Process for dehumidifying moist gas mixtures
US-2017354921-A1 · Dec 14, 2017 · US
with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon 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 | C07D233/56 |
| Official title | with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms |
| Display label | with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms |
| Total patents | 188 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 25 |
| 2017 | 29 |
| 2018 | 19 |
| 2019 | 20 |
| 2020 | 18 |
| 2021 | 10 |
| 2022 | 10 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing a high purity imidazolium salt
US-9840473-B1 · Dec 12, 2017 · US
Stabilized organophosphorous compounds
US-2017240578-A1 · Aug 24, 2017 · US
Pyridine derivative
US-2017190694-A1 · Jul 6, 2017 · US
Benzamides and related inhibitors of factor XA
US-9629831-B2 · Apr 25, 2017 · US
Amine derivatives as potassium channel blockers
US-2017088519-A1 · Mar 30, 2017 · US
Polycyclic estrogen receptor modulators and uses thereof
US-9586952-B2 · Mar 7, 2017 · US
Method of electroplating photoresist defined features from copper electroplating baths containing reaction products of imidazole and bisepoxide compounds
US-2017037526-A1 · Feb 9, 2017 · US
Energy-sensitive resin composition
US-9529258-B2 · Dec 27, 2016 · US
Sulfonamide derivative and use thereof
US-9527807-B2 · Dec 27, 2016 · US
Polycyclic estrogen receptor modulators and uses thereof
US-2016355508-A1 · Dec 8, 2016 · US
Crystalline germanosilicate materials of new cit-13 topology and methods of preparing the same
US-2016346771-A1 · Dec 1, 2016 · US
Prodrugs of fumarates and their use in treating various diseases
US-9505776-B2 · Nov 29, 2016 · US
Amine derivatives as potassium channel blockers
US-9493451-B2 · Nov 15, 2016 · US
Benzamides and related inhibitors of factor xa
US-2016317511-A1 · Nov 3, 2016 · US
Benzamides and nicotinamides as syk modulators
US-2016318852-A1 · Nov 3, 2016 · US
Cathepsin cysteine protease inhibitors
US-9458181-B2 · Oct 4, 2016 · US
Compounds and compositions for inhibiting the activity of ABL1, ABL2 and BCR-ABL1
US-9458112-B2 · Oct 4, 2016 · US
Azole derivative, method for producing same, intermediate compound, and agricultural or horticultural chemical agent and industrial material protecting agent
US-9440933-B2 · Sep 13, 2016 · US
Method for preparation of medetomidine with chloroacetone
US-9434694-B2 · Sep 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D233/56?
- CPC C07D233/56 is the Cooperative Patent Classification code for “with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms.”
- How many patents are filed under CPC C07D233/56 (with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms)?
- Our database includes 188 publications tagged with this CPC code.
- Is patent activity under CPC C07D233/56 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).