Methods for making L-glufosinate
US-12509709-B2 · Dec 30, 2025 · US
Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture
Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture · 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 | C12P41/00 |
| Official title | Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture |
| Display label | Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing (s)-1,2,3,4-tetrahydroisoquinoline-1 carboxylic acid and derivatives thereof
US-12480148-B2 · Nov 25, 2025 · US
Process for producing acyloxymethyl esters of (4s)-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridin-3-carboxylic acid
US-2025326751-A1 · Oct 23, 2025 · US
Methods for making l-glufosinate
US-2025250596-A1 · Aug 7, 2025 · US
Process for producing acyloxymethyl esters of (4S)-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridin-3-carboxylic acid
US-12365679-B2 · Jul 22, 2025 · US
Methods for making L-glufosinate
US-12305206-B2 · May 20, 2025 · US
Methods for making L-glufosinate
US-12305207-B2 · May 20, 2025 · US
Synthesis of glufosinate using a hydantoinase-based process
US-2025120400-A1 · Apr 17, 2025 · US
Chemo-enzymatic process for the preparation of homopropargylic alcohol
US-12247239-B2 · Mar 11, 2025 · US
Biocatalysts for the preparation of hydroxy substituted carbamates
US-12241093-B2 · Mar 4, 2025 · US
Method for asymmetrically preparing L-phosphinothricin by oxidation-reduction reaction through biological multi-enzyme coupling
US-12215372-B2 · Feb 4, 2025 · US
Enzymatic decarbamoylation of glufosinate derivatives
US-2025034605-A1 · Jan 30, 2025 · US
Methods for making l-glufosinate
US-2024309409-A1 · Sep 19, 2024 · US
Methods for making l-glufosinate
US-2024301452-A1 · Sep 12, 2024 · US
Synthesis of enantiopure cis-a-irone from a renewable carbon source
US-2024240209-A1 · Jul 18, 2024 · US
Process for producing acyloxymethyl esters of (4s)-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridin-3-carboxylic acid
US-2024150344-A1 · May 9, 2024 · US
Methods for making L-glufosinate
US-11913048-B2 · Feb 27, 2024 · US
Methods for making L-glufosinate
US-11905538-B2 · Feb 20, 2024 · US
Biocatalysts for the preparation of hydroxy substituted carbamates
US-2024018489-A1 · Jan 18, 2024 · US
Novel hydrolase and method for producing (1s,2s)-1-alkoxycarbonyl-2-vinylcyclopropane carboxylic acid using same
US-2023323317-A1 · Oct 12, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12P41/00?
- CPC C12P41/00 is the Cooperative Patent Classification code for “Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture.”
- How many patents are filed under CPC C12P41/00 (Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C12P41/00 growing?
- Publication counts under this code: 7 in 2024 vs 13 in 2025 (latest complete years).