C08J 2401/12
Cellulose acetate
C08J2401/12 (Cellulose acetate) appears on 13 US grants and 23 published applications in this corpus.
Search patents in C08J- Granted patents
- 13
- Published applications
- 23
- Assignees
- 20
- Inventors
- 74
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 5 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 5 |
By publication year.
Recent patents
- Reddening-resistant layer21 Jan 2025US 12,202,230 B2LG Chem.Ltd.
- Methods for preparing functional optical films12 Nov 2024US 12,138,875 B2Essilor International
- Light-blocking elements with color-masking compositions11 Jun 2024US 12,004,676 B1Eastman Kodak Company
- Methods for preparing functional optical films16 May 2023US 11,648,742 B2Essilor International
- Multifunctional optically highly transparent films and method for their production16 Aug 2022US 11,414,534 B2Island Polymer Industries GmbH
- Membrane separators18 Dec 2025US 2025/0382716 A1Uop LLC
- Lignocellulose- and cellulose-based bioproducts23 Oct 2025US 2025/0326932 A1North Carolina State University
- Biodegradable flattened particles, cosmetics composition and method for producing biodegradable flattened particles26 Jun 2025US 2025/0205122 A1Daicel Corporation
- Multi-layer wet-dry hardcoats including dual-sided wet hardcoats for flexible cover lens structures, and related methods and coating systems8 May 2025US 2025/0151219 A1APPLIED Materials.Inc.
- Methods for preparing functional optical films27 Feb 2025US 2025/0065583 A1Essilor International
Most cited
By later US patents
- Blended membranes for water vapor transport and methods for preparing same2US 10,139,116 B2CORE Energy Recovery Solutions Inc. · 2018
- Methods for preparing functional optical films2US 11,648,742 B2Essilor International · 2023
- Light-blocking elements with color-masking compositions1US 12,004,676 B1Eastman Kodak Company · 2024