Fluoride ion battery electrolyte compositions
US-10355311-B2 · Jul 16, 2019 · US
with quaternary ring nitrogen atoms
with quaternary ring nitrogen atoms · 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 | C07D295/037 |
| Official title | with quaternary ring nitrogen atoms |
| Display label | with quaternary ring nitrogen atoms |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 15 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Emm-31 materials and processes and uses thereof
US-2019194028-A1 · Jun 27, 2019 · US
Substituted polycationic multi-quaternary ammonium salts as antimicrobial agents
US-10301254-B2 · May 28, 2019 · US
Synthesis of ZSM-5
US-10293334-B2 · May 21, 2019 · US
Process for modifying isocyanates with use of cyclic ammonium salts as catalyst
US-10167358-B2 · Jan 1, 2019 · US
Organo-1-oxa-4-azonium cyclohexane compounds
US-2018265486-A1 · Sep 20, 2018 · US
Organo-1-oxa-4-azonium cyclohexane compounds
US-2018265485-A1 · Sep 20, 2018 · US
Organo-1-oxa-4-azonium cyclohexane compounds
US-2018258058-A1 · Sep 13, 2018 · US
Method for preparing structured directing agent
US-2018244618-A1 · Aug 30, 2018 · US
Process for modifying isocyanates with use of cyclic ammonium salts as catalyst
US-2018244826-A1 · Aug 30, 2018 · US
Charged ion channel blockers and methods for use
US-2018237392-A1 · Aug 23, 2018 · US
Cyclic quaternary ammonium salts as fuel or lubricant additives
US-2018223203-A1 · Aug 9, 2018 · US
Syntheses of n-heterocyclic carbenes and intermediates therefor
US-2018186754-A1 · Jul 5, 2018 · US
Photopolymer formulation for production of holographic media comprising borates with low TG
US-10001703-B2 · Jun 19, 2018 · US
Polycationic amphiphiles and polymers thereof as antimicrobial agents and methods using same
US-2018111893-A1 · Apr 26, 2018 · US
Synthesis of ZSM-5
US-2018078928-A1 · Mar 22, 2018 · US
Salt forms of [R—(R*,R*)]-2-(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-hepatonic acid
US-9908850-B2 · Mar 6, 2018 · US
Syntheses of N-heterocyclic carbenes and intermediates therefor
US-9890125-B2 · Feb 13, 2018 · US
Method for preparing structured directing agent
US-2018016231-A9 · Jan 18, 2018 · US
Process for preparing an n-methyl-substituted triacetonamine compound
US-2018009752-A1 · Jan 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D295/037?
- CPC C07D295/037 is the Cooperative Patent Classification code for “with quaternary ring nitrogen atoms.”
- How many patents are filed under CPC C07D295/037 (with quaternary ring nitrogen atoms)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC C07D295/037 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).