Thermoformable polypropylene-based sheet
US5310584A · kind A · utility
50Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1992 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Apr 14, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention provides a thermoformable sheet comprising a resinous polymer of propylene and an effective amount of a beta-spherulite nucleating agent, a process for making the sheet and articles thermoformed from the sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.