Process for making an alkoxylated polyalkylenimine
US-2019390012-A1 · Dec 26, 2019 · US
Preparatory process
Preparatory process · 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 | C08G73/0213 |
| Official title | {Preparatory process} |
| Display label | Preparatory process |
| Total patents | 116 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 15 |
| 2017 | 16 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 13 |
| 2021 | 8 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for removing mercury from hydrocarbons
US-10487272-B2 · Nov 26, 2019 · US
Apparatus for removing mercury from hydrocarbons
US-2019316043-A1 · Oct 17, 2019 · US
Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing adipate, 6-aminocaproate, hexamethylenediamine or caprolactam related thereto
US-2019300919-A1 · Oct 3, 2019 · US
Ethleneimine polymer and method for producing same
US-10370494-B2 · Aug 6, 2019 · US
Mercury removal from liquid hydrocarbons by 1,4-benzenediamine alkyldiamine cross-linked polymers
US-10364397-B2 · Jul 30, 2019 · US
Method for the preparation of polyamines from dinitriles and/or amino nitriles
US-2019218341-A1 · Jul 18, 2019 · US
Solid sorbent materials for acid-gas separation
US-10232344-B2 · Mar 19, 2019 · US
Dialkyl-polyalkylamine compositions, process for their preparation and their use
US-2019062500-A1 · Feb 28, 2019 · US
Process for preparing polyamines
US-10189946-B2 · Jan 29, 2019 · US
Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing adipate, 6-aminocaproate, hexamethylenediamine or caprolactam related thereto
US-10150976-B2 · Dec 11, 2018 · US
Hydrophobically modified polyamine scale inhibitors
US-10144663-B2 · Dec 4, 2018 · US
Mercury removal from liquid hydrocarbons by 1,4-benzenediamine alkyldiamine cross-linked polymers
US-2018298290-A1 · Oct 18, 2018 · US
Silane-Functionalized Polyalkyleneimine Clay Stabilizer for Treatment of Subterranean Formations
US-2018265635-A1 · Sep 20, 2018 · US
Synthesis of linear polyethyleneimine by living anionic polymerization
US-10011683-B2 · Jul 3, 2018 · US
Polymeric amine based carbon dioxide adsorbents
US-10010861-B2 · Jul 3, 2018 · US
Modified polycationic polymers
US-10010627-B2 · Jul 3, 2018 · US
Adsorbent Biprocessing Clarification Agents and Methods of Making and Using The Same
US-2018169610-A1 · Jun 21, 2018 · US
A polyolefin reactive telechelic pre-polymer
US-2018162998-A1 · Jun 14, 2018 · US
Process for cleaning soiled metal surfaces and substances useful for such process
US-2018119291-A1 · May 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G73/0213?
- CPC C08G73/0213 is the Cooperative Patent Classification code for “Preparatory process.”
- How many patents are filed under CPC C08G73/0213 (Preparatory process)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC C08G73/0213 growing?
- Publication counts under this code: 3 in 2024 vs 8 in 2025 (latest complete years).