Polyester fibers
US4621020A · kind A · utility
9Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1985 |
| Grant date | Nov 4, 1986 |
| Priority date | — |
| Expiry date | Apr 12, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/298
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A papermaking polyester fiber having a denier number within the range of from about 0.1 to about 3.0 and a length within the range of from about 5 mm to about 25 mm and providing a packing factor of more than about 40 and a quantity of residual fibers of less than about 1000 mg on a flat screen plate when measured by a flat screen method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.