Biodegradable and/or home compostable sachet containing a solid article
US11597191B2 · kind B2 · utility
2Cited by
230References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2020 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Oct 14, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W90/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sachet product that includes a biodegradable and/or home compostable sachet comprising a front film and a back film. In some examples, the front film and back film can include a middle layer that can contain paper with greater than 85% cellulose and an inner layer that can include different material, including but not limited to polyvinyl alcohol or polyhydroxylalkonate. The sachet can include a compartment adapted for storing a solid article where the solid article is an open cell foam. The open cell foam can include a water-soluble polymer and a surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.