Undrawn pre-oriented pet yarns with improved production efficiency
US5336709A · kind A · utility
6Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1992 |
| Grant date | Aug 9, 1994 |
| Priority date | — |
| Expiry date | Oct 1, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2927
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Undrawn preoriented polyester yarns containing 0.03 to 0.01% of fumed silica with a particle size of between 5 and 15 nm, exhibit a delay in crystallization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.