Water-soluble azo compound or salt thereof, ink and recording medium
US-11512203-B2 · Nov 29, 2022 · US
Other substituted melamines
Other substituted melamines · 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 | C07D251/70 |
| Official title | Other substituted melamines |
| Display label | Other substituted melamines |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photosensitive composition, film, optical filter, solid-state imaging element, and image display device
US-2022332970-A1 · Oct 20, 2022 · US
Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereof
US-11472999-B1 · Oct 18, 2022 · US
Curable composition, cured product, and compound
US-2022177673-A1 · Jun 9, 2022 · US
Curable composition, cured product, and compound
US-2022177641-A1 · Jun 9, 2022 · US
Method of producing carbonyl compound and flow type reaction system of producing carbonyl compound
US-2022144760-A1 · May 12, 2022 · US
Process for preparing a triazine-based precursor, the precursor prepared thereby, a method for producing a micro-particulate complex using the precursor, and the micro-particulate complex produced thereby
US-11299504-B2 · Apr 12, 2022 · US
Cftr regulators and methods of use thereof
US-2022081402-A1 · Mar 17, 2022 · US
Melamine-polyethers as dispersants in non-aqueous, liquid pigment compositions
US-11242467-B2 · Feb 8, 2022 · US
CFTR regulators and methods of use thereof
US-11230535-B2 · Jan 25, 2022 · US
Water-soluble azo compound or salt thereof, ink and recording medium
US-2021292566-A1 · Sep 23, 2021 · US
Surface modified nanoparticles
US-11053436-B2 · Jul 6, 2021 · US
Polyester resin composition containing amino-triazine derivative
US-10899720-B2 · Jan 26, 2021 · US
Process for Preparing a Triazine-Based Precursor, the Precursor Prepared Thereby, a Method for Producing a Micro-Particulate Complex Using the Precursor, and the Micro-Particulate Complex Produced Thereby
US-2020369687-A1 · Nov 26, 2020 · US
Melamine-polyethers as dispersants in non-aqueous, liquid pigment compositions
US-2020332142-A1 · Oct 22, 2020 · US
Surface modified nanoparticles
US-2020263086-A1 · Aug 20, 2020 · US
Cftr regulators and methods of use thereof
US-2020181097-A1 · Jun 11, 2020 · US
Surface modified nanoparticles
US-10669475-B2 · Jun 2, 2020 · US
Composition, film, lens, solid state imaging element, and compounds
US-2020116896-A1 · Apr 16, 2020 · US
CFTR regulators and methods of use thereof
US-10604492-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D251/70?
- CPC C07D251/70 is the Cooperative Patent Classification code for “Other substituted melamines.”
- How many patents are filed under CPC C07D251/70 (Other substituted melamines)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC C07D251/70 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).