Materials and Methods for Oil Removal
US-2016354198-A1 · Dec 8, 2016 · US
Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence)
Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence) · 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 | B01J20/28023 |
| Official title | {Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence)} |
| Display label | Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence) |
| Total patents | 474 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 40 |
| 2017 | 51 |
| 2018 | 34 |
| 2019 | 50 |
| 2020 | 32 |
| 2021 | 42 |
| 2022 | 45 |
| 2023 | 52 |
| 2024 | 38 |
| 2025 | 42 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for isolating nucleic acids
US-2016340669-A1 · Nov 24, 2016 · US
Adsorbent material and method for producing crystalline silicotitanate
US-9486776-B2 · Nov 8, 2016 · US
Leukocyte removal filter material and leukocyte removal method
US-2016310883-A1 · Oct 27, 2016 · US
Composite material for absorbent article, and method for manufacturing said material
US-2016287451-A1 · Oct 6, 2016 · US
A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution
US-2016272745-A1 · Sep 22, 2016 · US
Method and apparatus for isolating nucleic acids
US-9441220-B2 · Sep 13, 2016 · US
Vapor phase methods of forming supported highly branched polyamines
US-9427726-B2 · Aug 30, 2016 · US
Selenium removal
US-2016221838-A1 · Aug 4, 2016 · US
Filter materials including functionalized cellulose
US-2016192701-A1 · Jul 7, 2016 · US
Lubricant system and method of forming the same
US-9371498-B2 · Jun 21, 2016 · US
Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using same
US-2016166972-A1 · Jun 16, 2016 · US
Highly porous aerogels
US-2016137503-A1 · May 19, 2016 · US
Fibers of polymer-wax compositions
US-9328440-B2 · May 3, 2016 · US
Polymeric Ionic Liquids, Methods of Making and Methods of Use Thereof
US-2016114309-A1 · Apr 28, 2016 · US
Sorbent for removing protein-bound substances
US-9320845-B2 · Apr 26, 2016 · US
Adsorption carrier-packed column
US-2016107100-A1 · Apr 21, 2016 · US
Adsorbent material and method for producing crystalline silicotitanate
US-2016107140-A1 · Apr 21, 2016 · US
Absorbent Fibrous Structures Comprising a Dispersion or Emulsion Comprising a Polymer Soil Adsorbing Agent
US-2016082413-A1 · Mar 24, 2016 · US
Absorbent Fibrous Structures Comprising a Dispersion or Emulsion Comprising a Soil Adsorbing Agent
US-2016082414-A1 · Mar 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/28023?
- CPC B01J20/28023 is the Cooperative Patent Classification code for “Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence).”
- How many patents are filed under CPC B01J20/28023 (Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence))?
- Our database includes 474 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/28023 growing?
- Publication counts under this code: 38 in 2024 vs 42 in 2025 (latest complete years).