Blood cell separating agent for analysis and blood cell separation method
US-2025011482-A1 · Jan 9, 2025 · US
Diallylamine
Diallylamine · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F26/04 |
| Official title | Diallylamine |
| Display label | Diallylamine |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Crosslinked polydiallymine copolymers for the treatment of type 2 diabetes
US-11267924-B2 · Mar 8, 2022 · US
Method of preparation of cationic polymers with reduced halides content
US-10836871-B2 · Nov 17, 2020 · US
Thermally stable polymers for enhanced oil recovery
US-10450500-B2 · Oct 22, 2019 · US
Polymer nanofibers from electrospinning of complex coacervates, and compositions and methods thereof
US-10428444-B2 · Oct 1, 2019 · US
Method of preparation of cationic polymers with reduced halides content
US-2019202997-A1 · Jul 4, 2019 · US
Primary amine-containing polymers useful as scale inhibitors
US-10214421-B2 · Feb 26, 2019 · US
Primary amine-containing polymers useful as scale inhibitors
US-2018179062-A1 · Jun 28, 2018 · US
Polymer nanofibers from electrospinning of complex coacervates, and compositions and methods thereof
US-2018100249-A1 · Apr 12, 2018 · US
Primary amine-containing polymers useful as scale inhibitors
US-9902617-B2 · Feb 27, 2018 · US
Stimulus responsive polymers for the purification of biomolecules
US-9731288-B2 · Aug 15, 2017 · US
Process for making a polyzwitterion or polyzwitterionic acid
US-9617388-B2 · Apr 11, 2017 · US
Process for making a poly(zwitterion/dianion)
US-9580521-B1 · Feb 28, 2017 · US
Process for making a poly(zwitterion/dianion)
US-2017044277-A1 · Feb 16, 2017 · US
Process for making a polyzwitterion or polyzwitterionic acid
US-2017015788-A1 · Jan 19, 2017 · US
Synthesis of a diallylammonium/SO2 copolymer bearing phospho- and sulfopropyl pendents
US-9481765-B2 · Nov 1, 2016 · US
Thermally stable polymers for enhanced oil recovery
US-2016200963-A1 · Jul 14, 2016 · US
Crosslinked polydiallymine copolymers for the treatment of type 2 diabetes
US-2016177019-A1 · Jun 23, 2016 · US
Polyzwitterionic acid antiscalant compound
US-9359458-B2 · Jun 7, 2016 · US
Stimulus responsive polymers for the purification of biomolecules
US-2016067703-A1 · Mar 10, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F26/04?
- CPC C08F26/04 is the Cooperative Patent Classification code for “Diallylamine.”
- How many patents are filed under CPC C08F26/04 (Diallylamine)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C08F26/04 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2025 (latest complete years).