Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel
US-10435362-B2 · Oct 8, 2019 · US
Separation; Purification
Separation; Purification · 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 | C07C319/28 |
| Official title | Separation; Purification |
| Display label | Separation; Purification |
| Total patents | 144 |
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 | 23 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 19 |
| 2021 | 21 |
| 2022 | 9 |
| 2023 | 11 |
| 2024 | 13 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Purification of mercaptans or thiophenes using dividing wall column distillation
US-2019282920-A1 · Sep 19, 2019 · US
Synthesis of Methyl Ethyl Sulfide and Related Production Systems
US-2019270702-A1 · Sep 5, 2019 · US
Process for oxidizing one or more thiol compounds
US-10343987-B2 · Jul 9, 2019 · US
Method for continuous preparation of high bulk density methionine crystal
US-10293273-B2 · May 21, 2019 · US
Polythiol composition and method for producing same
US-10207987-B2 · Feb 19, 2019 · US
Method to produce L-methionine by a fermentative production
US-2018355390-A1 · Dec 13, 2018 · US
Method for synthesizing dissymmetric sulfoether
US-10112896-B2 · Oct 30, 2018 · US
Method and system for obtaining a carboxylic acid which is produced in a fermentation process
US-2018290961-A1 · Oct 11, 2018 · US
Method for synthesizing dissymmetric sulfoether
US-2018201576-A1 · Jul 19, 2018 · US
Process for oxidizing one or more thiol compounds
US-2018201575-A1 · Jul 19, 2018 · US
Processes for the preparation of pesticidal compounds
US-2018186734-A1 · Jul 5, 2018 · US
Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel
US-2018170777-A1 · Jun 21, 2018 · US
Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel
US-2018170864-A1 · Jun 21, 2018 · US
Intermediates and methods for synthesizing calicheamicin derivatives
US-2018134656-A1 · May 17, 2018 · US
Method for crystallization of 2-amino-2-[2-[4-(3-benzyloxyphenylthio)-2-chlorophenyl]ethyl]-1,3-propanediol hydrochloride
US-9920005-B2 · Mar 20, 2018 · US
Intermediates and methods for synthesizing calicheamicin derivatives
US-9902691-B2 · Feb 27, 2018 · US
Method for continuous preparation of high bulk density methionine crystal
US-2018043281-A1 · Feb 15, 2018 · US
Methods for production of L-methionine and related products
US-9752167-B2 · Sep 5, 2017 · US
Polythiol composition and method for producing same
US-2017247322-A1 · Aug 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C319/28?
- CPC C07C319/28 is the Cooperative Patent Classification code for “Separation; Purification.”
- How many patents are filed under CPC C07C319/28 (Separation; Purification)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC C07C319/28 growing?
- Publication counts under this code: 13 in 2024 vs 6 in 2025 (latest complete years).