Sorting two-dimensional nanomaterials by thickness
US-9221064-B2 · Dec 29, 2015 · 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 | C01B31/0484 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 223 |
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 | 63 |
| 2016 | 59 |
| 2017 | 77 |
| 2018 | 22 |
| 2019 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of manufacturing graphene film and graphene film manufactured thereby
US-2015368112-A1 · Dec 24, 2015 · US
Graphene production
US-2015360955-A1 · Dec 17, 2015 · US
Graphene, composition for preparing graphene, and method of preparing graphene using the composition
US-2015348666-A1 · Dec 3, 2015 · US
Composite films and methods for their production
US-2015337092-A1 · Nov 26, 2015 · US
Methods for perforating multi-layer graphene through ion bombardment
US-2015336202-A1 · Nov 26, 2015 · US
Method of transferring a graphene film
US-9181100-B2 · Nov 10, 2015 · US
Method for fabricating graphene
US-9169568-B2 · Oct 27, 2015 · US
Method and apparatus for manufacturing graphene powder and graphene powder manufactured using the same
US-9162895-B2 · Oct 20, 2015 · US
Functionalised graphene oxide
US-9156701-B2 · Oct 13, 2015 · US
Graphene membrane repair
US-9156702-B2 · Oct 13, 2015 · US
Sorting Two-Dimensional Nanomaterials by Thickness
US-2015283482-A1 · Oct 8, 2015 · US
Doped, passivated graphene nanomesh, method of making the doped, passivated graphene nanomesh, and semiconductor device including the doped, passivated graphene nanomesh
US-9142471-B2 · Sep 22, 2015 · US
Graphene-based materials
US-2015259212-A1 · Sep 17, 2015 · US
Method of post treating graphene and method of manufacturing graphene using the same
US-9136112-B2 · Sep 15, 2015 · US
Graphene machining method
US-2015251913-A1 · Sep 10, 2015 · US
Linked stacks of partly reduced graphene, method for producing linked stacks of partly reduced graphene, powder comprising linked stacks of partly reduced graphene, film comprising linked stacks of partly reduced graphene, graphene electrode film, method for producing graphene electrode film, and graphene capacitor
US-2015248972-A1 · Sep 3, 2015 · US
Graphene solutions
US-9120675-B2 · Sep 1, 2015 · US
Bulk preparation of holey graphene via controlled catalytic oxidation
US-9120677-B2 · Sep 1, 2015 · US
Method of manufacturing graphene, carbon nanotubes, fullerene, graphite or a combination thereof having a position specifically regulated resistance
US-9122165-B2 · Sep 1, 2015 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B31/0484?
- CPC C01B31/0484 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B31/0484 (Chemistry & Metallurgy)?
- Our database includes 223 publications tagged with this CPC code.
- Is patent activity under CPC C01B31/0484 growing?
- Publication counts under this code: 22 in 2018 vs 2 in 2019 (latest complete years).