C08J 2400/21
Polyrotaxanes
Official title: Polyrotaxanes; Polycatenanes
C08J2400/21 (Polyrotaxanes) appears on 16 US grants and 21 published applications in this corpus.
Search patents in C08J- Granted patents
- 16
- Published applications
- 21
- Assignees
- 14
- Inventors
- 55
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 3 | 7 |
| 2017 | 3 | 0 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Polyrotaxane, polymer composition, crosslinked polymer composition, and production method therefor23 Dec 2025US 12,503,577 B2The University of Tokyo
- Fiber reinforced thermoplastic resin molded article and fiber reinforced thermoplastic resin molding material22 Nov 2022US 11,505,661 B2Toray Industries, Inc.
- Epoxy resin composition, resin cured product, fiber-reinforced composite material, and prepreg10 Nov 2020US 10,829,603 B2Toray Industries, Inc.
- Resin composition and film using same29 Sep 2020US 10,791,624 B2Panasonic Intellectual Property Management Co., Ltd.
- Resin composition and molded article thereof21 Apr 2020US 10,626,273 B2Toray Industries, Inc.
- Improvement of vitrimer by polyrotaxane addition14 May 2026US 2026/0132244 A1The University of Tokyo
- Supramolecule-based topological network enabled highly stretchable, conducting, and photo-patternable pedot:pss19 Sep 2024US 2024/0309201 A1The Board of Trustees of the Leland Stanford Junior University
- Thermoplastic polymer composition comprising polyrotaxane8 Jun 2023US 2023/0174767 A1The Texas A&M University System
- Polyrotaxane, polymer composition, crosslinked polymer composition, and production method therefor20 Apr 2023US 2023/0123626 A1The University of Tokyo
- Polyrotaxane composition and sensor3 Feb 2022US 2022/0033590 A1Asm Inc.
Most cited
By later US patents
- Electrically conductive film13US 9,468,092 B2Panasonic Intellectual Property Management Co., Ltd. · 2016
- Polymer film, flexible light emitting element display device, and rollable display device7US 9,349,778 B2LG Chem.Ltd. · 2016
- Poly-rotaxane compound, photocurable coating composition, and coating film7US 9,884,969 B2LG Chem.Ltd. · 2018
- Hard coating film and preparation method thereof6US 9,778,398 B2LG Chem.Ltd. · 2017
- Resin composition and film using same5US 10,009,994 B2Panasonic Intellectual Property Management Co., Ltd. · 2018