4-amino substituted condensed pyrimidine compounds as PDE4 inhibitors
US-9505724-B2 · Nov 29, 2016 · US
Nitrogen atoms
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 | C07D239/94 |
| Official title | Nitrogen atoms |
| Display label | Nitrogen atoms |
| Total patents | 367 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 43 |
| 2016 | 38 |
| 2017 | 42 |
| 2018 | 26 |
| 2019 | 37 |
| 2020 | 42 |
| 2021 | 29 |
| 2022 | 33 |
| 2023 | 20 |
| 2024 | 31 |
| 2025 | 24 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bicyclic heteroaromatic compounds as protein tyrosine kinase inhibitors
US-2016339027-A1 · Nov 24, 2016 · US
Quinazolines and azaquinazolines as dual inhibitors of RAS/RAF/MEK/ERK and PI3K/AKT/PTEN/mTOR pathways
US-9499495-B2 · Nov 22, 2016 · US
Compositions useful for treating disorders related to kit
US-9499522-B2 · Nov 22, 2016 · US
Aminoquinazoline and pyridopyrimidine derivatives
US-2016296525-A1 · Oct 13, 2016 · US
Quinazoline compounds
US-2016250215-A1 · Sep 1, 2016 · US
Aminoquinazoline and pyridopyrimidine derivatives
US-9382241-B2 · Jul 5, 2016 · US
Chemical Process for the Synthesis of 4-(4-bromo-2-fluoroanilino)-6-methoxy-7-(1-methylpiperidin-4-ylmethoxy)quinazoline
US-2016185754-A1 · Jun 30, 2016 · US
Quinazoline derivative, preparation method therefor, intermediate, composition and application thereof
US-9371292-B2 · Jun 21, 2016 · US
Heterocyclic compounds as antibiotic potentiators
US-2016168140-A1 · Jun 16, 2016 · US
Fused heterocyclic compound
US-9328121-B1 · May 3, 2016 · US
Fused heterocyclic compound
US-2016102100-A1 · Apr 14, 2016 · US
Compound for promoting apoptosis of cancer cells and a pharmaceutical composition containing the same and uses thereof
US-2016068495-A1 · Mar 10, 2016 · US
Quinazolines and azaquinazolines as dual inhibitors of ras/raf/mek/erk and pi3k/akt/pten/mtor pathways
US-2016068496-A1 · Mar 10, 2016 · US
4,6-di- and 2,4,6-trisubstituted quinazoline derivatives useful for treating viral infections
US-9259426-B2 · Feb 16, 2016 · US
Fused heterocyclic compound
US-9260436-B2 · Feb 16, 2016 · US
Kinase Inhibitors And Their Uses
US-2016024116-A1 · Jan 28, 2016 · US
C-Met Modulators and Methods of Use
US-2015376133-A1 · Dec 31, 2015 · US
Modulators of vasopressin receptors with therapeutic potential
US-2015376198-A1 · Dec 31, 2015 · US
Sulfoximine substituted quinazolines for pharmaceutical compositions
US-2015361055-A1 · Dec 17, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D239/94?
- CPC C07D239/94 is the Cooperative Patent Classification code for “Nitrogen atoms.”
- How many patents are filed under CPC C07D239/94 (Nitrogen atoms)?
- Our database includes 367 publications tagged with this CPC code.
- Is patent activity under CPC C07D239/94 growing?
- Publication counts under this code: 31 in 2024 vs 24 in 2025 (latest complete years).