In-situ polymerized type thermoplastic prepreg, thermoplastic composite, and methods of manufacturing the same
US-2018346672-A1 · Dec 6, 2018 · US
with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J31/0244 |
| Official title | {with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine} |
| Display label | with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine |
| Total patents | 275 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 21 |
| 2017 | 21 |
| 2018 | 32 |
| 2019 | 32 |
| 2020 | 24 |
| 2021 | 30 |
| 2022 | 23 |
| 2023 | 36 |
| 2024 | 19 |
| 2025 | 21 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for producing fuels, gasoline additives, and lubricants using amine catalysts
US-10106480-B2 · Oct 23, 2018 · US
Asymmetric synthesis of funapide
US-10100060-B2 · Oct 16, 2018 · US
Reduction catalyst, and chemical reactor, reduction method and reduction product-producing system employing the catalyst
US-2018209053-A1 · Jul 26, 2018 · US
Reducing emissions in polyurethane foam
US-9968919-B2 · May 15, 2018 · US
Reduction catalyst and chemical reactor
US-2017369405-A1 · Dec 28, 2017 · US
Synthetic route to 2′-deoxy-2′,2′-difluorotetrahydrouridines
US-9834576-B2 · Dec 5, 2017 · US
Methods for producing fuels, gasoline additives, and lubricants using amine catalysts
US-2017334823-A1 · Nov 23, 2017 · US
Methods for producing fuels, gasoline additives, and lubricants using amine catalysts
US-2017327448-A1 · Nov 16, 2017 · US
Process for the preparation of optically active isoxazoline compounds
US-9815829-B2 · Nov 14, 2017 · US
Process for the dimerization of activated olefins
US-9796654-B2 · Oct 24, 2017 · US
Method for manufacturing (meth) acrylic acid ester and method for manufacturing aromatic carboxylic acid ester
US-9796652-B2 · Oct 24, 2017 · US
One-component reagent for the fluoroalkylation reaction
US-9758453-B2 · Sep 12, 2017 · US
Method for Producing Anhydrosugar Alcohol by High-Pressure Reaction
US-2017240559-A1 · Aug 24, 2017 · US
Process for the preparation of optically active isoxazoline compounds
US-2017217953-A1 · Aug 3, 2017 · US
Multifunctional (meth)acrylate manufacturing method
US-2017204044-A1 · Jul 20, 2017 · US
Soluble catalyst for lithium-air battery
US-2017149105-A1 · May 25, 2017 · US
Process for the dimerization of activated olefins
US-2017107168-A1 · Apr 20, 2017 · US
Non-aqueous metal catalytic composition with oxyazinium photoreducing agent
US-9624582-B2 · Apr 18, 2017 · US
Optical Wavelength Conversion Element Containing Ionic Liquid, And Article Equipped With Said Optical Wavelength Conversion Element
US-2017084758-A1 · Mar 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J31/0244?
- CPC B01J31/0244 is the Cooperative Patent Classification code for “with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine.”
- How many patents are filed under CPC B01J31/0244 (with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine)?
- Our database includes 275 publications tagged with this CPC code.
- Is patent activity under CPC B01J31/0244 growing?
- Publication counts under this code: 19 in 2024 vs 21 in 2025 (latest complete years).