C08G 2261/1336
Ladder-type
Official title: Ladder-type, e.g. ladder-poly-p-phenylenes
C08G2261/1336 (Ladder-type) appears on 11 US grants and 15 published applications in this corpus.
Search patents in C08G- Granted patents
- 11
- Published applications
- 15
- Assignees
- 8
- Inventors
- 32
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 5 |
| 2018 | 5 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- High-performance ladder polymers for membrane gas separation12 Aug 2025US 12,384,875 B2Massachusetts Institute of Technology
- Ladder tetrazine polymers11 May 2021US 11,005,045 B2International Business Machines Corporation
- Ladder tetrazine polymers17 Mar 2020US 10,593,882 B2International Business Machines Corporation
- Ladder polybenzodifurans8 Oct 2019US 10,435,505 B2International Business Machines Corporation
- Organic semiconductor polymer30 Apr 2019US 10,273,329 B2
- Ladder polymers and improved methods of making the same28 May 2026US 2026/0146125 A1Osmoses Inc.
- Organic polymer cathode for secondary magnesium and synthesis method thereof27 Mar 2025US 2025/0105294 A1The Trustees of Columbia University in the City of New York
- High-performance ladder polymers for membrane gas separation29 Dec 2022US 2022/0411574 A1Board of Trustees of the Leland Stanford Junior University (A/K/A Stanford University)
- Ladder tetrazine polymers23 Jan 2020US 2020/0028087 A1International Business Machines Corporation
- Ladder tetrazine polymers7 Jun 2018US 2018/0159042 A1International Business Machines Corporation
Most cited
By later US patents