A new method of 18f labelling and intermediate salts
US-2023099421-A1 · Mar 30, 2023 · US
by reaction with aldehydes or ketones
by reaction with aldehydes or ketones · 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 | C07C29/38 |
| Official title | by reaction with aldehydes or ketones |
| Display label | by reaction with aldehydes or ketones |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 7 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Recycle content glycol esters
US-2022396546-A1 · Dec 15, 2022 · US
Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
US-2022348534-A1 · Nov 3, 2022 · US
Production apparatus and production method of triptane
US-2022227684-A1 · Jul 21, 2022 · US
Process to recover 3-methyl-but-3-en-1-ol
US-2022169586-A1 · Jun 2, 2022 · US
Method for synthesizing 2-(1-cyclohexenyl)ethylamine
US-11299451-B2 · Apr 12, 2022 · US
Method for manufacturing isopulegol
US-11225448-B2 · Jan 18, 2022 · US
Method for synthesizing 2-(1-cyclohexenyl)ethylamine
US-2022002224-A1 · Jan 6, 2022 · US
Method for producing conjugated diene
US-11198657-B2 · Dec 14, 2021 · US
Ethynylation of polyunsaturated aldehydes and ketones
US-2021276935-A1 · Sep 9, 2021 · US
Method for manufacturing isopulegol
US-2021238115-A1 · Aug 5, 2021 · US
Process To Produce Distillate From Light Alkanes
US-2021179511-A1 · Jun 17, 2021 · US
Synthesis of sodium formate and drilling fluid comprising the same
US-10919833-B2 · Feb 16, 2021 · US
Process for recovering 3-methylbut-3-en-1-ol
US-10919827-B2 · Feb 16, 2021 · US
Radiolabeling agents, methods of making, and methods of use thereof
US-2021032184-A1 · Feb 4, 2021 · US
Method for producing gamma, delta-unsaturated alcohol
US-10807930-B2 · Oct 20, 2020 · US
Process for preparing an unsaturated alcohol
US-10766840-B2 · Sep 8, 2020 · US
Process for recovering 3-methylbut-3-en-1-ol
US-2020239394-A1 · Jul 30, 2020 · US
Process for the production of 2-alkylalkanol
US-10717692-B2 · Jul 21, 2020 · US
Fluoroalkylating agent
US-10696640-B2 · Jun 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/38?
- CPC C07C29/38 is the Cooperative Patent Classification code for “by reaction with aldehydes or ketones.”
- How many patents are filed under CPC C07C29/38 (by reaction with aldehydes or ketones)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/38 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).