complexes with thiolate ligands7US 8,618,229 B2Chevron Phillips Chemical Company LP · 2013
- Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports6US 9,394,387 B2Chevron Phillips Chemical Company LP · 2016
- Catalyst systems for production of alpha olefin oligomers and polymers3US 9,115,225 B2Chevron Phillips Chemical Company LP · 2015