Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst
US-10836860-B2 · Nov 17, 2020 · US
Carbon compounds
Carbon compounds · 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 | B01J27/20 |
| Official title | Carbon compounds |
| Display label | Carbon compounds |
| Total patents | 174 |
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 | 6 |
| 2017 | 6 |
| 2018 | 12 |
| 2019 | 19 |
| 2020 | 28 |
| 2021 | 23 |
| 2022 | 21 |
| 2023 | 17 |
| 2024 | 13 |
| 2025 | 11 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multicomponent plasmonic photocatalysts consisting of a plasmonic antenna and a reactive catalytic surface: the antenna-reactor effect
US-10766024-B2 · Sep 8, 2020 · US
Conversion of olefinic naphthas by hydration to produce middle distillate fuel blending components
US-2020224107-A1 · Jul 16, 2020 · US
Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst
US-10633488-B2 · Apr 28, 2020 · US
Synthesis of R-glucosides, sugar alcohols, reduced sugar alcohols, and furan derivatives of reduced sugar alcohols
US-10519124-B2 · Dec 31, 2019 · US
Visible light responsive titanium dioxide nanowire/metal organic skeleton/carbon nanofiber membrane and preparation method and application thereof
US-2019366319-A1 · Dec 5, 2019 · US
Carbon-containing solid acid having sulfonate group
US-10493439-B2 · Dec 3, 2019 · US
Solid catalysts for producing alcohols and methods of making the same
US-10486141-B2 · Nov 26, 2019 · US
Carbon-modified titanium dioxide nanoparticles and the photocatalytic remediation of aqueous sources systems and methods thereof
US-10471289-B2 · Nov 12, 2019 · US
Honeycomb-like homo-type heterojunction carbon nitride composite material and preparation method thereof, and application in catalytic treatment of waste gas
US-2019330061-A1 · Oct 31, 2019 · US
Carbon-containing metal catalyst particles for carbon nanotube synthesis and method of producing the same, catalyst carrier support, and method of producing carbon nanotubes
US-10357765-B2 · Jul 23, 2019 · US
Process for hydrocracking heavy oil and oil residue
US-10358608-B2 · Jul 23, 2019 · US
Solid catalysts for producing alcohols and methods of making the same
US-2019168190-A1 · Jun 6, 2019 · US
Carbon nitride modified with perylenetetracarboxylic dianhydride / graphene oxide aerogel composite material, preparation method and application thereof
US-2019127225-A1 · May 2, 2019 · US
Catalyst Composition Including a Biochar, and Related Methods
US-2019099743-A1 · Apr 4, 2019 · US
Preparation and application of carbon nanoparticle diode
US-10239039-B2 · Mar 26, 2019 · US
Processes for the preparation of heteroaryl carboxylic acids
US-2019062299-A1 · Feb 28, 2019 · US
Methods for regenerating aged carbon molecular sieve membranes
US-2019054427-A1 · Feb 21, 2019 · US
Doped and Non-Doped Titanium Dioxide Coated Antimicrobial Toilet
US-2019053674-A1 · Feb 21, 2019 · US
Doped and non-doped titanium dioxide coated antimicrobial toilet
US-10206548-B1 · Feb 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J27/20?
- CPC B01J27/20 is the Cooperative Patent Classification code for “Carbon compounds.”
- How many patents are filed under CPC B01J27/20 (Carbon compounds)?
- Our database includes 174 publications tagged with this CPC code.
- Is patent activity under CPC B01J27/20 growing?
- Publication counts under this code: 13 in 2024 vs 11 in 2025 (latest complete years).