Method of purification and purified products
US-2024075407-A1 · Mar 7, 2024 · US
Reversed phase
Reversed phase · 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 | B01D15/325 |
| Official title | {Reversed phase} |
| Display label | Reversed phase |
| Total patents | 192 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 18 |
| 2017 | 15 |
| 2018 | 16 |
| 2019 | 23 |
| 2020 | 19 |
| 2021 | 21 |
| 2022 | 19 |
| 2023 | 19 |
| 2024 | 15 |
| 2025 | 12 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sol-Gel Polymeric Stationary Phases for High-Performance Liquid Chromatography and Solid Phase Extraction: Their Method of Making
US-2018369784-A1 · Dec 27, 2018 · US
Highly unsaturated fatty acid or highly unsaturated fatty acid ethyl ester with reduced environmental pollutants, and method for producing same
US-2018305291-A1 · Oct 25, 2018 · US
Method and apparatus to measure electrophoretic mobility of a flowing sample
US-2018299405-A1 · Oct 18, 2018 · US
Systems and methods for two-dimensional chromatography
US-10101306-B2 · Oct 16, 2018 · US
Method of insulin production
US-2018291077-A1 · Oct 11, 2018 · US
Integrated device for liver support system
US-10086123-B2 · Oct 2, 2018 · US
Method for the quantitative characterization of amyloid and/or aggregating peptides and/or proteins in a sample
US-10088487-B2 · Oct 2, 2018 · US
Chromatographic compositions
US-2018264438-A1 · Sep 20, 2018 · US
Filter device combining beads and fibers
US-10052427-B2 · Aug 21, 2018 · US
Mass spectrometry analysis of mutant polypeptides in biological samples
US-10036756-B2 · Jul 31, 2018 · US
Method of purifying cell-binding agent-cytotoxic agent conjugates with a PVDF membrane
US-10035817-B2 · Jul 31, 2018 · US
Multi-dimensional chromatographic methods for separating N-glycans
US-9933432-B2 · Apr 3, 2018 · US
Sol-gel polymeric stationary phases for high-performance liquid chromatography and solid phase extraction: their method of making
US-9925518-B2 · Mar 27, 2018 · US
Enrichment of lysophosphatidic acids with templated polymeric materials
US-2018071716-A1 · Mar 15, 2018 · US
Method for analyzing formyl glycine residue
US-9896715-B2 · Feb 20, 2018 · US
Chromatographic material having improved ph stability, method for preparation thereof and uses thereof
US-2018008959-A1 · Jan 11, 2018 · US
Functionalized particles having modified phases
US-2017349612-A1 · Dec 7, 2017 · US
Chemically modified graphene
US-9822151-B2 · Nov 21, 2017 · US
PET Tracer Purification System
US-2017313632-A1 · Nov 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D15/325?
- CPC B01D15/325 is the Cooperative Patent Classification code for “Reversed phase.”
- How many patents are filed under CPC B01D15/325 (Reversed phase)?
- Our database includes 192 publications tagged with this CPC code.
- Is patent activity under CPC B01D15/325 growing?
- Publication counts under this code: 15 in 2024 vs 12 in 2025 (latest complete years).