Semi-crystalline polyolefin-based additive masterbatch composition
US-2019248993-A1 · Aug 15, 2019 · US
Carboxylic acid hydrazides
Carboxylic acid hydrazides · 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 | C08K5/25 |
| Official title | Carboxylic acid hydrazides |
| Display label | Carboxylic acid hydrazides |
| Total patents | 209 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 11 |
| 2017 | 14 |
| 2018 | 18 |
| 2019 | 13 |
| 2020 | 24 |
| 2021 | 23 |
| 2022 | 26 |
| 2023 | 19 |
| 2024 | 22 |
| 2025 | 25 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyurethanes having a reduced aldehyde emission
US-2019119460-A1 · Apr 25, 2019 · US
Coating compositions, elastic barrier coatings formed therefrom, and methods of applying such coatings
US-2019085200-A1 · Mar 21, 2019 · US
Crosslinked Polyethylene Composition
US-2019077941-A1 · Mar 14, 2019 · US
Aqueous multi-stage emulsion copolymer compositions for use in joinery applications
US-10190002-B2 · Jan 29, 2019 · US
Thermal interface material with ion scavenger
US-10155894-B2 · Dec 18, 2018 · US
Bituminous compositions comprising additives having improved thermoreversible properties
US-10131788-B2 · Nov 20, 2018 · US
Paint composition
US-10119040-B2 · Nov 6, 2018 · US
Method for producing rubber composition, and rubber composition
US-10087292-B2 · Oct 2, 2018 · US
Binder composition for heat-sealable film coatings
US-2018265712-A1 · Sep 20, 2018 · US
Rubber composition, tread member and pneumatic tire, and process for producing rubber composition
US-2018265681-A1 · Sep 20, 2018 · US
Hydrazide compounds suitable for nucleating polylactic acid polymer
US-2018186728-A1 · Jul 5, 2018 · US
Pneumatic tire for airplanes
US-2018162165-A1 · Jun 14, 2018 · US
Stain repellent and voc eliminating coatings and use thereof
US-2018148581-A1 · May 31, 2018 · US
Acrylic-urethane IPN plastisol
US-9976047-B2 · May 22, 2018 · US
Tire member, tire, tire member manufacturing method, and tire manufacturing method
US-2018105675-A1 · Apr 19, 2018 · US
Aqueous dispersion of adsorbing polymer particles and crosslinkable polymer particles
US-2018094160-A1 · Apr 5, 2018 · US
Production method for rubber composition
US-9920184-B2 · Mar 20, 2018 · US
Aqueous dispersion of keto-functionalized polymer particles and polymer beads
US-2018072913-A1 · Mar 15, 2018 · US
Stain repellent and VOC eliminating coatings and use thereof
US-9914839-B2 · Mar 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/25?
- CPC C08K5/25 is the Cooperative Patent Classification code for “Carboxylic acid hydrazides.”
- How many patents are filed under CPC C08K5/25 (Carboxylic acid hydrazides)?
- Our database includes 209 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/25 growing?
- Publication counts under this code: 22 in 2024 vs 25 in 2025 (latest complete years).