Sodium diacetate crystal and solid dialysis preparation comprising said crystal
US-9840452-B2 · Dec 12, 2017 · US
Preparation of salts of carboxylic acids ({C07C51/093 - C07C51/34 take precedence} preparation of soap C11D)
Preparation of salts of carboxylic acids ({C07C51/093 - C07C51/34 take precedence} preparation of soap C11D) · 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 | C07C51/41 |
| Official title | Preparation of salts of carboxylic acids ({C07C51/093 - C07C51/34 take precedence} preparation of soap C11D) |
| Display label | Preparation of salts of carboxylic acids ({C07C51/093 - C07C51/34 take precedence} preparation of soap C11D) |
| Total patents | 200 |
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 | 28 |
| 2016 | 20 |
| 2017 | 20 |
| 2018 | 16 |
| 2019 | 23 |
| 2020 | 23 |
| 2021 | 22 |
| 2022 | 12 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for the dehydration of lactate salt to acrylic acid or acrylic salt
US-9828325-B2 · Nov 28, 2017 · US
Salts of treprostinil
US-2017267619-A1 · Sep 21, 2017 · US
Mixture of polyfluoroalkene carboxylic acids or salts thereof and process for producing the same
US-2017226039-A1 · Aug 10, 2017 · US
Salts of treprostinil
US-9701611-B2 · Jul 11, 2017 · US
Process to prepare treprostinil, the active ingredient in remodulin®
US-2017144958-A1 · May 25, 2017 · US
Process to prepare treprostinil, the active ingredient in remodulin®
US-2017144957-A1 · May 25, 2017 · US
Salts of treprostinil
US-2017073295-A1 · Mar 16, 2017 · US
Process to prepare treprostinil, the active ingredient in remodulin®
US-9593066-B2 · Mar 14, 2017 · US
Organic zinc catalyst, preparation method thereof, and method of preparing poly(alkylene carbonate) resin using the same
US-2017029563-A1 · Feb 2, 2017 · US
Method for producing acrylic acid from glycerol
US-9546124-B2 · Jan 17, 2017 · US
Method for producing iron carboxylate
US-9540308-B2 · Jan 10, 2017 · US
Process for preparing a diamine/dicarboxylic acid salt
US-2016376220-A1 · Dec 29, 2016 · US
Radiation-sensitive resin composition, resist pattern-forming method, acid diffusion control agent, compound, and method for producing compound
US-9529259-B2 · Dec 27, 2016 · US
Activated carbon-metal organic framework composite materials with enhanced gas adsorption capacity and process for the preparation thereof
US-2016339411-A1 · Nov 24, 2016 · US
2-aryl-zinc-propionate catalyst and preparation method and use thereof
US-2016326085-A1 · Nov 10, 2016 · US
Method for separating mandelic compounds in salified form and use of same for preparing aromatic aldehyde
US-2016318839-A1 · Nov 3, 2016 · US
Process for preparing a diamine/dicarboxylic acid salt
US-9475753-B2 · Oct 25, 2016 · US
Novel sodium diacetate crystal and solid dialysis preparation comprising said crystal
US-2016272566-A1 · Sep 22, 2016 · US
Method For The Dehydration Of Lactate Salt To Acrylic Acid Or Acrylic Salt
US-2016264507-A1 · Sep 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C51/41?
- CPC C07C51/41 is the Cooperative Patent Classification code for “Preparation of salts of carboxylic acids ({C07C51/093 - C07C51/34 take precedence} preparation of soap C11D).”
- How many patents are filed under CPC C07C51/41 (Preparation of salts of carboxylic acids ({C07C51/093 - C07C51/34 take precedence} preparation of soap C11D))?
- Our database includes 200 publications tagged with this CPC code.
- Is patent activity under CPC C07C51/41 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).