Reuse of intein-bound resins for protein purification
US-2026070942-A1 · Mar 12, 2026 · US
Regeneration or reactivation of ion-exchangers; Apparatus therefor (ion-exchange chromatography processes or apparatus B01D15/08)
Regeneration or reactivation of ion-exchangers; Apparatus therefor (ion-exchange chromatography processes or apparatus B01D15/08) · 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 | B01J49/00 |
| Official title | Regeneration or reactivation of ion-exchangers; Apparatus therefor (ion-exchange chromatography processes or apparatus B01D15/08) |
| Display label | Regeneration or reactivation of ion-exchangers; Apparatus therefor (ion-exchange chromatography processes or apparatus B01D15/08) |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water production facility and method of replacing ion exchange resin
US-12509369-B2 · Dec 30, 2025 · US
Reuse of intein-bound resins for protein purification
US-12503488-B2 · Dec 23, 2025 · US
Recovery method of lithium ion
US-2025059624-A1 · Feb 20, 2025 · US
Systems and methods for recycling waste ion exchange materials
US-11865532-B2 · Jan 9, 2024 · US
Ultrapure water production facility and method of replacing ion exchange resin
US-2023264987-A1 · Aug 24, 2023 · US
Reuse of intein-bound resins for protein purification
US-2023064395-A1 · Mar 2, 2023 · US
Method for preparing anionic macromolecular compound exhibiting improved water solubility
US-11555080-B2 · Jan 17, 2023 · US
Systems and methods for recycling waste ion exchange materials
US-2022048020-A1 · Feb 17, 2022 · US
Method of cleaning resins
US-10967367-B2 · Apr 6, 2021 · US
Reclaiming method
US-10940431-B2 · Mar 9, 2021 · US
Method for removing perfluorinated alkanoic acids
US-10744497-B2 · Aug 18, 2020 · US
Method of purifying water
US-10610860-B2 · Apr 7, 2020 · US
Method of purifying water
US-10610859-B2 · Apr 7, 2020 · US
Method for preparing anionic macromolecular compound exhibiting improved water solubility
US-2020055962-A1 · Feb 20, 2020 · US
Reclaiming method
US-2020016529-A1 · Jan 16, 2020 · US
Physico-chemical process for removal of nitrogen species from recirculated aquaculture systems
US-2019380313-A1 · Dec 19, 2019 · US
Method of cleaning resins
US-2019366322-A1 · Dec 5, 2019 · US
Reclaiming device, reclaiming method, and recovery unit for CO2 or H2S or both
US-10471379-B2 · Nov 12, 2019 · US
Method of purifying water
US-2019314806-A1 · Oct 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J49/00?
- CPC B01J49/00 is the Cooperative Patent Classification code for “Regeneration or reactivation of ion-exchangers; Apparatus therefor (ion-exchange chromatography processes or apparatus B01D15/08).”
- How many patents are filed under CPC B01J49/00 (Regeneration or reactivation of ion-exchangers; Apparatus therefor (ion-exchange chromatography processes or apparatus B01D15/08))?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC B01J49/00 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).