Polypropylene terephthalate twisted yarn and method for producing the same
US6399194B1 · kind B1 · utility
8Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2001 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | May 24, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2967
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention offers polypropylene terephthalate textured yarn which has little dyeing unevenness or fibrillation, and is outstanding in its product quality, by carrying out texturing at the same time as drawing under specified conditions using polypropylene undrawn yarn; together with a method for the production thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.