Combinations and uses thereof
US-2018228893-A1 · Aug 16, 2018 · US
two nitrogen atoms
two nitrogen atoms · 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 | C07D473/16 |
| Official title | two nitrogen atoms |
| Display label | two nitrogen atoms |
| Total patents | 181 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 22 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 21 |
| 2020 | 15 |
| 2021 | 16 |
| 2022 | 17 |
| 2023 | 15 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fused pyrimidine-based hydroxamate derivatives
US-9957270-B2 · May 1, 2018 · US
Hiv inhibiting bicyclic pyrimidine derivatives
US-2018016281-A1 · Jan 18, 2018 · US
Substituted quinazolin-4-one derivatives
US-9840498-B2 · Dec 12, 2017 · US
Heterocyclic hydroxamic acids as protein deacetylase inhibitors and dual protein deacetylase-protein kinase inhibitors and methods of use thereof
US-9840520-B2 · Dec 12, 2017 · US
Kinase inhibitors and their uses
US-9834568-B2 · Dec 5, 2017 · US
HIV inhibiting bicyclic pyrimidine derivatives
US-9802943-B2 · Oct 31, 2017 · US
Compositions and Methods for the Delivery of Therapeutics
US-2017304308-A1 · Oct 26, 2017 · US
Calcium channel agonists
US-9796714-B2 · Oct 24, 2017 · US
Purine derivatives for the treatment of viral infections
US-2017283419-A1 · Oct 5, 2017 · US
Compounds that expand hematopoietic stem cells
US-2017239296-A1 · Aug 24, 2017 · US
Chemical compounds, compositions and methods for kinase modulation
US-9738644-B2 · Aug 22, 2017 · US
Alternative nucleic acid molecules and uses thereof
US-2017136131-A1 · May 18, 2017 · US
Quinolizinone derivatives as pi3k inhibitors
US-2017137421-A1 · May 18, 2017 · US
Heterocyclic Hydroxamic Acids as Protein Deacetylase Inhibitors and Dual Protein Deacetylase-Protein Kinase Inhibitors and Methods of Use Thereof
US-2017081343-A1 · Mar 23, 2017 · US
Compounds that expand hematopoietic stem cells
US-9580426-B2 · Feb 28, 2017 · US
Fused Pyrimidine-Based Hydroxamate Derivatives
US-2017044162-A1 · Feb 16, 2017 · US
Purine derivatives for the treatment of viral infections
US-9556176-B2 · Jan 31, 2017 · US
2,6,7,8 substituted purines as HDM2 inhibitors
US-9540377-B2 · Jan 10, 2017 · US
Imidazolo-, oxazolo-, and thiazolopyrimidine modulators of trpv1
US-2016376291-A1 · Dec 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D473/16?
- CPC C07D473/16 is the Cooperative Patent Classification code for “two nitrogen atoms.”
- How many patents are filed under CPC C07D473/16 (two nitrogen atoms)?
- Our database includes 181 publications tagged with this CPC code.
- Is patent activity under CPC C07D473/16 growing?
- Publication counts under this code: 9 in 2024 vs 11 in 2025 (latest complete years).