Compositions and methods for the purification of squalene
US-2025376427-A1 · Dec 11, 2025 · US
Alkatrienes; Alkatetraenes; Other alkapolyenes
Alkatrienes; Alkatetraenes; Other alkapolyenes · 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 | C07C11/21 |
| Official title | Alkatrienes; Alkatetraenes; Other alkapolyenes |
| Display label | Alkatrienes; Alkatetraenes; Other alkapolyenes |
| Total patents | 52 |
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 | 4 |
| 2016 | 7 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compound, composition, surface treatment agent, method of producing article, and article
US-2025026958-A1 · Jan 23, 2025 · US
Process for preparing diene
US-12103898-B2 · Oct 1, 2024 · US
Vaccine adjuvants and methods of synthesizing and using the same
US-2023321228-A1 · Oct 12, 2023 · US
Organic light emitting device, crosslinking agent compound for organic light emitting device and manufacturing method of the organic light emitting device
US-11780790-B2 · Oct 10, 2023 · US
Process for preparing diene
US-2023265025-A1 · Aug 24, 2023 · US
Vehicular vision system with console video display and mirror video display for exterior viewing cameras
US-11679719-B2 · Jun 20, 2023 · US
Raw material for chemical deposition containing ruthenium complex, and chemical deposition method using the raw material for chemical deposition
US-11434563-B2 · Sep 6, 2022 · US
Vehicular vision system with console video display and mirror video display for exterior viewing cameras
US-2022153663-A1 · May 19, 2022 · US
Vehicular vision system with center stack display and mirror display for surround view and CMS cameras
US-11242008-B2 · Feb 8, 2022 · US
Raw material for chemical deposition containing ruthenium complex, and chemical deposition method using the raw material for chemical deposition
US-2022018018-A1 · Jan 20, 2022 · US
Organic light emitting device, crosslinking agent compound for organic light emitting device and manufacturing method of the organic light emitting device
US-2021347714-A1 · Nov 11, 2021 · US
Vehicular vision system with center stack display and mirror display for surround view and cms cameras
US-2021245662-A1 · Aug 12, 2021 · US
Methods for preparing squalene
US-11077186-B2 · Aug 3, 2021 · US
Synthesis of e,e-farnesol, farnesyl acetate and squalene from farnesene via farnesyl chloride
US-2021114953-A1 · Apr 22, 2021 · US
Stabilization and hydrogenation methods for microbial-derived olefins
US-10894754-B2 · Jan 19, 2021 · US
Process for the production of springene
US-2020399189-A1 · Dec 24, 2020 · US
Catalytic process for diene dimerization
US-2020181041-A1 · Jun 11, 2020 · US
Catalytic process for diene dimerization
US-10647631-B2 · May 12, 2020 · US
Methods for preparing squalene
US-2020061187-A1 · Feb 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C11/21?
- CPC C07C11/21 is the Cooperative Patent Classification code for “Alkatrienes; Alkatetraenes; Other alkapolyenes.”
- How many patents are filed under CPC C07C11/21 (Alkatrienes; Alkatetraenes; Other alkapolyenes)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C07C11/21 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).