Diazonium compounds and methods of use for dna cleavage
US-2025170265-A1 · May 29, 2025 · US
Diazonium compounds
Diazonium compounds · 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 | C07C245/20 |
| Official title | Diazonium compounds |
| Display label | Diazonium compounds |
| Total patents | 47 |
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 | 5 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions and Methods for Selective Labeling of Secondary Amines
US-2025059229-A1 · Feb 20, 2025 · US
Process for catalytic hydrogenation of halonitroaromatics
US-11820725-B2 · Nov 21, 2023 · US
Nanomaterials coated with calixarenes
US-2023101856-A1 · Mar 30, 2023 · US
A continuous process for the synthesis of azo dyes involving in-situ generation of diazonium salts
US-2022389226-A1 · Dec 8, 2022 · US
Process for preparation of 5-bromo-1,3-dichloro-2-fluoro-benzene
US-11440861-B2 · Sep 13, 2022 · US
Process for catalytic hydrogenation of halonitroaromatics
US-2022098141-A1 · Mar 31, 2022 · US
Process for preparation of 5-bromo-1,3-dichloro-2-fluoro-benzene
US-2022017439-A1 · Jan 20, 2022 · US
Process for catalytic hydrogenation of halonitroaromatics
US-11225454-B2 · Jan 18, 2022 · US
AZO dye for waterless dyeing of natural fibers in supercritical CO2 fluid, and preparation method thereof
US-11193024-B2 · Dec 7, 2021 · US
Azo dye for waterless dyeing of natural fibers in supercritical co2 fluid, and preparation method thereof
US-2021332245-A1 · Oct 28, 2021 · US
Bioadhesives
US-11155568-B2 · Oct 26, 2021 · US
Materials coated with calixarenes
US-11124617-B2 · Sep 21, 2021 · US
N-transfer reagent and method for preparing the same and its application
US-11040939-B1 · Jun 22, 2021 · US
Macrocyclic polyphenols for universal coatings
US-10995225-B2 · May 4, 2021 · US
Novel mediator
US-2021115489-A1 · Apr 22, 2021 · US
Process for catalytic hydrogenation of halonitroaromatics
US-2020223784-A1 · Jul 16, 2020 · US
Method for preparing substituted 2,3-dihydro-1-benzofuran derivatives
US-10710972-B2 · Jul 14, 2020 · US
Method for preparing substituted 2,3-dihydro-1-benzofuran derivatives
US-2020190047-A1 · Jun 18, 2020 · US
Methods of making and using lignin derivatives
US-2020095270-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C245/20?
- CPC C07C245/20 is the Cooperative Patent Classification code for “Diazonium compounds.”
- How many patents are filed under CPC C07C245/20 (Diazonium compounds)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C07C245/20 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).