C08J 2361/18
Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen
Official title: Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only
C08J2361/18 (Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen) appears on 12 US grants and 23 published applications in this corpus.
Search patents in C08J- Granted patents
- 12
- Published applications
- 23
- Assignees
- 19
- Inventors
- 64
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 3 | 5 |
| 2024 | 2 | 3 |
| 2025 | 1 | 3 |
| 2026 | 2 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Polymers for use as anion exchange membranes5 May 2026US 12,617,889 B1Envision Energy USA Ltd.
- Composite ion exchange membrane and method of making same28 Apr 2026US 12,612,496 B2
- Method for impregnating reinforcing fibres with polyaryletherketones and semi-products obtained therefrom12 Aug 2025US 12,384,894 B2Arkema France
- Quaternized polyaromatics for use in electrochemical devices2 Jul 2024US 12,024,576 B2Orion Polymer Corp.
- Composite ion exchange membrane and method of making same21 May 2024US 11,987,680 B2
- Proton exchange membrane material and methods of making the same30 Jul 2026US 2026/0221480 A1Rensselaer Polytechnic Institute
- Prepreg, preform, and fiber-reinforced resin molded article25 Jun 2026US 2026/0176433 A1Toray Industries, Inc.
- Poly(aryl piperidinium) copolymer ionomer grafted with propargyl group, cross-linked anion-exchange membrane, and method for preparing same11 Jun 2026US 2026/0159628 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Fluorinated polyaromatics with linear, branched or crosslinked structure for anion exchange membranes and ionomers28 May 2026US 2026/0146110 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Nitrogen-containing branched polymer, anion exchange membrane, and method for preparing anion exchange resin12 Mar 2026US 2026/0070048 A1EVE Hydrogen Energy Co., LTD.
Most cited
By later US patents
- Poly(aryl piperidinium) polymers for use as hydroxide exchange membranes and ionomers15US 10,290,890 B2Universty of Delaware · 2019
- Proton exchange membrane material and methods of making the same7US 11,621,433 B2Rensselaer Polytechnic Institute · 2023
- Phenol-formaldehyde polymer with carbon nanotubes, a method of producing same, and products derived therefrom2US 8,816,007 B2FPInnovations · 2014
- Composite ion exchange membrane and method of making same1US 11,286,357 B22022
- Composite ion exchange membrane and method of making same1US 11,674,009 B2Ffi Ionix IP, Inc. · 2023