Polymerizable compound and optically anisotropic object
US-2017369783-A1 · Dec 28, 2017 · US
with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom
with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom · 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 | C07D207/452 |
| Official title | with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom |
| Display label | with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom |
| Total patents | 221 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 28 |
| 2017 | 24 |
| 2018 | 23 |
| 2019 | 20 |
| 2020 | 24 |
| 2021 | 20 |
| 2022 | 15 |
| 2023 | 15 |
| 2024 | 23 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resistive grid elements having a thermosetting polymer
US-9824797-B2 · Nov 21, 2017 · US
Methods for the preparation of charged crosslinkers
US-2017327486-A1 · Nov 16, 2017 · US
Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto
US-9795140-B2 · Oct 24, 2017 · US
Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto
US-9781935-B2 · Oct 10, 2017 · US
Prodrugs of fumarates and their use in treating various diseases
US-9775823-B2 · Oct 3, 2017 · US
3-aryl propiolonitrile compounds for thiol labeling
US-2017210700-A1 · Jul 27, 2017 · US
Additive formulation and composition for lithium ion battery and lithium ion battery comprising the same
US-2017187076-A1 · Jun 29, 2017 · US
Compound for organic light-emitting device, cross-linked material thereof, and organic light-emitting device including cross-linked material
US-2017162789-A1 · Jun 8, 2017 · US
Methods for the preparation of charged crosslinkers
US-9663492-B2 · May 30, 2017 · US
3-aryl propiolonitrile compounds for thiol labeling
US-9663454-B2 · May 30, 2017 · US
Integrin antagonist conjugates for targeted delivery to cells expressing LFA-1
US-9650363-B2 · May 16, 2017 · US
Prodrugs of fumarates and their use in treating various diseases
US-2017095439-A1 · Apr 6, 2017 · US
Integrin antagonist conjugates for targeted delivery to cells expressing alpha-V-beta-3
US-9586916-B2 · Mar 7, 2017 · US
Catechol-rich polymers from N-substituted maleimides
US-9540462-B2 · Jan 10, 2017 · US
Radioiodinated bioconjugation reagents
US-2017001957-A1 · Jan 5, 2017 · US
Cytotoxic and anti-mitotic compounds, and methods of using the same
US-9522876-B2 · Dec 20, 2016 · US
Prodrugs of fumarates and their use in treating various diseases
US-9505776-B2 · Nov 29, 2016 · US
Optical film, circularly polarizing plate, and image display device
US-9500790-B2 · Nov 22, 2016 · US
Reversible pegylated drugs
US-2016324975-A1 · Nov 10, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D207/452?
- CPC C07D207/452 is the Cooperative Patent Classification code for “with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom.”
- How many patents are filed under CPC C07D207/452 (with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom)?
- Our database includes 221 publications tagged with this CPC code.
- Is patent activity under CPC C07D207/452 growing?
- Publication counts under this code: 23 in 2024 vs 11 in 2025 (latest complete years).