B29K 2867/04
Polyesters derived from hydroxycarboxylic acids
B29K2867/04 (Polyesters derived from hydroxycarboxylic acids) appears on 9 US grants and 18 published applications in this corpus.
Search patents in B29K- Granted patents
- 9
- Published applications
- 18
- Assignees
- 13
- Inventors
- 33
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 5 |
| 2025 | 3 | 2 |
By publication year.
Subgroups
Granted patents
Recent patents
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material15 Jul 2025US 12,358,199 B2New WinCup Holdings, Inc.
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material11 Feb 2025US 12,220,852 B2New WinCup Holdings, Inc.
- Poly(3-hydroxybutyrate) resin tube and method for producing same11 Feb 2025US 12,221,538 B2Kaneka Corporation
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material7 May 2024US 11,974,683 B2New WinCup Holdings, Inc.
- Fabrication method of transparent 3D polydimethylsiloxane devices with polycaprolactone molds18 Apr 2023US 11,628,600 B2Saudi Arabian Oil Company
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material8 May 2025US 2025/0144866 A1New WinCup Holdings, Inc.
- Poly(3-hydroxybutyrate) resin tube and method for producing same27 Feb 2025US 2025/0066605 A1Kaneka Corporation
- Resin composition for molding and molded article5 Dec 2024US 2024/0400822 A1Kaneka Corporation
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material8 Aug 2024US 2024/0260773 A1New WinCup Holdings, Inc.
- Apparatus and methods for manufacturing biodegradable, compostable, drink straws from polyhydroxyalkanoate material25 Jul 2024US 2024/0245243 A1New WinCup Holdings, Inc.
Most cited
By later US patents
- Composition and method for making a cavitated bio-based film3US 9,267,011 B2Frito-Lay North America, Inc. · 2016
- Methods and systems for creating anatomical models2US 10,864,659 B12020
- Poly(3-hydroxybutyrate) resin tube and method for producing same2US 12,221,538 B2Kaneka Corporation · 2025
- Device for polymerising lactams in moulds1US 10,179,429 B2Fundacion Tecnalia Research & Innovation · 2019