Process for preparing rigid polyisocyanurate foams using natural-oil polyols
US-9834638-B2 · Dec 5, 2017 · US
oligomerisation to isocyanurate groups
oligomerisation to isocyanurate groups · 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 | C08G18/092 |
| Official title | {oligomerisation to isocyanurate groups} |
| Display label | oligomerisation to isocyanurate groups |
| Total patents | 347 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 21 |
| 2017 | 42 |
| 2018 | 42 |
| 2019 | 31 |
| 2020 | 50 |
| 2021 | 23 |
| 2022 | 41 |
| 2023 | 26 |
| 2024 | 21 |
| 2025 | 20 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Foam boards including non-halogenated fire retardants
US-9815256-B2 · Nov 14, 2017 · US
Isocyanate trimerisation catalyst system, a precursor formulation, a process for trimerising isocyanates, rigid polyisocyanurate/polyurethane foams made therefrom, and a process for making such foams
US-2017283541-A1 · Oct 5, 2017 · US
Isocyanurate composition
US-9725422-B2 · Aug 8, 2017 · US
Process for producing porous materials
US-2017204242-A1 · Jul 20, 2017 · US
Polyester polyols with long-chain polyether polyol building blocks and use thereof in rigid pur/pir foams
US-9701805-B2 · Jul 11, 2017 · US
Refractory article and production method thereof
US-2017130067-A1 · May 11, 2017 · US
Intermediate polyisocyanurate comprising materials
US-9631043-B2 · Apr 25, 2017 · US
Isocyanurate composition
US-2017073317-A1 · Mar 16, 2017 · US
Process for preparing TDI isocyanurate
US-9593089-B2 · Mar 14, 2017 · US
Catalysts for polyurethane foam polyol premixes containing halogenated olefin blowing agents
US-2017066867-A1 · Mar 9, 2017 · US
Isocyanate trimerisation catalyst system, a precursor formulation, a process for trimerising isocyanates, rigid polyisocyanurate/polyurethane foams made therefrom, and a process for making such foams
US-9587066-B2 · Mar 7, 2017 · US
Polyisocyanate cured product, and method for producing polyisocyanate cured product
US-2017044296-A1 · Feb 16, 2017 · US
Sheet-forming body, adhesive sheet, and laminate
US-2017037179-A1 · Feb 9, 2017 · US
Catalysts for polyurethane foam polyol premixes containing halogenated olefin blowing agents
US-9556303-B2 · Jan 31, 2017 · US
Process for Making Rigid Polyurethane or Urethane-Modified Polyisocyanurate Foams
US-2016376397-A1 · Dec 29, 2016 · US
Wall insulation boards with non-halogenated fire retardant and insulated wall systems
US-9523195-B2 · Dec 20, 2016 · US
Production of polyisocyanurate foam panels
US-2016303778-A1 · Oct 20, 2016 · US
Polymerizable composition for optical material and optical material
US-2016282515-A1 · Sep 29, 2016 · US
Method for producing polyisocyanates and use thereof
US-9440937-B2 · Sep 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/092?
- CPC C08G18/092 is the Cooperative Patent Classification code for “oligomerisation to isocyanurate groups.”
- How many patents are filed under CPC C08G18/092 (oligomerisation to isocyanurate groups)?
- Our database includes 347 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/092 growing?
- Publication counts under this code: 21 in 2024 vs 20 in 2025 (latest complete years).