Polypropylene sheets and articles
US11891488B2 · kind B2 · utility
4Cited by
452References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2020 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Feb 5, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/03
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A sheet of polymeric material is made using an extruding process and articles are formed from the sheet of polymeric material. The sheet of polymeric material and the articles comprise one or more polypropylene resins. In some embodiments, the sheet of polymeric material and the articles formed form the sheet of polymeric material are transparent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.