Cationic cobalt complexes for asymmetric hydrogenation and methods of making the same
US-2024390882-A1 · Nov 28, 2024 · US
by stereospecific synthesis
by stereospecific synthesis · 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 | C07C227/32 |
| Official title | by stereospecific synthesis |
| Display label | by stereospecific synthesis |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing L-homoserine
US-11840496-B2 · Dec 12, 2023 · US
Method of preparing l-homoserine
US-2022259141-A1 · Aug 18, 2022 · US
Processes for the preparation of deuterated d-serine
US-2022169595-A1 · Jun 2, 2022 · US
Igm compositions and methods of mucosal delivery of these compositions
US-2022017453-A2 · Jan 20, 2022 · US
Igm compositions and methods of mucosal delivery of these compositions
US-2021238122-A1 · Aug 5, 2021 · US
Automated Synthesis of Small Molecules Using Chiral, Non-Racemic Boronates
US-2021009508-A1 · Jan 14, 2021 · US
An improved process for the preparation of droxidopa and its intermediate
US-2020299227-A1 · Sep 24, 2020 · US
Automated synthesis of small molecules using chiral, non-racemic boronates
US-10752577-B2 · Aug 25, 2020 · US
Automated synthesis of small molecules using chiral, non-racemic boronates
US-2019315676-A1 · Oct 17, 2019 · US
Methods and materials for the production of monomers for nylon-4/polyester production
US-10377899-B2 · Aug 13, 2019 · US
Automated synthesis of small molecules using chiral, non-racemic boronates
US-10239824-B2 · Mar 26, 2019 · US
Methods and materials for the production of monomers for nylon-4/polyester production
US-2019062555-A1 · Feb 28, 2019 · US
Method for preparing sitagliptin intermediate via asymmetrical reduction method
US-10189760-B2 · Jan 29, 2019 · US
Chiral N-substituted allylic amine compounds
US-10179330-B2 · Jan 15, 2019 · US
Methods and materials for the production of monomers for nylon-4/polyester production
US-10072150-B2 · Sep 11, 2018 · US
Composition of matter
US-2017361310-A1 · Dec 21, 2017 · US
Method for preparing sitagliptin intermediate via asymmetrical reduction method
US-2017305822-A1 · Oct 26, 2017 · US
Automated synthesis of small molecules using chiral, non-racemic boronates
US-2017158614-A1 · Jun 8, 2017 · US
Composition of matter
US-9637503-B2 · May 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C227/32?
- CPC C07C227/32 is the Cooperative Patent Classification code for “by stereospecific synthesis.”
- How many patents are filed under CPC C07C227/32 (by stereospecific synthesis)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C07C227/32 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).