Method for producing polyphenylene ether amine
US-12110365-B2 · Oct 8, 2024 · US
containing hydrogen
containing hydrogen · 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 | C08G65/322 |
| Official title | containing hydrogen |
| Display label | containing hydrogen |
| Total patents | 37 |
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 | 3 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 8 |
| 2023 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Anisotropic copoly(imide oxetane) coatings and articles of manufacture, copoly(imide oxetane)s containing pendant fluorocarbon moieties, oligomers and processes therefor
US-11760738-B2 · Sep 19, 2023 · US
Method for producing polyphenylene ether amine
US-2023279181-A1 · Sep 7, 2023 · US
Method for purifying trityl group-containing monodispersed polyethylene glycol
US-11680137-B2 · Jun 20, 2023 · US
Etheramine mixture containing polyether diamines and method of making and using the same
US-11566107-B2 · Jan 31, 2023 · US
Ketals and Polyketals as Release Agents
US-2021355276-A1 · Nov 18, 2021 · US
Method for preparing functionalized polymers from polymer alcohols
US-2021347941-A1 · Nov 11, 2021 · US
Method for fabricating heterogeneous nickel-based catalyst on aluminum oxide support, heterogeneous nickel-based catalyst on aluminum oxide support and method for synthesizing polyetheramine
US-11141715-B2 · Oct 12, 2021 · US
Anisotropic copoly(imide oxetane) coatings and articles of manufacture, copoly(imide oxetane)s containing pendant fluorocarbon moieties, oligomers and processes therefor
US-11130742-B2 · Sep 28, 2021 · US
Co-preparation of polyetheramines and alklyene amines
US-11015015-B2 · May 25, 2021 · US
Methods for preparing functionalized polymers from polymer alcohols
US-10941248-B2 · Mar 9, 2021 · US
Etheramine mixture containing polyether diamines and method of making and using the same
US-2021017334-A1 · Jan 21, 2021 · US
Method for purifying trityl group-containing monodispersed polyethylene glycol
US-2021009756-A1 · Jan 14, 2021 · US
Crosslinkable fluorinated poly(arylene ether)
US-2020283574-A1 · Sep 10, 2020 · US
Anisotropic copoly(imide oxetane) coatings and articles of manufacture, copoly(imide oxetane)s containing pendant fluorocarbon moieties, oligomers and processes therefor
US-2020247770-A1 · Aug 6, 2020 · US
Method For Fabricating Heterogeneous Nickel-Based Catalyst On Aluminum Oxide Support, Heterogeneous Nickel-Based Catalyst On Aluminum Oxide Support And Method For Synthesizing Polyetheramine
US-2020139350-A1 · May 7, 2020 · US
Anisotropic copoly(imide oxetane) coatings and articles of manufacture, copoly (imide oxetane)s containing pendant fluorocarbon moieties, oligomers and processes therefor
US-10626098-B2 · Apr 21, 2020 · US
Method for producing perfluoropolyether acyl fluoride
US-10508171-B2 · Dec 17, 2019 · US
Polyetheramines with low melting point
US-10266649-B2 · Apr 23, 2019 · US
Methods for preparing functionalized polymers from polymer alcohols
US-2019055354-A1 · Feb 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/322?
- CPC C08G65/322 is the Cooperative Patent Classification code for “containing hydrogen.”
- How many patents are filed under CPC C08G65/322 (containing hydrogen)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/322 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2024 (latest complete years).