C08F 20/66
Anhydrides
C08F20/66 (Anhydrides) appears on 3 US grants and 3 published applications in this corpus.
Search patents in C08F- Granted patents
- 3
- Published applications
- 3
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 4 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Method for preparing superabsorbent polymer, and superabsorbent polymer4 Oct 2022US 11,459,430 B2LG Chem, Ltd.
- Method for producing super absorbent polymer and super absorbent polymer13 Oct 2020US 10,799,851 B2LG Chem.Ltd.
- Method for producing super absorbent polymer and super absorbent polymer18 Aug 2020US 10,744,483 B2LG Chem.Ltd.
- Dispersant composition for power storage device electrodes20 Feb 2025US 2025/0062356 A1Kao Corporation
- Method For Producing Super Absorbent Polymer And Super Absorbent Polymer9 May 2019US 2019/0134602 A1LG Chem.Ltd.
- A Method For Preparing Superabsorbent Polymer, And Superabsorbent Polymer14 Mar 2019US 2019/0077927 A1LG Chem.Ltd.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.