Polyol premixes, thermally insulating rigid polyurethane foams and methods for their production
US-2024018292-A1 · Jan 18, 2024 · US
having nitrogen
having nitrogen · 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 | C08G18/5021 |
| Official title | {having nitrogen} |
| Display label | having nitrogen |
| Total patents | 241 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 17 |
| 2018 | 4 |
| 2019 | 34 |
| 2020 | 23 |
| 2021 | 43 |
| 2022 | 36 |
| 2023 | 20 |
| 2024 | 22 |
| 2025 | 20 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes for producing filter cartridge assemblies and molded polyurethane elastomers
US-10519273-B2 · Dec 31, 2019 · US
Two-component solventless adhesive compositions comprising an amine-initiated polyol
US-2019390095-A1 · Dec 26, 2019 · US
Hfo containing pu formulation
US-2019389996-A1 · Dec 26, 2019 · US
Cold flexible polyurethane formulation
US-2019382592-A1 · Dec 19, 2019 · US
Method for forming multilayer coated film
US-2019344310-A1 · Nov 14, 2019 · US
Rigid polyurethane foams suitable for use as panel insulation
US-2019322791-A1 · Oct 24, 2019 · US
Accelerate cure of moisture curable polyurethane adhesive compositions useful for bonding glass
US-2019309198-A1 · Oct 10, 2019 · US
Polyurethane prepregs with controllable tack
US-10428193-B2 · Oct 1, 2019 · US
Adhesive, laminated film using thereof and polyol composition for adhesive
US-2019284457-A1 · Sep 19, 2019 · US
Two-component solventless adhesive compositions comprising an amine-initiated polyol
US-2019177575-A1 · Jun 13, 2019 · US
Amine catalyst composition for producing haloalkene foamed polyurethane
US-2019169351-A1 · Jun 6, 2019 · US
Process for preparing polyisocyanurate rigid foams
US-2019153187-A1 · May 23, 2019 · US
Polyurethane foam premixes containing halogenated olefin blowing agents and foams made from same
US-2019136005-A1 · May 9, 2019 · US
Polyurethane sealant
US-10280248-B2 · May 7, 2019 · US
Polyurethanes having a reduced aldehyde emission
US-2019119460-A1 · Apr 25, 2019 · US
Blowing Agent Composition for Preparation of a Foam
US-2019100639-A1 · Apr 4, 2019 · US
Novel compositions and methods to produce alkoxylated triazine-arylhydroxy-aldehyde condensates
US-2019092894-A1 · Mar 28, 2019 · US
Amine catalyst for improving the stability of polyurethane systems having halogen containing blowing agents
US-10196476-B2 · Feb 5, 2019 · US
Two-component type urethane-based adhesive composition for an automobile
US-2019016934-A1 · Jan 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/5021?
- CPC C08G18/5021 is the Cooperative Patent Classification code for “having nitrogen.”
- How many patents are filed under CPC C08G18/5021 (having nitrogen)?
- Our database includes 241 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/5021 growing?
- Publication counts under this code: 22 in 2024 vs 20 in 2025 (latest complete years).