Phosphine-imino-quinoline and related ligands for use in ethylene oligomerization processes
US-2024360052-A1 · Oct 31, 2024 · US
Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds
Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J2531/0244 |
| Official title | Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds |
| Display label | Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds |
| Total patents | 170 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 14 |
| 2018 | 17 |
| 2019 | 23 |
| 2020 | 22 |
| 2021 | 21 |
| 2022 | 17 |
| 2023 | 15 |
| 2024 | 14 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method of dehydrogenative coupling
US-10500559-B2 · Dec 10, 2019 · US
Novel imines with tunable nucleophilicity and steric properties through metal coordination: applications as ligands and metalloorganocatalysts
US-2019321812-A1 · Oct 24, 2019 · US
Mixed Catalyst Systems Containing Iron Tridentate Carbenes and Methods for Making Polymer Products Using Same
US-2019308181-A1 · Oct 10, 2019 · US
Preparation of amino acids and amino acid derivatives
US-2019276388-A1 · Sep 12, 2019 · US
Catalyst Systems and Polymerization Processes for Using the Same
US-2019168203-A1 · Jun 6, 2019 · US
Metal-ligand cooperative catalysis through N-H arm deprotonation/pyridine dearomatiztion for efficient hydrogen generation from formic acid
US-10300469-B1 · May 28, 2019 · US
Conversion of corn oil to upgraded biodiesel and poly(lactic acid)
US-2019144369-A1 · May 16, 2019 · US
Synthesis of glycols via transfer hydrogenation of alpha-functional esters with alcohols
US-10266467-B2 · Apr 23, 2019 · US
Light driven metal pincer photocatalysts for carbon dioxide reduction to carbon monoxide
US-2019083966-A1 · Mar 21, 2019 · US
Iron-catalyzed cross-coupling of methanol with secondary or tertiary alcohols to produce formate esters
US-2019039992-A1 · Feb 7, 2019 · US
Method for preparing a catalyst mediating H2 evolution, said catalyst and uses thereof
US-10137435-B2 · Nov 27, 2018 · US
Dialkyl cobalt catalysts and their use for hydrosilylation and dehydrogenative silylation
US-2018334470-A1 · Nov 22, 2018 · US
Process for preparing symmetric pincer ligands from the group of the M-terphenyl compounds
US-10131623-B2 · Nov 20, 2018 · US
Catalyst for Ring Expansion Metathesis Polymerization of Cyclic Monomers
US-2018257065-A1 · Sep 13, 2018 · US
Ligand components, associated reaction products, activated reaction products, hydrosilylation catalysts and hydrosilylation curable compositions including the ligand components, and associated methods for preparing same
US-10046318-B2 · Aug 14, 2018 · US
Benzo[h]quinoline ligands and complexes thereof
US-2018169641-A1 · Jun 21, 2018 · US
Catalytic hydrogenation process for the synthesis of terminal diols from terminal dialkyl aliphatic esters
US-9944579-B2 · Apr 17, 2018 · US
Olefin hydroboration
US-9944661-B2 · Apr 17, 2018 · US
Catalysts and methods for forming alkenyl and alkyl substituted arenes
US-2018065116-A1 · Mar 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J2531/0244?
- CPC B01J2531/0244 is the Cooperative Patent Classification code for “Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds.”
- How many patents are filed under CPC B01J2531/0244 (Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds)?
- Our database includes 170 publications tagged with this CPC code.
- Is patent activity under CPC B01J2531/0244 growing?
- Publication counts under this code: 14 in 2024 vs 8 in 2025 (latest complete years).