Thermally expandable compositions comprising a chemical blowing agent
US-12534587-B2 · Jan 27, 2026 · US
Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof · 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 | C08J9/104 |
| Official title | {Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof} |
| Display label | Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof |
| Total patents | 41 |
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 | 2 |
| 2016 | 1 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Foaming curable composition
US-2025282922-A1 · Sep 11, 2025 · US
Compositions and foam compositions containing composite particles, articles, composite particles, and methods
US-12110375-B2 · Oct 8, 2024 · US
Compositions and Foam Compositions Containing Composite Particles, Articles, Composite Particles, and Methods
US-2023383080-A1 · Nov 30, 2023 · US
Compositions and foam compositions containing composite particles, articles, composite particles, and methods
US-11767406-B2 · Sep 26, 2023 · US
Preparation method of super absorbent polymer
US-11712678-B2 · Aug 1, 2023 · US
Composite with direct bonding between rubber and foam
US-11691395-B2 · Jul 4, 2023 · US
Organic amine salt foamer
US-11634552-B2 · Apr 25, 2023 · US
Thermally expandable compositions comprising an endothermic blowing agent
US-2022403128-A1 · Dec 22, 2022 · US
Ductile one-component thermosetting epoxy composition
US-11447599-B2 · Sep 20, 2022 · US
Thermally expandable compositions comprising a chemical blowing agent
US-2022227955-A1 · Jul 21, 2022 · US
Compositions and Foam Compositions Containing Composite Particles, Articles, Composite Particles, and Methods
US-2022177663-A1 · Jun 9, 2022 · US
Gas generating agent, foamable composition, foam, and method of producing foam
US-2022169815-A1 · Jun 2, 2022 · US
Eva compositions for footwear
US-2022106472-A1 · Apr 7, 2022 · US
Bio-based EVA compositions and articles and methods thereof
US-11267959-B2 · Mar 8, 2022 · US
Organic amine salt compounds having CO2-donating anions and their use as foaming agent
US-11261153-B2 · Mar 1, 2022 · US
Pumpable, thermally expandable preparation
US-2022033660-A1 · Feb 3, 2022 · US
Pumpable, thermally curable and expandable preparations
US-2022033604-A1 · Feb 3, 2022 · US
Heat expandable foam for low temperature cure
US-11192995-B2 · Dec 7, 2021 · US
Ductile one-component thermosetting epoxy composition
US-2021292470-A1 · Sep 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J9/104?
- CPC C08J9/104 is the Cooperative Patent Classification code for “Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof.”
- How many patents are filed under CPC C08J9/104 (Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C08J9/104 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).