Lipids and lipid nanoparticle formulations for delivery of nucleic acids
US-9738593-B2 · Aug 22, 2017 · US
by reactions not involving the amino or carboxyl groups
by reactions not involving the amino or carboxyl groups · 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 | C07C227/16 |
| Official title | by reactions not involving the amino or carboxyl groups |
| Display label | by reactions not involving the amino or carboxyl groups |
| Total patents | 194 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 25 |
| 2017 | 19 |
| 2018 | 24 |
| 2019 | 17 |
| 2020 | 23 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compounds and compositions for intracellular delivery of therapeutic agents
US-2017210698-A1 · Jul 27, 2017 · US
A process for preparation of levothyroxine and salts thereof
US-2017183292-A1 · Jun 29, 2017 · US
Modulators of pharmacokinetic properties of therapeutics
US-2017143680-A1 · May 25, 2017 · US
Synthesis of (s)-2-acetamido-3-(4-hydroxy-3-(3-methylbut-2-enyl) phenyl) propanoic acid derivatives
US-2017114004-A1 · Apr 27, 2017 · US
Salts of carnitine derivatives and methods of production
US-9573883-B2 · Feb 21, 2017 · US
Preparation of 18F-FLUCICLOVINE
US-2016355460-A1 · Dec 8, 2016 · US
Process for preparing fluoroleucine alkyl esters
US-9493400-B2 · Nov 15, 2016 · US
Radioiodinated compounds
US-2016326109-A1 · Nov 10, 2016 · US
PREPARATION OF Ag18F AND ITS USE IN THE SYNTHESIS OF PET RADIOTRACERS
US-2016317682-A1 · Nov 3, 2016 · US
Digital microfluidic platform for radiochemistry
US-9481615-B2 · Nov 1, 2016 · US
Modulators of pharmacokinetic properties of therapeutics
US-2016303088-A1 · Oct 20, 2016 · US
Catalytic Hydrogenation for Producing Amines from Carboxylic Acid Amides, Carboxylic Acid Diamides, Di-, Tri-, or Polypeptides, or Peptide Amides
US-2016272571-A1 · Sep 22, 2016 · US
Cyclopropyl Derivatives and Methods of Use
US-2016244403-A1 · Aug 25, 2016 · US
Mononuclear iron complex and organic synthesis reaction using same
US-9421532-B2 · Aug 23, 2016 · US
Synthesis of acetal compounds
US-2016237185-A1 · Aug 18, 2016 · US
Salts, crystals, complexes, and derivatives of threonine diacetic acid, a process to prepare threonine diacetic acid, and the use thereof
US-9416095-B2 · Aug 16, 2016 · US
Photoremovable protecting groups and uses thereof
US-2016228845-A1 · Aug 11, 2016 · US
Process for producing amine compounds
US-9376372-B2 · Jun 28, 2016 · US
New Salts, Crystals, Complexes, and Derivatives of Threonine Diacetic Acid, a Process to Prepare threonine Diacetic Acid, and the Use Thereof
US-2016159730-A1 · Jun 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C227/16?
- CPC C07C227/16 is the Cooperative Patent Classification code for “by reactions not involving the amino or carboxyl groups.”
- How many patents are filed under CPC C07C227/16 (by reactions not involving the amino or carboxyl groups)?
- Our database includes 194 publications tagged with this CPC code.
- Is patent activity under CPC C07C227/16 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).