Method for purifying fluorinated hydrocarbon compound
US-2017369404-A1 · Dec 28, 2017 · US
in the strongly acidic form
in the strongly acidic form · 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 | B01J39/05 |
| Official title | in the strongly acidic form |
| Display label | in the strongly acidic form |
| Total patents | 298 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 22 |
| 2017 | 28 |
| 2018 | 31 |
| 2019 | 38 |
| 2020 | 24 |
| 2021 | 39 |
| 2022 | 26 |
| 2023 | 29 |
| 2024 | 19 |
| 2025 | 24 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Charge reversible ion exchange resins, chromatography column, method, and system thereof
US-2017363592-A1 · Dec 21, 2017 · US
Porous molding, gel molding and filter
US-2017333810-A1 · Nov 23, 2017 · US
Method for Preparing Methyl Formate and Coproducing Dimethyl Ether
US-2017320807-A1 · Nov 9, 2017 · US
Process for the recovery of cobalt and tungstic acid and/or its derivatives from aqueous solutions
US-2017321299-A1 · Nov 9, 2017 · US
Curable composition and cured polymer product
US-9795955-B2 · Oct 24, 2017 · US
Process for the preparation and/or purification of ruthenium(iii) chloride
US-2017283274-A1 · Oct 5, 2017 · US
Separation and recovery of xylose using weakly basic anion exchange resins
US-9777342-B2 · Oct 3, 2017 · US
Multi-acid polymers and methods of making the same
US-2017274368-A1 · Sep 28, 2017 · US
Multi-Acid Polymers and Methods of Making the Same
US-2017274369-A1 · Sep 28, 2017 · US
Urea sulfate and sodium chloride blend for regeneration of cation exchange resins
US-9764321-B2 · Sep 19, 2017 · US
Ion exchange methods for treating water hardness
US-9731983-B2 · Aug 15, 2017 · US
Method for eliminating metal ions from a viscous organic solution
US-2017197204-A1 · Jul 13, 2017 · US
Ion exchanger, water treatment device provided with same, and hot water supply device
US-9701547-B2 · Jul 11, 2017 · US
Multi-acid polymers and methods of making the same
US-9694357-B1 · Jul 4, 2017 · US
Aldehyde adsorbent, method for removing aldehyde, method for producing acetic acid, and method for regenerating aldehyde adsorbent
US-9662646-B2 · May 30, 2017 · US
Integrated acid regeneration of ion exchange resins for industrial applications
US-2017144145-A1 · May 25, 2017 · US
Urea sulfate and sodium chloride blend for regeneration of cation exchange resins
US-2017136451-A1 · May 18, 2017 · US
Temperature responsive adsorbent having a strong cation exchange group and method for producing the same
US-9643173-B2 · May 9, 2017 · US
Urea sulfate and sodium chloride blend for regeneration of cation exchange resins
US-2017088442-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J39/05?
- CPC B01J39/05 is the Cooperative Patent Classification code for “in the strongly acidic form.”
- How many patents are filed under CPC B01J39/05 (in the strongly acidic form)?
- Our database includes 298 publications tagged with this CPC code.
- Is patent activity under CPC B01J39/05 growing?
- Publication counts under this code: 19 in 2024 vs 24 in 2025 (latest complete years).