B29K 2881/04
Polysulfides
Official title: Polysulfides, e.g. PPS, i.e. polyphenylene sulfide or derivatives thereof
B29K2881/04 (Polysulfides) appears on 6 US grants and 7 published applications in this corpus.
Search patents in B29K- Granted patents
- 6
- Published applications
- 7
- Assignees
- 6
- Inventors
- 14
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Flexible mold segment with sipe element having a projection for use in forming a tire23 Jun 2026US 12,661,858 B2Compagnie General Des Etablissements Michelin
- Metal/resin composite structure and method for manufacturing same27 Feb 2024US 11,911,974 B2DIC Corporation
- Consumable feedstock for 3D printing and method of use31 Aug 2021US 11,104,041 B2Stratasys, Inc.
- Induction sealing device and method of sealing a packaging material using said induction sealing device23 Jul 2019US 10,358,243 B2Tetra Laval Holdings & Finance S. A.
- Composite of metal and resin13 Feb 2018US 9,889,625 B2Hon Hai Precision Industry Co., Ltd.
- Flexible mold segment with sipe element having a projection for use in forming a tire22 Feb 2024US 2024/0059037 A1Compagnie Generale Des Etablissements Michelin
- Additive manufacturing method for making a three-dimensional object using selective laser sintering27 Aug 2020US 2020/0269497 A1
- Metal/resin composite structure and method for manufacturing same26 Dec 2019US 2019/0389146 A1DIC Corporation
- Consumable feedstock for 3d printing and method of use20 Sep 2018US 2018/0264688 A1Stratasys, Inc.
- Composite of metal and resin30 Mar 2017US 2017/0087800 A1Hon Hai Precision Industry Co., Ltd.
Most cited
By later US patents
- Induction sealing device and method of sealing a packaging material using said induction sealing device7US 10,358,243 B2Tetra Laval Holdings & Finance S. A. · 2019
- Consumable feedstock for 3D printing and method of use2US 11,104,041 B2Stratasys, Inc. · 2021
- Composite of metal and resin and method for manufacturing same1US 9,573,345 B2Hon Hai Precision Industry Co., Ltd. · 2017