Lyophilized Pharmaceutical Compositions Comprising A Lipid Nanoparticle
US-2025161221-A1 · May 22, 2025 · US
X or Y being nitrogen atoms
X or Y being nitrogen atoms · 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 | C07C323/44 |
| Official title | X or Y being nitrogen atoms |
| Display label | X or Y being nitrogen atoms |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 4 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biotin-free proximity labeling
US-2025123290-A1 · Apr 17, 2025 · US
Bicyclopentane derivatives
US-2025002452-A1 · Jan 2, 2025 · US
Lyophilized Pharmaceutical Compositions Comprising a Lipid Nanoparticle
US-2024408020-A1 · Dec 12, 2024 · US
Salty taste-enhancing agent and manufacturing method therefor, and salty taste-enhancing method
US-12122736-B2 · Oct 22, 2024 · US
G-alpha-s inhibitors and uses thereof
US-2024336563-A1 · Oct 10, 2024 · US
Cleavable lipids
US-12102720-B2 · Oct 1, 2024 · US
Amide derivatives of n-urea substituted amino acids as formyl peptidereceptor like-1 (fprl-1) receptor modulators
US-2024285584-A1 · Aug 29, 2024 · US
Cleavable Lipids
US-2022202718-A1 · Jun 30, 2022 · US
Amide derivatives of n-urea substituted amino acids as formyl peptide receptor like-1 (fprl-1) receptor modulators
US-2022202777-A1 · Jun 30, 2022 · US
Urea derivative
US-2022144765-A1 · May 12, 2022 · US
Cleavable lipids
US-11234936-B2 · Feb 1, 2022 · US
Histone acetyltransferase activators and uses thereof
US-2021317074-A1 · Oct 14, 2021 · US
Urea derivative
US-2021206716-A1 · Jul 8, 2021 · US
Histone acetyltransferase activators and uses thereof
US-11034647-B2 · Jun 15, 2021 · US
Amide derivatives of N-urea substituted amino acids as formyl peptide receptor like-1 (FPRL-1) receptor modulators
US-10993931-B2 · May 4, 2021 · US
Urea derivative
US-10968169-B2 · Apr 6, 2021 · US
Alkylation method
US-10759747-B2 · Sep 1, 2020 · US
Cleavable Lipids
US-2020237671-A1 · Jul 30, 2020 · US
Cleavable lipids
US-10702478-B2 · Jul 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C323/44?
- CPC C07C323/44 is the Cooperative Patent Classification code for “X or Y being nitrogen atoms.”
- How many patents are filed under CPC C07C323/44 (X or Y being nitrogen atoms)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C07C323/44 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).