Method for producing vinyl ether polymer having hydroxyl group on side chain and temperature-responsive polymer mixture
US-2018371127-A1 · Dec 27, 2018 · US
Azo-compounds
Azo-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 | C08F4/04 |
| Official title | Azo-compounds |
| Display label | Azo-compounds |
| Total patents | 216 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 21 |
| 2017 | 14 |
| 2018 | 14 |
| 2019 | 20 |
| 2020 | 21 |
| 2021 | 22 |
| 2022 | 32 |
| 2023 | 12 |
| 2024 | 19 |
| 2025 | 25 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of preparing compositions for containers and other articles and methods of using same
US-10113027-B2 · Oct 30, 2018 · US
Initiator for Surface-Based Polymerization and Use Thereof
US-2018282464-A1 · Oct 4, 2018 · US
Diblock copolymer containing fluorine group
US-10087270-B2 · Oct 2, 2018 · US
Process for producing water-absorbent resin
US-10065173-B2 · Sep 4, 2018 · US
Initiator for surface-based polymerization and use thereof
US-10011674-B2 · Jul 3, 2018 · US
Improved method for producing hydroxyl group-containing vinyl ether polymer
US-2018179305-A1 · Jun 28, 2018 · US
Radical polymerization initiator, multi-branched polymer, varnish, adhesive agent, coating material, sealing material, semiconductor, and electronic device
US-9944732-B2 · Apr 17, 2018 · US
Diblock Copolymer Containing Fluorine Group
US-2018086866-A1 · Mar 29, 2018 · US
Living radical polymerization catalyst, and polymer production method using same
US-9926386-B2 · Mar 27, 2018 · US
High alcohol tolerant copolymers and terpolymers based on polyvinyl alcohols
US-2018079839-A1 · Mar 22, 2018 · US
Method of manufacturing water-absorbent resin, water-absorbent resin, water-absorbing agent and absorbent article
US-9873755-B2 · Jan 23, 2018 · US
Polymer and method for producing same
US-9840568-B2 · Dec 12, 2017 · US
Process for producing polydienes
US-9796800-B2 · Oct 24, 2017 · US
Method for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution
US-9777078-B2 · Oct 3, 2017 · US
Hydrophilic thickener and cosmetic composition
US-9763869-B2 · Sep 19, 2017 · US
Highly branched lipophilic polymer, and photopolymerizable composition containing the same
US-9708486-B2 · Jul 18, 2017 · US
Method for producing vinylamine unit-containing polymer and polymerization product
US-2017183425-A1 · Jun 29, 2017 · US
Initiator for surface-based polymerization and use thereof
US-2017166676-A1 · Jun 15, 2017 · US
Water soluble cross-linked block copolymers
US-2017145138-A1 · May 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/04?
- CPC C08F4/04 is the Cooperative Patent Classification code for “Azo-compounds.”
- How many patents are filed under CPC C08F4/04 (Azo-compounds)?
- Our database includes 216 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/04 growing?
- Publication counts under this code: 19 in 2024 vs 25 in 2025 (latest complete years).