Water-absorbent resin composition, absorbent material and absorbent article
US-2024424473-A1 · Dec 26, 2024 · US
consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
consisting of a polymer 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 | B01J20/321 |
| Official title | {consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds} |
| Display label | consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds |
| Total patents | 407 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 30 |
| 2017 | 27 |
| 2018 | 30 |
| 2019 | 33 |
| 2020 | 46 |
| 2021 | 40 |
| 2022 | 32 |
| 2023 | 41 |
| 2024 | 41 |
| 2025 | 54 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modified fab region-binding peptide
US-2017355733-A1 · Dec 14, 2017 · US
Field sampling kit for chemical recovery, storage, and profiling, method of making and using the kit, and dynamic fabric phase sorptive extraction (DFPSE) medium
US-9527059-B2 · Dec 27, 2016 · US
Method for purification of antibodies, antibody fragments or engineered variants thereof using specific anthraquinone dye-ligand structures
US-2016347789-A1 · Dec 1, 2016 · US
Endotoxin adsorbent
US-9505850-B2 · Nov 29, 2016 · US
Composition, method for preparing sugar chain sample, and method for analyzing sugar chain
US-2016327568-A1 · Nov 10, 2016 · US
Stabilization of fermented beverages
US-2016298065-A1 · Oct 13, 2016 · US
Super absorbent polymer and manufacturing method thereof
US-2016288088-A1 · Oct 6, 2016 · US
Water purification
US-2016280563-A1 · Sep 29, 2016 · US
Protein Separations Using An Acrylamide Containing Filter
US-2016272676-A1 · Sep 22, 2016 · US
Adsorptive membranes for trapping viruses
US-2016264942-A1 · Sep 15, 2016 · US
Crosslinked polymer stationary phase for chromatography
US-2016266134-A1 · Sep 15, 2016 · US
Sorbent for endotoxins
US-9440019-B2 · Sep 13, 2016 · US
Ligand-functionalized substrates with enhanced binding capacity
US-2016231208-A1 · Aug 11, 2016 · US
Method for purification of cleaved pro-insulin
US-9409967-B2 · Aug 9, 2016 · US
Cell Separation and Collection Membrane, and Culturing Sheet, Culturing Device, and Cell Separation and Collection Method Using Same
US-2016222339-A1 · Aug 4, 2016 · US
Composition and method for removing metal contaminants
US-9404166-B2 · Aug 2, 2016 · US
Method of preparing lithium adsorption structure having large surface area
US-2016214083-A1 · Jul 28, 2016 · US
Method for regulating the structure and properties of the composite nanoabsorbent
US-9387458-B2 · Jul 12, 2016 · US
Adsorptive membranes for trapping viruses
US-9375499-B2 · Jun 28, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/321?
- CPC B01J20/321 is the Cooperative Patent Classification code for “consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds.”
- How many patents are filed under CPC B01J20/321 (consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds)?
- Our database includes 407 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/321 growing?
- Publication counts under this code: 41 in 2024 vs 54 in 2025 (latest complete years).