Continuous method for producing ortho-substituted anilines in a flow reactor
US-9527808-B2 · Dec 27, 2016 · US
by reactions not involving the formation of sulfide groups
by reactions not involving the formation of sulfide 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 | C07C319/20 |
| Official title | by reactions not involving the formation of sulfide groups |
| Display label | by reactions not involving the formation of sulfide groups |
| Total patents | 337 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 48 |
| 2016 | 28 |
| 2017 | 25 |
| 2018 | 20 |
| 2019 | 36 |
| 2020 | 36 |
| 2021 | 40 |
| 2022 | 29 |
| 2023 | 31 |
| 2024 | 20 |
| 2025 | 17 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
Acylamino-substituted fused cyclopentanecarboxylic acid derivatives and their use as pharmaceuticals
US-2016272577-A1 · Sep 22, 2016 · US
Alkoxylates of s-vinylthioalkanols
US-2016264691-A1 · Sep 15, 2016 · US
Method for producing 4-haloalkyl-3-mercapto-substituted 2-hydroxy-benzoic acid derivatives
US-9440917-B2 · Sep 13, 2016 · US
Intermediates and methods for synthesizing calicheamicin derivatives
US-2016251389-A1 · Sep 1, 2016 · US
Method of production of a methionine salt
US-9403764-B2 · Aug 2, 2016 · US
Substituted phenylsulfur trifluoride and other like fluorinating agents
US-9365471-B2 · Jun 14, 2016 · US
Tert-butyl sulphoxide method for producing festinavir
US-2016130260-A1 · May 12, 2016 · US
METHOD FOR PRODUCING a-SUBSTITUTED CYSTEINE OR SALT THEREOF OR SYNTHETIC INTERMEDIATE OF a-SUBSTITUTED CYSTEINE
US-2016083341-A1 · Mar 24, 2016 · US
Method of manufacturing sultonium salt
US-2016068477-A1 · Mar 10, 2016 · US
Method for producing polythiol compound, polymerizable composition for optical material, and uses thereof
US-2016024242-A1 · Jan 28, 2016 · US
Method for producing an olefin by catalytic conversion of at least one alcohol
US-2015361007-A1 · Dec 17, 2015 · US
Clean method for preparing D,L-methionine
US-9206120-B2 · Dec 8, 2015 · US
Method for the production of D,L-methionine
US-9206121-B2 · Dec 8, 2015 · US
Processes for the preparation of pesticidal compounds
US-2015336929-A1 · Nov 26, 2015 · US
Method for Producing 4-Haloalkyl -3-Mercapto-Substituted 2-Hydroxy-Benzoic Acid Derivatives
US-2015322003-A1 · Nov 12, 2015 · US
Method for producing polythiol compound, polymerizable composition for optical material, and uses thereof
US-9181180-B2 · Nov 10, 2015 · US
Method for producing polythiol compound, polymerizable composition for optical material, and uses thereof
US-9181179-B2 · Nov 10, 2015 · US
Process for preparing aryl - and heteroarylacetic acid derivatives
US-2015315171-A1 · Nov 5, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C319/20?
- CPC C07C319/20 is the Cooperative Patent Classification code for “by reactions not involving the formation of sulfide groups.”
- How many patents are filed under CPC C07C319/20 (by reactions not involving the formation of sulfide groups)?
- Our database includes 337 publications tagged with this CPC code.
- Is patent activity under CPC C07C319/20 growing?
- Publication counts under this code: 20 in 2024 vs 17 in 2025 (latest complete years).