Optical filter, and camera module and electronic device comprising the same
US-11181673-B2 · Nov 23, 2021 · US
Diazo and polyazo compounds
Diazo and polyazo 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 | C08K5/235 |
| Official title | {Diazo and polyazo compounds} |
| Display label | Diazo and polyazo compounds |
| Total patents | 104 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polysiloxane, composition comprising the same and cured film using the same
US-2021171718-A1 · Jun 10, 2021 · US
Polymer-Based Burn-Out Material For The Lost-Wax Technique
US-2021171685-A1 · Jun 10, 2021 · US
Thermoplastic resin composition and molded article thereof
US-11002883-B2 · May 11, 2021 · US
Photochromic mixture, formation method and application of photochromic device
US-10961402-B2 · Mar 30, 2021 · US
Fuel-cell catalyst ink additives to inhibit ionomer permeation
US-2021066726-A1 · Mar 4, 2021 · US
Electrically conductive resin composition and method for producing same
US-2021043336-A1 · Feb 11, 2021 · US
Black photosensitive resin composition and black column spacer prepared therefrom
US-10884335-B2 · Jan 5, 2021 · US
Polyvinyl alcohol and method for producing same
US-10766978-B2 · Sep 8, 2020 · US
Polymerizable composition for optical material and optical material and plastic lens obtained from same composition
US-10723862-B2 · Jul 28, 2020 · US
Photocurable composition having low shrinkage after curing
US-2020201178-A1 · Jun 25, 2020 · US
Composition, and optical film including the composition
US-10683456-B2 · Jun 16, 2020 · US
Inkjet ink composition
US-2020115569-A1 · Apr 16, 2020 · US
Photosensitive resin composition, photosensitive resin layer and electronic device using the same
US-2020103752-A1 · Apr 2, 2020 · US
Chelator-functionalized glycosaminoglycans
US-2020062869-A1 · Feb 27, 2020 · US
Composition, optical film including composition, and method of producing optical film
US-10557978-B2 · Feb 11, 2020 · US
Optical film
US-10501480-B2 · Dec 10, 2019 · US
Method for Analyzing Acrylic Acid Content in Acrylic Adhesive Resin Copolymer
US-2019360918-A1 · Nov 28, 2019 · US
Photocurable composition and method for manufacturing film
US-10472445-B2 · Nov 12, 2019 · US
Adherend recovery method, adherend recovery apparatus, gas-generating film and resin composition
US-10415011-B2 · Sep 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/235?
- CPC C08K5/235 is the Cooperative Patent Classification code for “Diazo and polyazo compounds.”
- How many patents are filed under CPC C08K5/235 (Diazo and polyazo compounds)?
- Our database includes 104 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/235 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).