Polymer-metal organic framework materials and methods of using the same
US-2016361702-A1 · Dec 15, 2016 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B31/20 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 142 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 36 |
| 2016 | 35 |
| 2017 | 47 |
| 2018 | 24 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Desulfurization apparatus and exhaust gas processing system using the same
US-2016339383-A1 · Nov 24, 2016 · US
Carbon dioxide gas recovery device
US-9492783-B2 · Nov 15, 2016 · US
System for low pressure carbon dioxide regeneration in a chilled ammonia process
US-2016289080-A1 · Oct 6, 2016 · US
Hybrid membrane and adsorption-based system and process for recovering CO2 from flue gas and using combustion air for adsorbent regeneration
US-9452386-B1 · Sep 27, 2016 · US
Hybrid membrane and adsorption-based system and process for recovering CO2 from flue gas and using combustion air for adsorbent regeneration
US-9452385-B1 · Sep 27, 2016 · US
Catalyst for purification of co2 from chlorinated hydrocarbons
US-2016264424-A1 · Sep 15, 2016 · US
Purification of carbon dioxide streams
US-2016251226-A1 · Sep 1, 2016 · US
Graphene compositions and methods of making the same
US-9422165-B2 · Aug 23, 2016 · US
New MOF-type Layered Coordination Polymers Of Manganese, Method Of Their Preparation, Modification And Use Thereof
US-2016214080-A1 · Jul 28, 2016 · US
Combustion exhaust gas treatment system and method of treating combustion exhaust gas
US-9399939-B2 · Jul 26, 2016 · US
System and method for producing carbon dioxide
US-9393516-B2 · Jul 19, 2016 · US
Ethanol fermentation methods and systems
US-9388100-B2 · Jul 12, 2016 · US
Air pollution control system and method
US-9381461-B2 · Jul 5, 2016 · US
Method or system for recovering carbon dioxide
US-9376356-B2 · Jun 28, 2016 · US
Method and device for separating hydrogen sulfide and hydrogen production system using the same
US-9365423-B2 · Jun 14, 2016 · US
Method for producing negative carbon fuel
US-9359268-B2 · Jun 7, 2016 · US
Hydrocarbon reforming device using micro channel heater
US-9333477-B2 · May 10, 2016 · US
Decarbonation process
US-9321683-B2 · Apr 26, 2016 · US
Gold nanorod/polymer nanocomposites and sensors based thereon
US-2016069811-A1 · Mar 10, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B31/20?
- CPC C01B31/20 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B31/20 (Chemistry & Metallurgy)?
- Our database includes 142 publications tagged with this CPC code.
- Is patent activity under CPC C01B31/20 growing?
- Publication counts under this code: 47 in 2017 vs 24 in 2018 (latest complete years).