Porous carbon product with layer composite structure
US-9520594-B2 · Dec 13, 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 | C01B31/00 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 131 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 44 |
| 2017 | 39 |
| 2018 | 18 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Negative electrode composition for rechargeable lithium battery, negative electrode comprising same and rechargeable lithium battery comprising same
US-9508982-B2 · Nov 29, 2016 · US
Carbonaceous material for negative electrodes of lithium ion capacitors and method for producing same
US-9508494-B2 · Nov 29, 2016 · US
Conductive carbon, electrode material including said carbon, electrode in which said electrode material is used, and electric storage device provided with said electrode
US-2016322635-A1 · Nov 3, 2016 · US
Polysaccharide derived materials
US-9457338-B2 · Oct 4, 2016 · US
Cyanometallate cathode battery and method for fabrication
US-9455431-B2 · Sep 27, 2016 · US
Sodium iron(II)-hexacyanoferrate(II) battery electrode and synthesis method
US-9450224-B2 · Sep 20, 2016 · US
Method for producing foam-shaped graphene structure by boiling, and foam-shaped graphene structure using same
US-9434620-B2 · Sep 6, 2016 · US
Porous carbon material and manufacturing method thereof and supercapacitor
US-9425000-B2 · Aug 23, 2016 · US
Preparation of polymeric resins and carbon materials
US-9409777-B2 · Aug 9, 2016 · US
Metal cyanometallate electrode with shield structure
US-9406919-B2 · Aug 2, 2016 · US
Method and system for treating lignin
US-2016208436-A1 · Jul 21, 2016 · US
Mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogels
US-9384870-B2 · Jul 5, 2016 · US
Carbide-Derived Carbon Manufactured by Using Heat Treatment at Vacuum and Method Thereof
US-2016130146-A1 · May 12, 2016 · US
Lithium sulfide-carbon complex, process for producing the complex, and lithium ion secondary battery utilizing the complex
US-9337476-B2 · May 10, 2016 · US
Formation of large scale single crystalline graphene
US-9337274-B2 · May 10, 2016 · US
Method for preparing rare earth fluoride nanoparticles
US-9327993-B2 · May 3, 2016 · US
Methods and apparatuses for production of carbon, carbide electrodes, and carbon compositions
US-2016115600-A1 · Apr 28, 2016 · US
Cross-linked carbon nanotube networks
US-9308479-B2 · Apr 12, 2016 · US
Method of synthesis of CMK-3-type carbon replica
US-9302252-B2 · Apr 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B31/00?
- CPC C01B31/00 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B31/00 (Chemistry & Metallurgy)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC C01B31/00 growing?
- Publication counts under this code: 18 in 2018 vs 1 in 2019 (latest complete years).