Molded articles from a fiber slurry
US11479919B2 · kind B2 · utility
2Cited by
118References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2019 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | Nov 1, 2039 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21J3/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Contoured articles formed in a mold from a fiber slurry are provided. The articles comprise a blend of cellulose fibers and cellulose ester, such as cellulose ester staple fibers. The articles are suitable in a wide array of end uses, including as cups, lids, boxes or pouches, storage containers, trays, plates, food trays, cutlery, coffee cups, coffee cup lid, packaging, bowls, clam shells, bottle caps, straws, covers, and packaging inserts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.