Radiation resistant polypropylene articles and method for preparing same
US5254378A · kind A · utility
27Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1992 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Apr 6, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Irradiated polypropylene articles of non-crystalline mesomorphous polypropylene and a method for preparing the articles are provided. The articles are irradiated with a sterilizing dosage of ionizing radiation. The irradiated articles such as films and blown microfiber webs are substantially undegraded after storage periods of as long as six months.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.