Surface treated carbon catalysts produced from waste tires for fatty acids to biofuel conversion
US-9884804-B2 · Feb 6, 2018 · US
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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 | C01B31/081 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 15 |
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 | 3 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for forming an acid-treated fly ash activated carbon
US-9757709-B1 · Sep 12, 2017 · US
Modified activated carbon preparation and methods thereof
US-9737872-B2 · Aug 22, 2017 · US
Active carbon and method for preparation of the same
US-9682865-B2 · Jun 20, 2017 · US
Cathode for a lithium ion capacitor
US-9679704-B2 · Jun 13, 2017 · US
Method for preparation of active carbon by pyrolysis of organics
US-9650254-B2 · May 16, 2017 · US
Modified activated carbon preparation and methods thereof
US-2017113202-A1 · Apr 27, 2017 · US
Porositization process of carbon or carbonaceous materials
US-9533281-B2 · Jan 3, 2017 · US
Porous carbon material, adsorbent, oral adsorbent, medical adsorbent, filler for blood purification column, water purification adsorbent, cleansing agent, carrier, sustained release pharmaceutical, cell culture scaffold, mask, carbon/polymer composite, adsorbent sheet and functional food
US-9421515-B2 · Aug 23, 2016 · US
Activated charcoal
US-9290390-B2 · Mar 22, 2016 · US
Catalysts having metal nano-particle catalyst supported on surface-treated natural cellulose fibers and preparation method thereof
US-9259728-B2 · Feb 16, 2016 · US
Catalysts having metal nano-particle catalyst supported on surface-treated natural cellulose fibers and preparation method thereof
US-9254483-B2 · Feb 9, 2016 · US
Electronically conducting carbon and carbon-based material by pyrolysis of dead leaves and other similar natural waste
US-9212285-B2 · Dec 15, 2015 · US
Method for the production of polyethylene terephthalate with a low carbon footprint
US-2015299086-A1 · Oct 22, 2015 · US
Process for producing spherical activated carbon
US-8927457-B2 · Jan 6, 2015 · US