Heat exchange configurations for oligomerization of olefins
US-12116330-B2 · Oct 15, 2024 · US
as phosphines, arsines, stilbines or bismuthines
as phosphines, arsines, stilbines or bismuthines · 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 | C07C2/36 |
| Official title | as phosphines, arsines, stilbines or bismuthines |
| Display label | as phosphines, arsines, stilbines or bismuthines |
| Total patents | 240 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 21 |
| 2017 | 22 |
| 2018 | 23 |
| 2019 | 41 |
| 2020 | 20 |
| 2021 | 16 |
| 2022 | 35 |
| 2023 | 24 |
| 2024 | 14 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phosphinyl formamidine compounds, metal complexes, catalyst systems, and their use to oligomerize or polymerize olefins
US-9962689-B2 · May 8, 2018 · US
Catalyst Systems and Ethylene Oligomerization Method
US-2017349505-A1 · Dec 7, 2017 · US
Process Improvements In Selective Ethylene Oligomerizations
US-2017342000-A1 · Nov 30, 2017 · US
Reduced Polymer Formation For Selective Ethylene Oligomerizations
US-2017342001-A1 · Nov 30, 2017 · US
Process Improvements for Chromium Based Ethylene Oligomerizations
US-2017341998-A1 · Nov 30, 2017 · US
Reduced Polymer Formation For Selective Ethylene Oligomerizations
US-2017341999-A1 · Nov 30, 2017 · US
Ligand compound, organic chromium compound, catalyst system for oligomerization of olefins, and method for oligomerizing olefins using the same
US-2017312738-A1 · Nov 2, 2017 · US
Deactivator and method for decreasing by-products in olefin oligomerization using the same
US-2017305811-A1 · Oct 26, 2017 · US
Phosphinyl Amidine Compounds, Metal Complexes, Catalyst Systems, and Their Use to Oligomerize or Polymerize Olefins
US-2017305945-A1 · Oct 26, 2017 · US
Method for oligomerizing olefin (as amended)
US-2017267603-A1 · Sep 21, 2017 · US
Ligand compound, catalyst system for olefin oligomerization, and method for oligomerizing olefins using the same
US-2017260305-A1 · Sep 14, 2017 · US
Phosphinyl amidine compounds, metal complexes, catalyst systems, and their use to oligomerize or polymerize olefins
US-9732106-B2 · Aug 15, 2017 · US
Catalyst composition and process for oligomerization of ethylene to produce 1-hexene and/or 1-octene
US-2017203288-A1 · Jul 20, 2017 · US
Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same
US-9701699-B2 · Jul 11, 2017 · US
Continuous ethylene tetramerization process
US-9688588-B2 · Jun 27, 2017 · US
Catalyst composition and process for oligomerization of ethylene
US-2017128925-A1 · May 11, 2017 · US
Ligand compound, catalyst system for olefin oligomerization, and method for olefin oligomerization using the same
US-9637508-B2 · May 2, 2017 · US
Ligand based chromium catalyst and application in catalyzing ethylene oligomerization
US-2017106358-A1 · Apr 20, 2017 · US
Self cleaning reactor system
US-2017101354-A1 · Apr 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2/36?
- CPC C07C2/36 is the Cooperative Patent Classification code for “as phosphines, arsines, stilbines or bismuthines.”
- How many patents are filed under CPC C07C2/36 (as phosphines, arsines, stilbines or bismuthines)?
- Our database includes 240 publications tagged with this CPC code.
- Is patent activity under CPC C07C2/36 growing?
- Publication counts under this code: 14 in 2024 vs 7 in 2025 (latest complete years).