Composition and methods for tumor imaging and treatment
US-2025064989-A1 · Feb 27, 2025 · US
to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups
to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso 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 | C07C271/52 |
| Official title | to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups |
| Display label | to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition and methods for tumor imaging and treatment
US-12138320-B2 · Nov 12, 2024 · US
Conjugates undergoing intramolecular rearrangements
US-2023110994-A1 · Apr 13, 2023 · US
DNP and DNP Prodrug Treatment of Neuromuscular, Neurodegenerative, Autoimmune, Developmental, Traumatic Brain Injury, Concussion, Dry Eye Disease, Hearing Loss and/or Metabolic Diseases
US-2023100940-A1 · Mar 30, 2023 · US
DNP and DNP prodrug treatment of neuromuscular, neurodegenerative, autoimmune, developmental, traumatic brain injury, concussion, dry eye disease, hearing loss and/or metabolic diseases
US-11406642-B2 · Aug 9, 2022 · US
Modulators of the eIF2alpha pathway
US-11220477-B2 · Jan 11, 2022 · US
Composition and methods for tumor imaging and treatment
US-2021346525-A1 · Nov 11, 2021 · US
Isocyanate composition, method for producing isocyanate composition, and method for producing isocyanate polymer
US-11118001-B2 · Sep 14, 2021 · US
Chemical compounds
US-2021253528-A1 · Aug 19, 2021 · US
Chemically activated water-soluble prodrug
US-2020207782-A1 · Jul 2, 2020 · US
DNP and DNP Prodrug Treatment of Neuromuscular, Neurodegenerative, Autoimmune, Developmental, Traumatic Brain Injury, Concussion, Dry Eye Disease, Hearing Loss and/or Metabolic Diseases
US-2020093831-A1 · Mar 26, 2020 · US
Isocyanate composition, method for producing isocyanate composition, and method for producing isocyanate polymer
US-2020048403-A1 · Feb 13, 2020 · US
DNP and DNP prodrug treatment of neuromuscular, neurodegenerative, autoimmune, developmental, traumatic brain injury, concussion, dry eye disease, hearing loss and/or metabolic diseases
US-10548900-B2 · Feb 4, 2020 · US
Modulators of the eif2alpha pathway
US-2019375704-A1 · Dec 12, 2019 · US
Modulators of the eIF2alpha pathway
US-10343981-B2 · Jul 9, 2019 · US
Polyisocyanate composition and isocyanate polymer composition
US-10301417-B2 · May 28, 2019 · US
Polyisocyanate composition and isocyanate polymer composition
US-10125212-B2 · Nov 13, 2018 · US
Reaction method accompanied by production of gas component
US-10118110-B2 · Nov 6, 2018 · US
Modulators of the eif2alpha pathway
US-2017342020-A1 · Nov 30, 2017 · US
Polyisocyanate Composition and Isocyanate Polymer Composition
US-2017298169-A1 · Oct 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C271/52?
- CPC C07C271/52 is the Cooperative Patent Classification code for “to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups.”
- How many patents are filed under CPC C07C271/52 (to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C07C271/52 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).