Photochromic composition with polyol and poly(anhydride)
US-12163045-B2 · Dec 10, 2024 · US
containing nitrogen
containing 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 | C08G18/4615 |
| Official title | {containing nitrogen} |
| Display label | containing nitrogen |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyester polyol and polyurethane
US-12071504-B2 · Aug 27, 2024 · US
Two-component solvent-less adhesive composition
US-12054652-B2 · Aug 6, 2024 · US
Thermoplastic polyurethane from recycled raw materials
US-11999816-B2 · Jun 4, 2024 · US
Barrier film, wavelength conversion sheet, back light, and display device
US-11971626-B2 · Apr 30, 2024 · US
Polyetherester polyol and use thereof for producing polyurethane rigid foam materials
US-2024026061-A1 · Jan 25, 2024 · US
Solvent-based compositions
US-11807705-B2 · Nov 7, 2023 · US
Low VOC water borne coating compositions with improved application properties
US-11781034-B2 · Oct 10, 2023 · US
Adhesive for electrical storage device packaging material, electrical storage device packaging material, electrical storage device container, and electrical storage device
US-2023313007-A1 · Oct 5, 2023 · US
Two-component solvent-based adhesive composition
US-11746267-B2 · Sep 5, 2023 · US
Manganese-bearing polymer complexes
US-2023144691-A1 · May 11, 2023 · US
Barrier film, wavelength conversion sheet, back light, and display device
US-2023121133-A1 · Apr 20, 2023 · US
Polyester
US-11597799-B2 · Mar 7, 2023 · US
Manganese-bearing polymer complexes
US-11578233-B2 · Feb 14, 2023 · US
Method for forming multilayer coated film
US-11541420-B2 · Jan 3, 2023 · US
Sprayable polyurethane/urea elastomer for agriculture
US-11479691-B2 · Oct 25, 2022 · US
Photochromic Composition with Polyol and Poly(anhydride)
US-2022325133-A1 · Oct 13, 2022 · US
Metal polyols for use in a polyurethane polymer
US-2022282024-A1 · Sep 8, 2022 · US
Solventless compositions
US-2022275145-A1 · Sep 1, 2022 · US
Solvent-based compositions
US-2022259364-A1 · Aug 18, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/4615?
- CPC C08G18/4615 is the Cooperative Patent Classification code for “containing nitrogen.”
- How many patents are filed under CPC C08G18/4615 (containing nitrogen)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/4615 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).