B29K 2229/04
Pvoh, i.e. polyvinyl alcohol
Official title: {PVOH, i.e. polyvinyl alcohol (B29K2231/04 takes precedence)}
B29K2229/04 (Pvoh, i.e. polyvinyl alcohol) appears on 6 US grants and 9 published applications in this corpus.
Search patents in B29K- Granted patents
- 6
- Published applications
- 9
- Assignees
- 5
- Inventors
- 23
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Process for manufacture of plasticized homopolymeric polyvinyl alcohol and plasticized polyvinyl alcohol polymer obtained therefrom18 Mar 2025US 12,252,607 B2Aquapak IP Limited
- Process and apparatus for manufacture of processable polyvinyl alcohol12 Nov 2024US 12,139,598 B2Aquapak IP Limited
- Process and apparatus for manufacture of processable polyvinyl alcohol30 Jan 2024US 11,884,807 B2Aquapak IP Limited
- Fiber reinforced polypropylene composite22 Oct 2019US 10,450,452 B2Borealis AG
- Separator for nonaqueous cell and nonaqueous cell29 Aug 2017US 9,748,543 B2Kuraray Co., Ltd.
- Biodegradable and barrier pvoh-based materials and products made therefrom23 Jul 2026US 2026/0209451 A1Solutum Technologies Ltd
- Process and Apparatus for Manufacture of Processable Polyvinyl Alcohol15 May 2025US 2025/0154350 A1Aquapak IP Limited
- Pre-shaped space fillers for small cross section features24 Apr 2025US 2025/0128453 A1
- Process For Manufacture of Plasticized Homopolymeric Polyvinyl Alcohol and Plasticized Polyvinyl Alcohol Polymer Obtained Therefrom2 Nov 2023US 2023/0348638 A1Aquapak Polymers Limited
- Process And Apparatus For Manufacture of Processable Polyvinyl Alcohol19 Oct 2023US 2023/0331876 A1Aquapak Polymers Limited
Most cited
By later US patents