(6z,9z)-6,9-dodecadien-1-yne and a process for preparing the same
US-2022332667-A1 · Oct 20, 2022 · US
increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence)
increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence) · 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 | C07C29/44 |
| Official title | increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence) |
| Display label | increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence) |
| Total patents | 72 |
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 | 8 |
| 2016 | 9 |
| 2017 | 6 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing alkanediols
US-2022242808-A1 · Aug 4, 2022 · US
Method for producing conjugated diene
US-11198657-B2 · Dec 14, 2021 · US
Method for producing organic compound
US-2021371391-A1 · Dec 2, 2021 · US
Synthesis of aliphatic alcohols as aroma chemicals
US-2021188748-A1 · Jun 24, 2021 · US
Methods and compositions for the catalytic upgrading of alcohols
US-2021163386-A1 · Jun 3, 2021 · US
Compounds and synthetic methods for the preparation of retinoid x receptor-specific retinoids
US-2021139404-A1 · May 13, 2021 · US
Method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by heterogeneous cobalt catalysis
US-10968187-B2 · Apr 6, 2021 · US
Nitrogen and/or oxygen-containing hydrofluoroolefins and methods of making and using the same
US-10934247-B2 · Mar 2, 2021 · US
Compounds and synthetic methods for the preparation of retinoid X receptor-specific retinoids
US-10919835-B2 · Feb 16, 2021 · US
Method for Preparing Crosslinker Compound
US-2021024451-A1 · Jan 28, 2021 · US
Methods and compositions for the catalytic upgrading of alcohols
US-10882807-B2 · Jan 5, 2021 · US
Hydrogenation and ethynylation catalysts
US-10744490-B2 · Aug 18, 2020 · US
Compounds and synthetic methods for the preparation of retinoid x receptor-specific retinoids
US-2020190008-A1 · Jun 18, 2020 · US
Method for Preparation of Alkylated or Fluoro, Chloro and Fluorochloro Alkylated Compounds by Heterogeneous Cobalt Catalysis
US-2020157063-A1 · May 21, 2020 · US
Compounds and synthetic methods for the preparation of retinoid X receptor-specific retinoids
US-10590059-B2 · Mar 17, 2020 · US
Cyclopropanation of substituted alkenes
US-10584080-B2 · Mar 10, 2020 · US
Nitrogen and/or oxygen-containing hydrofluoroolefins and methods of making and using the same
US-2020071258-A1 · Mar 5, 2020 · US
Hydrogenation and ethynylation catalysts
US-2020055032-A1 · Feb 20, 2020 · US
Processes for preparing vinylidene dimer derivatives
US-10501393-B2 · Dec 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/44?
- CPC C07C29/44 is the Cooperative Patent Classification code for “increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence).”
- How many patents are filed under CPC C07C29/44 (increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon double or triple bond (C07C29/16 takes precedence))?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/44 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).