Method of producing polymer-impregnated base resin
US-2018327560-A1 · Nov 15, 2018 · US
Polymers obtained by reactions involving only carbon to carbon unsaturated bonds
Polymers obtained by reactions involving only carbon to carbon unsaturated bonds · 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 | B01J20/327 |
| Official title | {Polymers obtained by reactions involving only carbon to carbon unsaturated bonds} |
| Display label | Polymers obtained by reactions involving only carbon to carbon unsaturated bonds |
| Total patents | 228 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 22 |
| 2017 | 15 |
| 2018 | 25 |
| 2019 | 22 |
| 2020 | 18 |
| 2021 | 21 |
| 2022 | 24 |
| 2023 | 17 |
| 2024 | 23 |
| 2025 | 27 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite material comprising a non-crosslinked gel polymer
US-2018318773-A1 · Nov 8, 2018 · US
Carbon Molecular Sieve Adsorbents Prepared From Activated Carbon and Useful For Propylene-Propane Separation
US-2018280927-A1 · Oct 4, 2018 · US
Separation of oil-water mixtures using nanotechnology
US-10071919-B2 · Sep 11, 2018 · US
Preparation method of superabsorbent polymer and superabsorbent polymer prepared thereby
US-2018237594-A1 · Aug 23, 2018 · US
Multilayer separation membrane
US-10040033-B2 · Aug 7, 2018 · US
Separation of a target substance from a fluid or mixture using encapsulated sorbents
US-10029206-B2 · Jul 24, 2018 · US
Composition for forming absorption-desorption sheet, absorption-desorption sheet including the composition, and method of preparing the absorption-desorption sheet
US-2018178195-A1 · Jun 28, 2018 · US
Water absorption treatment material and method for manufacturing the same
US-2018169618-A1 · Jun 21, 2018 · US
Bi-structured matrix for solid reactants purification and handling and methods for obtaining said matrix
US-2018147556-A1 · May 31, 2018 · US
Protein separations using an acrylamide containing filter
US-9951101-B2 · Apr 24, 2018 · US
Carbon dioxide sorbents for indoor air quality control
US-2018050322-A1 · Feb 22, 2018 · US
Separation material
US-2017368533-A1 · Dec 28, 2017 · US
Transportable modular system for enhanced mineral recovery, from tailings line and deposits
US-2017361333-A1 · Dec 21, 2017 · US
Separation material
US-9844621-B2 · Dec 19, 2017 · US
Gas absorption mateiral, use of same for gas absorption, gas absorption body, gas absorption method, acidic gas agsorption device, acidic gas recovery device, water vapor absorpiton devide, water vapor recovery device, heat exchanger, and heat recovery device
US-2017259245-A1 · Sep 14, 2017 · US
Protein chromatography matrices with hydrophilic copolymer coatings
US-9758542-B2 · Sep 12, 2017 · US
Separation of oil-water mixtures using nanotechnology
US-2017247481-A1 · Aug 31, 2017 · US
Process for preparing guanidino-functional monomers
US-2017183299-A1 · Jun 29, 2017 · US
Process for preparing guanidino-functional monomers
US-9670149-B2 · Jun 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/327?
- CPC B01J20/327 is the Cooperative Patent Classification code for “Polymers obtained by reactions involving only carbon to carbon unsaturated bonds.”
- How many patents are filed under CPC B01J20/327 (Polymers obtained by reactions involving only carbon to carbon unsaturated bonds)?
- Our database includes 228 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/327 growing?
- Publication counts under this code: 23 in 2024 vs 27 in 2025 (latest complete years).