Molded products of polypropylene
US4283463A · kind A · utility
8Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1979 |
| Grant date | Aug 11, 1981 |
| Priority date | — |
| Expiry date | Dec 13, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31899
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A molded product of polypropylene having an isotactic pentad fraction of the boiling heptane insoluble portion of at least about 0.955 and a boiling heptane solubles content of about 2.0 to 9.0% by weight. The molded products include a stretched film, insulating materials for electrical equipment, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.